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  • Rats  (3,065)
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  • American Association for the Advancement of Science (AAAS)  (4,281)
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  • American Association for the Advancement of Science (AAAS)  (4,281)
  • Nature Publishing Group (NPG)  (637)
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  • American Institute of Physics (AIP)
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  • 1
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    The final countdown (2016)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2016-01-20
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Underwood, Emily -- New York, N.Y. -- Science. 2015 Dec 4;350(6265):1188-90. doi: 10.1126/science.350.6265.1188.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26785475" target="_blank"〉PubMed〈/a〉
    Keywords: Aging/blood/genetics/*physiology ; Animals ; Biological Clocks/genetics/*physiology ; Biomarkers/blood/metabolism ; DNA/genetics ; DNA Methylation ; Epigenesis, Genetic ; Humans ; Mice ; Rats ; Telomere Homeostasis
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 2
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    REGENERATIVE MEDICINE. California stem cell agency plots a race to the clinic (2016)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2016-01-02
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Servick, Kelly -- New York, N.Y. -- Science. 2016 Jan 1;351(6268):15. doi: 10.1126/science.351.6268.15.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26721984" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; California ; Cell Differentiation ; Clinical Trials as Topic ; Drug Industry ; Embryonic Stem Cells/cytology/*transplantation ; Financing, Organized ; Humans ; Photoreceptor Cells/physiology ; Rats ; Regenerative Medicine/*economics/*trends ; Retina/cytology/physiology ; Stem Cell Research/*economics
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 3
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    Sequential ionic and conformational signaling by calcium channels drives neuronal gene expression (2016)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2016-02-26
    Description: Voltage-gated CaV1.2 channels (L-type calcium channel alpha1C subunits) are critical mediators of transcription-dependent neural plasticity. Whether these channels signal via the influx of calcium ion (Ca(2+)), voltage-dependent conformational change (VDeltaC), or a combination of the two has thus far been equivocal. We fused CaV1.2 to a ligand-gated Ca(2+)-permeable channel, enabling independent control of localized Ca(2+) and VDeltaC signals. This revealed an unexpected dual requirement: Ca(2+) must first mobilize actin-bound Ca(2+)/calmodulin-dependent protein kinase II, freeing it for subsequent VDeltaC-mediated accumulation. Neither signal alone sufficed to activate transcription. Signal order was crucial: Efficiency peaked when Ca(2+) preceded VDeltaC by 10 to 20 seconds. CaV1.2 VDeltaC synergistically augmented signaling by N-methyl-d-aspartate receptors. Furthermore, VDeltaC mistuning correlated with autistic symptoms in Timothy syndrome. Thus, nonionic VDeltaC signaling is vital to the function of CaV1.2 in synaptic and neuropsychiatric processes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Li, Boxing -- Tadross, Michael R -- Tsien, Richard W -- New York, N.Y. -- Science. 2016 Feb 19;351(6275):863-7. doi: 10.1126/science.aad3647.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Neuroscience and Physiology and New York University Neuroscience Institute, New York, NY 10016, USA. ; Department of Molecular and Cellular Physiology, Beckman Center, School of Medicine, Stanford University, Stanford, CA 94305, USA. Janelia Research Campus, Howard Hughes Medical Institute, Ashburn, VA 20147, USA. tadrossm@janelia.hhmi.org. ; Department of Neuroscience and Physiology and New York University Neuroscience Institute, New York, NY 10016, USA. Department of Molecular and Cellular Physiology, Beckman Center, School of Medicine, Stanford University, Stanford, CA 94305, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26912895" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Autistic Disorder/genetics/metabolism ; Calcium Channel Blockers/pharmacology ; Calcium Channels, L-Type/chemistry/*metabolism ; *Calcium Signaling ; Calcium-Calmodulin-Dependent Protein Kinase Type 2/*metabolism ; Cells, Cultured ; Cyclic AMP Response Element-Binding Protein/metabolism ; *Gene Expression Regulation ; HEK293 Cells ; Hippocampus/cytology ; Humans ; Long QT Syndrome/genetics/metabolism ; Neuronal Plasticity/*genetics ; Neurons/drug effects/*metabolism ; Nimodipine/pharmacology ; Protein Conformation/drug effects ; Rats ; Rats, Sprague-Dawley ; Receptors, N-Methyl-D-Aspartate/metabolism ; Synapses/metabolism ; Syndactyly/genetics/metabolism
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 4
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    Prefrontal cortical regulation of brainwide circuit dynamics and reward-related behavior (2016)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2016-01-02
    Description: Motivation for reward drives adaptive behaviors, whereas impairment of reward perception and experience (anhedonia) can contribute to psychiatric diseases, including depression and schizophrenia. We sought to test the hypothesis that the medial prefrontal cortex (mPFC) controls interactions among specific subcortical regions that govern hedonic responses. By using optogenetic functional magnetic resonance imaging to locally manipulate but globally visualize neural activity in rats, we found that dopamine neuron stimulation drives striatal activity, whereas locally increased mPFC excitability reduces this striatal response and inhibits the behavioral drive for dopaminergic stimulation. This chronic mPFC overactivity also stably suppresses natural reward-motivated behaviors and induces specific new brainwide functional interactions, which predict the degree of anhedonia in individuals. These findings describe a mechanism by which mPFC modulates expression of reward-seeking behavior, by regulating the dynamical interactions between specific distant subcortical regions.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4772156/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4772156/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ferenczi, Emily A -- Zalocusky, Kelly A -- Liston, Conor -- Grosenick, Logan -- Warden, Melissa R -- Amatya, Debha -- Katovich, Kiefer -- Mehta, Hershel -- Patenaude, Brian -- Ramakrishnan, Charu -- Kalanithi, Paul -- Etkin, Amit -- Knutson, Brian -- Glover, Gary H -- Deisseroth, Karl -- 1F31MH105151_01/MH/NIMH NIH HHS/ -- P41 EB015891/EB/NIBIB NIH HHS/ -- R00 MH097822/MH/NIMH NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2016 Jan 1;351(6268):aac9698. doi: 10.1126/science.aac9698.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Bioengineering, Stanford University, Stanford, CA 94305, USA. Neurosciences Program, Stanford University, Stanford, CA 94305, USA. ; Brain Mind Research Institute, Weill Cornell Medical College, New York, NY 10065, USA. ; Department of Neurobiology and Behavior, Cornell University, Ithaca, NY 14853, USA. ; Department of Bioengineering, Stanford University, Stanford, CA 94305, USA. ; Department of Psychology, Stanford University, Stanford, CA 94305, USA. ; Department of Psychiatry and Behavioral Sciences, Stanford University, Stanford, CA 94305, USA. ; Department of Neurosurgery, Stanford University, Stanford, CA 94305, USA. ; Department of Radiology, Stanford University, Stanford, CA, 94305, USA. ; Department of Bioengineering, Stanford University, Stanford, CA 94305, USA. Department of Neurobiology and Behavior, Cornell University, Ithaca, NY 14853, USA. Howard Hughes Medical Institute, Stanford University, Stanford, CA, 94305, USA. deissero@stanford.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26722001" target="_blank"〉PubMed〈/a〉
    Keywords: Anhedonia/*physiology ; Animals ; Brain Mapping ; Corpus Striatum/cytology/drug effects/*physiology ; Depressive Disorder/physiopathology ; Dopamine/pharmacology ; Dopaminergic Neurons/drug effects/*physiology ; Female ; Magnetic Resonance Imaging ; Male ; Mesencephalon/cytology/drug effects/physiology ; *Motivation ; Nerve Net/physiology ; Oxygen/blood ; Prefrontal Cortex/cytology/drug effects/*physiology ; Rats ; Rats, Inbred LEC ; Rats, Sprague-Dawley ; *Reward ; Schizophrenia/physiopathology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 5
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    Unconventional endocannabinoid signaling governs sperm activation via the sex hormone progesterone (2016)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2016-03-19
    Description: Steroids regulate cell proliferation, tissue development, and cell signaling via two pathways: a nuclear receptor mechanism and genome-independent signaling. Sperm activation, egg maturation, and steroid-induced anesthesia are executed via the latter pathway, the key components of which remain unknown. Here, we present characterization of the human sperm progesterone receptor that is conveyed by the orphan enzyme alpha/beta hydrolase domain-containing protein 2 (ABHD2). We show that ABHD2 is highly expressed in spermatozoa, binds progesterone, and acts as a progesterone-dependent lipid hydrolase by depleting the endocannabinoid 2-arachidonoylglycerol (2AG) from plasma membrane. The 2AG inhibits the sperm calcium channel (CatSper), and its removal leads to calcium influx via CatSper and ensures sperm activation. This study reveals that progesterone-activated endocannabinoid depletion by ABHD2 is a general mechanism by which progesterone exerts its genome-independent action and primes sperm for fertilization.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Miller, Melissa R -- Mannowetz, Nadja -- Iavarone, Anthony T -- Safavi, Rojin -- Gracheva, Elena O -- Smith, James F -- Hill, Rose Z -- Bautista, Diana M -- Kirichok, Yuriy -- Lishko, Polina V -- 1S10OD020062-01/OD/NIH HHS/ -- R01 AR059385/AR/NIAMS NIH HHS/ -- R01AR059385/AR/NIAMS NIH HHS/ -- R01GM111802/GM/NIGMS NIH HHS/ -- R01HD068914/HD/NICHD NIH HHS/ -- R21HD081403/HD/NICHD NIH HHS/ -- S10RR025622/RR/NCRR NIH HHS/ -- New York, N.Y. -- Science. 2016 Apr 29;352(6285):555-9. doi: 10.1126/science.aad6887. Epub 2016 Mar 17.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular and Cell Biology, University of California, Berkeley, CA 94720, USA. ; QB3/Chemistry Mass Spectrometry Facility, University of California, Berkeley, CA 94720, USA. ; Department of Cellular and Molecular Physiology; Department of Neuroscience, Program in Cellular Neuroscience, Neurodegeneration, and Repair (CNNR), Yale School of Medicine, Yale University, New Haven, CT 06536, USA. ; Department of Urology, University of California, San Francisco, CA 94143, USA. ; Department of Physiology, University of California, San Francisco, CA 94158, USA. ; Department of Molecular and Cell Biology, University of California, Berkeley, CA 94720, USA. lishko@berkeley.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26989199" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Animals ; Arachidonic Acids/*deficiency ; Calcium/metabolism ; Calcium Channels/metabolism ; Calcium Signaling ; Cell Membrane/metabolism ; Endocannabinoids/*deficiency ; Fertilization ; Glycerides/*deficiency ; Humans ; Hydrolases/genetics/*metabolism ; Male ; Mice ; Mice, Inbred C57BL ; Progesterone/*metabolism/pharmacology ; Rats ; Rats, Wistar ; Receptors, Progesterone/genetics/*metabolism ; Sperm Motility/drug effects/*physiology ; Spermatozoa/drug effects/metabolism/*physiology ; Young Adult
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 6
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    Diversity in neural firing dynamics supports both rigid and learned hippocampal sequences (2016)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2016-03-26
    Description: Cell assembly sequences during learning are "replayed" during hippocampal ripples and contribute to the consolidation of episodic memories. However, neuronal sequences may also reflect preexisting dynamics. We report that sequences of place-cell firing in a novel environment are formed from a combination of the contributions of a rigid, predominantly fast-firing subset of pyramidal neurons with low spatial specificity and limited change across sleep-experience-sleep and a slow-firing plastic subset. Slow-firing cells, rather than fast-firing cells, gained high place specificity during exploration, elevated their association with ripples, and showed increased bursting and temporal coactivation during postexperience sleep. Thus, slow- and fast-firing neurons, although forming a continuous distribution, have different coding and plastic properties.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Grosmark, Andres D -- Buzsaki, Gyorgy -- MH102840/MH/NIMH NIH HHS/ -- MH54671/MH/NIMH NIH HHS/ -- NS075015/NS/NINDS NIH HHS/ -- R01 MH107396/MH/NIMH NIH HHS/ -- New York, N.Y. -- Science. 2016 Mar 25;351(6280):1440-3. doi: 10.1126/science.aad1935.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Neuroscience, Columbia University Medical Center, New York, NY 10019, USA. The Neuroscience Institute, School of Medicine, New York University, New York, NY 10016, USA. ; The Neuroscience Institute, School of Medicine, New York University, New York, NY 10016, USA. Center for Neural Science, New York University, New York, NY 10016, USA. gyorgy.buzsaki@nyumc.org.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/27013730" target="_blank"〉PubMed〈/a〉
    Keywords: Action Potentials ; Animals ; Hippocampus/cytology/*physiopathology ; Learning/*physiology ; Male ; Maze Learning ; Neuronal Plasticity ; Pyramidal Cells/*physiology ; Rats ; Rats, Inbred LEC ; Sleep/physiology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 7
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    Response to Comment on "Global assessment of arbuscular mycorrhizal fungus diversity reveals very low endemism" (2016)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2016-02-26
    Description: Bruns and Taylor argue that our finding of widespread distribution among Glomeromycota "virtual taxa" is undermined by the species definition applied. Although identifying appropriate species concepts and accessing taxonomically informative traits are challenges for microorganism biogeography, the virtual taxa represent a pragmatic classification that corresponds approximately to the species rank of classical Glomeromycota taxonomy, yet is applicable to environmental DNA.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Opik, Maarja -- Davison, John -- Moora, Mari -- Partel, Meelis -- Zobel, Martin -- New York, N.Y. -- Science. 2016 Feb 19;351(6275):826. doi: 10.1126/science.aad5495.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Botany, University of Tartu, 40 Lai Street, 51005 Tartu, Estonia. maarja.opik@ut.ee. ; Department of Botany, University of Tartu, 40 Lai Street, 51005 Tartu, Estonia.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26912890" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Ecosystem ; Humans ; *Mycorrhizae ; Plant Roots/*microbiology ; *Symbiosis
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 8
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    C9orf72 is required for proper macrophage and microglial function in mice (2016)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2016-03-19
    Description: Expansions of a hexanucleotide repeat (GGGGCC) in the noncoding region of the C9orf72 gene are the most common genetic cause of amyotrophic lateral sclerosis (ALS) and frontotemporal dementia. Decreased expression of C9orf72 is seen in expansion carriers, suggesting that loss of function may play a role in disease. We found that two independent mouse lines lacking the C9orf72 ortholog (3110043O21Rik) in all tissues developed normally and aged without motor neuron disease. Instead, C9orf72 null mice developed progressive splenomegaly and lymphadenopathy with accumulation of engorged macrophage-like cells. C9orf72 expression was highest in myeloid cells, and the loss of C9orf72 led to lysosomal accumulation and altered immune responses in macrophages and microglia, with age-related neuroinflammation similar to C9orf72 ALS but not sporadic ALS human patient tissue. Thus, C9orf72 is required for the normal function of myeloid cells, and altered microglial function may contribute to neurodegeneration in C9orf72 expansion carriers.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉O'Rourke, J G -- Bogdanik, L -- Yanez, A -- Lall, D -- Wolf, A J -- Muhammad, A K M G -- Ho, R -- Carmona, S -- Vit, J P -- Zarrow, J -- Kim, K J -- Bell, S -- Harms, M B -- Miller, T M -- Dangler, C A -- Underhill, D M -- Goodridge, H S -- Lutz, C M -- Baloh, R H -- GM085796/GM/NIGMS NIH HHS/ -- NS069669/NS/NINDS NIH HHS/ -- NS078398/NS/NINDS NIH HHS/ -- NS087351/NS/NINDS NIH HHS/ -- UL1TR000124/TR/NCATS NIH HHS/ -- New York, N.Y. -- Science. 2016 Mar 18;351(6279):1324-9. doi: 10.1126/science.aaf1064.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Board of Governors Regenerative Medicine Institute, Cedars-Sinai Medical Center, 8700 Beverly Boulevard, Los Angeles, CA 90048, USA. ; The Jackson Laboratory, Bar Harbor, ME, USA. ; Division of Biomedical Sciences, Cedars-Sinai Medical Center, 8700 Beverly Boulevard, Los Angeles, CA 90048, USA. ; Department of Neurology, Washington University School of Medicine, 660 South Euclid Avenue, St. Louis, MO 63110, USA. ; Board of Governors Regenerative Medicine Institute, Cedars-Sinai Medical Center, 8700 Beverly Boulevard, Los Angeles, CA 90048, USA. Department of Neurology, Cedars-Sinai Medical Center, 8700 Beverly Boulevard, Los Angeles, CA 90048, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26989253" target="_blank"〉PubMed〈/a〉
    Keywords: Aging/immunology ; Amyotrophic Lateral Sclerosis/genetics/*immunology ; Animals ; Frontotemporal Dementia/genetics/*immunology ; Gene Knockdown Techniques ; Guanine Nucleotide Exchange Factors/genetics/*physiology ; Heterozygote ; Humans ; Lymphatic Diseases/genetics/immunology ; Macrophages/*immunology ; Mice ; Mice, Knockout ; Microglia/*immunology ; Myeloid Cells/*immunology ; Proteins/genetics/*physiology ; Rats ; Splenomegaly/genetics/immunology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 9
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    CLK2 inhibition ameliorates autistic features associated with SHANK3 deficiency (2016)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2016-02-06
    Description: SH3 and multiple ankyrin repeat domains 3 (SHANK3) haploinsufficiency is causative for the neurological features of Phelan-McDermid syndrome (PMDS), including a high risk of autism spectrum disorder (ASD). We used unbiased, quantitative proteomics to identify changes in the phosphoproteome of Shank3-deficient neurons. Down-regulation of protein kinase B (PKB/Akt)-mammalian target of rapamycin complex 1 (mTORC1) signaling resulted from enhanced phosphorylation and activation of serine/threonine protein phosphatase 2A (PP2A) regulatory subunit, B56beta, due to increased steady-state levels of its kinase, Cdc2-like kinase 2 (CLK2). Pharmacological and genetic activation of Akt or inhibition of CLK2 relieved synaptic deficits in Shank3-deficient and PMDS patient-derived neurons. CLK2 inhibition also restored normal sociability in a Shank3-deficient mouse model. Our study thereby provides a novel mechanistic and potentially therapeutic understanding of deregulated signaling downstream of Shank3 deficiency.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bidinosti, Michael -- Botta, Paolo -- Kruttner, Sebastian -- Proenca, Catia C -- Stoehr, Natacha -- Bernhard, Mario -- Fruh, Isabelle -- Mueller, Matthias -- Bonenfant, Debora -- Voshol, Hans -- Carbone, Walter -- Neal, Sarah J -- McTighe, Stephanie M -- Roma, Guglielmo -- Dolmetsch, Ricardo E -- Porter, Jeffrey A -- Caroni, Pico -- Bouwmeester, Tewis -- Luthi, Andreas -- Galimberti, Ivan -- New York, N.Y. -- Science. 2016 Mar 11;351(6278):1199-203. doi: 10.1126/science.aad5487. Epub 2016 Feb 4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Developmental Molecular Pathways, Novartis Institutes for Biomedical Research, Basel, Switzerland. ; Friedrich Miescher Institute, Basel, Switzerland. ; Analytical Sciences and Imaging, Novartis Institutes for Biomedical Research, Basel, Switzerland. ; Neuroscience, Novartis Institutes for Biomedical Research, Cambridge, USA. ; Developmental Molecular Pathways, Novartis Institutes for Biomedical Research, Basel, Switzerland. ivan.galimberti@novartis.com.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26847545" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Autism Spectrum Disorder/*drug therapy/enzymology/genetics ; Chromosome Deletion ; Chromosome Disorders/genetics ; Chromosomes, Human, Pair 22/genetics ; Disease Models, Animal ; Down-Regulation ; Gene Knockdown Techniques ; Humans ; Insulin-Like Growth Factor I/metabolism ; Mice ; Molecular Sequence Data ; Multiprotein Complexes/metabolism ; Nerve Tissue Proteins/*genetics ; Neurons/enzymology ; Phosphorylation ; Protein Phosphatase 2/metabolism ; Protein-Serine-Threonine Kinases/*antagonists & inhibitors/metabolism ; Protein-Tyrosine Kinases/*antagonists & inhibitors/metabolism ; Proteomics ; Proto-Oncogene Proteins c-akt/genetics/metabolism ; Rats ; Signal Transduction ; TOR Serine-Threonine Kinases/metabolism
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 10
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    Detyrosinated microtubules buckle and bear load in contracting cardiomyocytes (2016)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2016-04-23
    Description: The microtubule (MT) cytoskeleton can transmit mechanical signals and resist compression in contracting cardiomyocytes. How MTs perform these roles remains unclear because of difficulties in observing MTs during the rapid contractile cycle. Here, we used high spatial and temporal resolution imaging to characterize MT behavior in beating mouse myocytes. MTs deformed under contractile load into sinusoidal buckles, a behavior dependent on posttranslational "detyrosination" of alpha-tubulin. Detyrosinated MTs associated with desmin at force-generating sarcomeres. When detyrosination was reduced, MTs uncoupled from sarcomeres and buckled less during contraction, which allowed sarcomeres to shorten and stretch with less resistance. Conversely, increased detyrosination promoted MT buckling, stiffened the myocyte, and correlated with impaired function in cardiomyopathy. Thus, detyrosinated MTs represent tunable, compression-resistant elements that may impair cardiac function in disease.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Robison, Patrick -- Caporizzo, Matthew A -- Ahmadzadeh, Hossein -- Bogush, Alexey I -- Chen, Christina Yingxian -- Margulies, Kenneth B -- Shenoy, Vivek B -- Prosser, Benjamin L -- HL089847/HL/NHLBI NIH HHS/ -- HL105993/HL/NHLBI NIH HHS/ -- R00-HL114879/HL/NHLBI NIH HHS/ -- R01EB017753/EB/NIBIB NIH HHS/ -- T32AR053461-09/AR/NIAMS NIH HHS/ -- T32HL007954/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 2016 Apr 22;352(6284):aaf0659. doi: 10.1126/science.aaf0659.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Physiology, Pennsylvania Muscle Institute, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA 19104, USA. ; Department of Materials Science and Engineering, University of Pennsylvania School of Engineering and Applied Science, Philadelphia, PA 19104, USA. ; Department of Medicine, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA 19104, USA. ; Department of Physiology, Pennsylvania Muscle Institute, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA 19104, USA. bpros@mail.med.upenn.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/27102488" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Desmin/metabolism ; Elasticity ; Heart Failure/metabolism/physiopathology ; Humans ; Male ; Mice ; Microtubules/*metabolism ; Models, Biological ; *Myocardial Contraction ; Myocytes, Cardiac/metabolism/*physiology ; Peptide Synthases/genetics/metabolism ; *Protein Processing, Post-Translational ; RNA, Small Interfering/genetics ; Rats ; Rats, Sprague-Dawley ; Sarcomeres/metabolism ; Tubulin/*metabolism ; Tyrosine/*metabolism
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Comment on "Global assessment of arbuscular mycorrhizal fungus diversity reveals very low endemism" (2016)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2016-02-26
    Description: Davison et al. (Reports, 28 August 2015, p. 970) claim that virtual taxa of Glomeromycota show little endemism and that endemism that exists is similar to the levels seen in plant families. We show that this is likely due to the conservative species definition rather than to any ecological pattern.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bruns, Thomas D -- Taylor, John W -- New York, N.Y. -- Science. 2016 Feb 19;351(6275):826. doi: 10.1126/science.aad4228.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Plant and Microbial Biology, 111 Koshland Hall, Berkeley, CA 94720-3102, USA. pogon@berkeley.edu. ; Department of Plant and Microbial Biology, 111 Koshland Hall, Berkeley, CA 94720-3102, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26912889" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Ecosystem ; Humans ; *Mycorrhizae ; Plant Roots/*microbiology ; *Symbiosis
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Ecology: Vegetation's responses to climate variability (2016)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2016-02-18
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Huete, Alfredo -- England -- Nature. 2016 Mar 10;531(7593):181-2. doi: 10.1038/nature17301. Epub 2016 Feb 17.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Plant Functional Biology and Climate Change Cluster, University of Technology Sydney, Ultimo, New South Wales 2007, Australia.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26886792" target="_blank"〉PubMed〈/a〉
    Keywords: *Acclimatization ; *Climate Change ; *Ecosystem ; *Geographic Mapping ; *Plant Physiological Phenomena
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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    Ocean science: The rise of Rhizaria (2016)
    Nature Publishing Group (NPG)
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    Publication Date: 2016-04-21
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Caron, David A -- England -- Nature. 2016 Apr 28;532(7600):444-5. doi: 10.1038/nature17892. Epub 2016 Apr 20.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biological Sciences, University of Southern California, Los Angeles, California 90089-0371, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/27096370" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Aquatic Organisms/*metabolism ; *Biomass ; *Biota ; Carbon/*metabolism ; *Ecosystem ; *Oceans and Seas ; Plankton/*metabolism ; Rhizaria/*isolation & purification ; Seawater/*chemistry ; Zooplankton/*isolation & purification
    Print ISSN: 0028-0836
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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    Bioresorbable silicon electronic sensors for the brain (2016)
    Nature Publishing Group (NPG)
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    Publication Date: 2016-01-19
    Description: Many procedures in modern clinical medicine rely on the use of electronic implants in treating conditions that range from acute coronary events to traumatic injury. However, standard permanent electronic hardware acts as a nidus for infection: bacteria form biofilms along percutaneous wires, or seed haematogenously, with the potential to migrate within the body and to provoke immune-mediated pathological tissue reactions. The associated surgical retrieval procedures, meanwhile, subject patients to the distress associated with re-operation and expose them to additional complications. Here, we report materials, device architectures, integration strategies, and in vivo demonstrations in rats of implantable, multifunctional silicon sensors for the brain, for which all of the constituent materials naturally resorb via hydrolysis and/or metabolic action, eliminating the need for extraction. Continuous monitoring of intracranial pressure and temperature illustrates functionality essential to the treatment of traumatic brain injury; the measurement performance of our resorbable devices compares favourably with that of non-resorbable clinical standards. In our experiments, insulated percutaneous wires connect to an externally mounted, miniaturized wireless potentiostat for data transmission. In a separate set-up, we connect a sensor to an implanted (but only partially resorbable) data-communication system, proving the principle that there is no need for any percutaneous wiring. The devices can be adapted to sense fluid flow, motion, pH or thermal characteristics, in formats that are compatible with the body's abdomen and extremities, as well as the deep brain, suggesting that the sensors might meet many needs in clinical medicine.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kang, Seung-Kyun -- Murphy, Rory K J -- Hwang, Suk-Won -- Lee, Seung Min -- Harburg, Daniel V -- Krueger, Neil A -- Shin, Jiho -- Gamble, Paul -- Cheng, Huanyu -- Yu, Sooyoun -- Liu, Zhuangjian -- McCall, Jordan G -- Stephen, Manu -- Ying, Hanze -- Kim, Jeonghyun -- Park, Gayoung -- Webb, R Chad -- Lee, Chi Hwan -- Chung, Sangjin -- Wie, Dae Seung -- Gujar, Amit D -- Vemulapalli, Bharat -- Kim, Albert H -- Lee, Kyung-Mi -- Cheng, Jianjun -- Huang, Younggang -- Lee, Sang Hoon -- Braun, Paul V -- Ray, Wilson Z -- Rogers, John A -- F31MH101956/MH/NIMH NIH HHS/ -- Howard Hughes Medical Institute/ -- England -- Nature. 2016 Feb 4;530(7588):71-6. doi: 10.1038/nature16492. Epub 2016 Jan 18.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Materials Science and Engineering, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, USA. ; Frederick Seitz Materials Research Laboratory, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, USA. ; Department of Neurological Surgery, Washington University School of Medicine, St Louis, Missouri 63110, USA. ; KU-KIST Graduate School of Converging Science and Technology, Korea University, Seoul 136-701, Republic of Korea. ; Department of Chemical and Biomolecular Engineering, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, USA. ; Department of Engineering Science and Mechanics, Materials Research Institute, The Pennsylvania State University, University Park, Pennsylvania 16802, USA. ; Institute of High Performance Computing, Singapore 138632, Singapore. ; Department of Anesthesiology, Washington University School of Medicine, St Louis, Missouri 63110, USA. ; Department of Biomicrosystem Technology, Korea University, Seoul 136-701, South Korea. ; Department of Biochemistry and Molecular Biology, Korea University College of Medicine, Seoul 136-713, South Korea. ; Weldon School of Biomedical Engineering, School of Mechanical Engineering, The Center for Implantable Devices, Birck Nanotechnology Center, Purdue University, West Lafayette, Indiana 47907, USA. ; School of Mechanical Engineering, Purdue University, West Lafayette, Indiana 47907, USA. ; Department of Mechanical Engineering, Civil and Environmental Engineering, Materials Science and Engineering, and Skin Disease Research Center, Northwestern University, Evanston, Illinois 60208, USA. ; Department of Biomedical Engineering, College of Health Science, Korea University, Seoul 136-703, South Korea. ; Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26779949" target="_blank"〉PubMed〈/a〉
    Keywords: *Absorbable Implants/adverse effects ; Administration, Cutaneous ; Animals ; Body Temperature ; Brain/*metabolism/surgery ; Electronics/*instrumentation ; Equipment Design ; Hydrolysis ; Male ; Monitoring, Physiologic/adverse effects/*instrumentation ; Organ Specificity ; Pressure ; *Prostheses and Implants/adverse effects ; Rats ; Rats, Inbred Lew ; *Silicon ; Telemetry/instrumentation ; Wireless Technology/instrumentation
    Print ISSN: 0028-0836
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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    Transport: Nicaragua Canal may not benefit shipping (2016)
    Nature Publishing Group (NPG)
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    Publication Date: 2016-05-20
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chen, Jihong -- Liu, Xiang -- England -- Nature. 2016 May 18;533(7603):321. doi: 10.1038/533321d.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Shanghai Maritime University, China. ; Rutgers University, Piscataway, New Jersey, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/27193671" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Dissent and Disputes ; *Ecosystem ; *Environmental Monitoring ; *Models, Economic ; *Transportation
    Print ISSN: 0028-0836
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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    Policy: Urban physics (2016)
    Nature Publishing Group (NPG)
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    Publication Date: 2016-03-18
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pollock, Kevin -- England -- Nature. 2016 Mar 17;531(7594):S64-6. doi: 10.1038/531S64a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26981733" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Cities ; *City Planning ; Feedback ; Humans ; *Physics ; Plague/epidemiology ; Rats ; *Urbanization ; Vietnam/epidemiology
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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    A hippocampal network for spatial coding during immobility and sleep (2016)
    Nature Publishing Group (NPG)
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    Publication Date: 2016-03-05
    Description: How does an animal know where it is when it stops moving? Hippocampal place cells fire at discrete locations as subjects traverse space, thereby providing an explicit neural code for current location during locomotion. In contrast, during awake immobility, the hippocampus is thought to be dominated by neural firing representing past and possible future experience. The question of whether and how the hippocampus constructs a representation of current location in the absence of locomotion has been unresolved. Here we report that a distinct population of hippocampal neurons, located in the CA2 subregion, signals current location during immobility, and does so in association with a previously unidentified hippocampus-wide network pattern. In addition, signalling of location persists into brief periods of desynchronization prevalent in slow-wave sleep. The hippocampus thus generates a distinct representation of current location during immobility, pointing to mnemonic processing specific to experience occurring in the absence of locomotion.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kay, Kenneth -- Sosa, Marielena -- Chung, Jason E -- Karlsson, Mattias P -- Larkin, Margaret C -- Frank, Loren M -- R01 MH090188/MH/NIMH NIH HHS/ -- Howard Hughes Medical Institute/ -- England -- Nature. 2016 Mar 10;531(7593):185-90. doi: 10.1038/nature17144. Epub 2016 Mar 2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉UCSF Center for Integrative Neuroscience and Department of Physiology, University of California San Francisco, California 94158, USA. ; Howard Hughes Medical Institute, University of California San Francisco, California 94158, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26934224" target="_blank"〉PubMed〈/a〉
    Keywords: Action Potentials ; Animals ; Hippocampus/anatomy & histology/*cytology/*physiology ; Male ; Models, Neurological ; Movement ; Neurons/*physiology ; Orientation/*physiology ; Rats ; Rats, Long-Evans ; Sleep/*physiology ; Space Perception/*physiology ; Spatial Memory/physiology
    Print ISSN: 0028-0836
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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    The terrestrial biosphere as a net source of greenhouse gases to the atmosphere (2016)
    Nature Publishing Group (NPG)
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    Publication Date: 2016-03-11
    Description: The terrestrial biosphere can release or absorb the greenhouse gases, carbon dioxide (CO2), methane (CH4) and nitrous oxide (N2O), and therefore has an important role in regulating atmospheric composition and climate. Anthropogenic activities such as land-use change, agriculture and waste management have altered terrestrial biogenic greenhouse gas fluxes, and the resulting increases in methane and nitrous oxide emissions in particular can contribute to climate change. The terrestrial biogenic fluxes of individual greenhouse gases have been studied extensively, but the net biogenic greenhouse gas balance resulting from anthropogenic activities and its effect on the climate system remains uncertain. Here we use bottom-up (inventory, statistical extrapolation of local flux measurements, and process-based modelling) and top-down (atmospheric inversions) approaches to quantify the global net biogenic greenhouse gas balance between 1981 and 2010 resulting from anthropogenic activities and its effect on the climate system. We find that the cumulative warming capacity of concurrent biogenic methane and nitrous oxide emissions is a factor of about two larger than the cooling effect resulting from the global land carbon dioxide uptake from 2001 to 2010. This results in a net positive cumulative impact of the three greenhouse gases on the planetary energy budget, with a best estimate (in petagrams of CO2 equivalent per year) of 3.9 +/- 3.8 (top down) and 5.4 +/- 4.8 (bottom up) based on the GWP100 metric (global warming potential on a 100-year time horizon). Our findings suggest that a reduction in agricultural methane and nitrous oxide emissions, particularly in Southern Asia, may help mitigate climate change.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tian, Hanqin -- Lu, Chaoqun -- Ciais, Philippe -- Michalak, Anna M -- Canadell, Josep G -- Saikawa, Eri -- Huntzinger, Deborah N -- Gurney, Kevin R -- Sitch, Stephen -- Zhang, Bowen -- Yang, Jia -- Bousquet, Philippe -- Bruhwiler, Lori -- Chen, Guangsheng -- Dlugokencky, Edward -- Friedlingstein, Pierre -- Melillo, Jerry -- Pan, Shufen -- Poulter, Benjamin -- Prinn, Ronald -- Saunois, Marielle -- Schwalm, Christopher R -- Wofsy, Steven C -- England -- Nature. 2016 Mar 10;531(7593):225-8. doi: 10.1038/nature16946.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉International Center for Climate and Global Change Research, School of Forestry and Wildlife Sciences, Auburn University, Auburn, Alabama 36849, USA. ; Department of Ecology, Evolution, and Organismal Biology, Iowa State University, Iowa 50011, USA. ; Laboratoire des Sciences du Climat et de l'Environnement, 91191 Gif sur Yvette, France. ; Department of Global Ecology, Carnegie Institution for Science, Stanford, California 94305, USA. ; Global Carbon Project, CSIRO Oceans and Atmosphere Research, GPO Box 3023, Canberra, Australian Capital Territory 2601, Australia. ; Department of Environmental Sciences, Emory University, Atlanta, Georgia 30322, USA. ; School of Earth Sciences and Environmental Sustainability, Northern Arizona University, Flagstaff, Arizona 86011, USA. ; School of Life Sciences, Arizona State University, Tempe, Arizona 85287, USA. ; College of Life and Environmental Sciences, University of Exeter, Exeter EX4 4RJ, UK. ; NOAA Earth System Research Laboratory, Global Monitoring Division, Boulder, Colorado 80305, USA. ; Environmental Science Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA. ; College of Engineering, Mathematics and Physical Sciences, University of Exeter, Exeter EX4 4QF, UK. ; The Ecosystems Center, Marine Biological Laboratory, Woods Hole, Massachusetts 02543, USA. ; Institute of Ecosystems and Department of Ecology, Montana State University, Bozeman, Montana 59717, USA. ; Center for Global Change Science, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA. ; Woods Hole Research Center, Falmouth, Massachusetts 02540, USA. ; Department of Earth and Planetary Science, Harvard University, 29 Oxford Street, Cambridge, Massachusetts 02138, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26961656" target="_blank"〉PubMed〈/a〉
    Keywords: Agriculture/statistics & numerical data ; Asia ; Atmosphere/*chemistry ; Carbon Dioxide/analysis/*metabolism ; *Ecosystem ; Global Warming/prevention & control/*statistics & numerical data ; Greenhouse Effect/prevention & control/*statistics & numerical data ; Human Activities/statistics & numerical data ; Methane/analysis/*metabolism ; Nitrous Oxide/analysis/*metabolism
    Print ISSN: 0028-0836
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    Ageing: Restoration project (2016)
    Nature Publishing Group (NPG)
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    Publication Date: 2016-03-05
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉McGilvray, Annabel -- England -- Nature. 2016 Mar 3;531(7592):S4-5. doi: 10.1038/531S4a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26934524" target="_blank"〉PubMed〈/a〉
    Keywords: Acetates/pharmacology/therapeutic use ; Aging/blood/drug effects/pathology/*psychology ; Alzheimer Disease/blood/therapy ; Animals ; Anti-Asthmatic Agents/pharmacology/therapeutic use ; Cognition Disorders/pathology/physiopathology/*prevention & control/*therapy ; Estrogens/pharmacology ; Female ; Hippocampus/drug effects/pathology/physiology/physiopathology ; Humans ; Inflammation Mediators/immunology ; Leukotrienes/immunology ; Macaca mulatta ; Male ; Mice ; Neuronal Plasticity/drug effects ; Parkinson Disease/therapy ; Plasma/chemistry/physiology ; Prefrontal Cortex/drug effects/pathology/physiology/physiopathology ; Quinolines/pharmacology/therapeutic use ; Rats ; Rejuvenation/*physiology/*psychology ; Synapses/drug effects/metabolism/pathology
    Print ISSN: 0028-0836
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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    Restoration: avoid arbitrary baselines (2016)
    Nature Publishing Group (NPG)
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    Publication Date: 2016-05-27
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mehrabi, Zia -- England -- Nature. 2016 May 25;533(7604):469. doi: 10.1038/533469c.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉University of British Columbia, Canada.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/27225111" target="_blank"〉PubMed〈/a〉
    Keywords: Conservation of Natural Resources/*methods ; *Ecosystem ; *Wilderness
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    Plankton networks driving carbon export in the oligotrophic ocean (2016)
    Nature Publishing Group (NPG)
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    Publication Date: 2016-02-11
    Description: The biological carbon pump is the process by which CO2 is transformed to organic carbon via photosynthesis, exported through sinking particles, and finally sequestered in the deep ocean. While the intensity of the pump correlates with plankton community composition, the underlying ecosystem structure driving the process remains largely uncharacterized. Here we use environmental and metagenomic data gathered during the Tara Oceans expedition to improve our understanding of carbon export in the oligotrophic ocean. We show that specific plankton communities, from the surface and deep chlorophyll maximum, correlate with carbon export at 150 m and highlight unexpected taxa such as Radiolaria and alveolate parasites, as well as Synechococcus and their phages, as lineages most strongly associated with carbon export in the subtropical, nutrient-depleted, oligotrophic ocean. Additionally, we show that the relative abundance of a few bacterial and viral genes can predict a significant fraction of the variability in carbon export in these regions.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4851848/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4851848/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Guidi, Lionel -- Chaffron, Samuel -- Bittner, Lucie -- Eveillard, Damien -- Larhlimi, Abdelhalim -- Roux, Simon -- Darzi, Youssef -- Audic, Stephane -- Berline, Leo -- Brum, Jennifer R -- Coelho, Luis Pedro -- Espinoza, Julio Cesar Ignacio -- Malviya, Shruti -- Sunagawa, Shinichi -- Dimier, Celine -- Kandels-Lewis, Stefanie -- Picheral, Marc -- Poulain, Julie -- Searson, Sarah -- Tara Oceans Consortium Coordinators -- Stemmann, Lars -- Not, Fabrice -- Hingamp, Pascal -- Speich, Sabrina -- Follows, Mick -- Karp-Boss, Lee -- Boss, Emmanuel -- Ogata, Hiroyuki -- Pesant, Stephane -- Weissenbach, Jean -- Wincker, Patrick -- Acinas, Silvia G -- Bork, Peer -- de Vargas, Colomban -- Iudicone, Daniele -- Sullivan, Matthew B -- Raes, Jeroen -- Karsenti, Eric -- Bowler, Chris -- Gorsky, Gabriel -- England -- Nature. 2016 Apr 28;532(7600):465-70. doi: 10.1038/nature16942. Epub 2016 Feb 10.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Sorbonne Universites, UPMC Universite Paris 06, CNRS, Laboratoire d'oceanographie de Villefranche (LOV), Observatoire Oceanologique, 06230 Villefranche-sur-Mer, France. ; Department of Oceanography, University of Hawaii, Honolulu, Hawaii 96822, USA. ; Department of Microbiology and Immunology, Rega Institute, KU Leuven, Herestraat 49, 3000 Leuven, Belgium. ; Center for the Biology of Disease, VIB, Herestraat 49, 3000 Leuven, Belgium. ; Department of Applied Biological Sciences, Vrije Universiteit Brussel, Pleinlaan 2, 1050 Brussels, Belgium. ; Sorbonne Universites, UPMC Univ Paris 06, CNRS, Institut de Biologie Paris-Seine (IBPS), Evolution Paris Seine, F-75005, Paris, France. ; Ecole Normale Superieure, PSL Research University, Institut de Biologie de l'Ecole Normale Superieure (IBENS), CNRS UMR 8197, INSERM U1024, 46 rue d'Ulm, F-75005 Paris, France. ; Sorbonne Universites, UPMC Universite Paris 06, CNRS, Laboratoire Adaptation et Diversite en Milieu Marin, Station Biologique de Roscoff, 29680 Roscoff, France. ; LINA UMR 6241, Universite de Nantes, EMN, CNRS, 44322 Nantes, France. ; Department of Ecology and Evolutionary Biology, University of Arizona, Tucson, Arizona 85721, USA. ; Structural and Computational Biology, European Molecular Biology Laboratory, Meyerhofstr. 1, 69117 Heidelberg, Germany. ; Directors' Research European Molecular Biology Laboratory Meyerhofstr. 1, 69117 Heidelberg, Germany. ; CEA - Institut de Genomique, GENOSCOPE, 2 rue Gaston Cremieux, 91057 Evry, France. ; Aix Marseille Universite, CNRS, IGS, UMR 7256, 13288 Marseille, France. ; Department of Geosciences, Laboratoire de Meteorologie Dynamique (LMD), Ecole Normale Superieure, 24 rue Lhomond, 75231 Paris CEDEX 05, France. ; Dept of Earth, Atmospheric and Planetary Sciences, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA. ; School of Marine Sciences, University of Maine, Orono, Maine 04469, USA. ; Institute for Chemical Research, Kyoto University, Gokasho, Uji, Kyoto, 611-0011, Japan. ; PANGAEA, Data Publisher for Earth and Environmental Science, University of Bremen, 28359 Bremen, Germany. ; MARUM, Center for Marine Environmental Sciences, University of Bremen, 28359 Bremen, Germany. ; CNRS, UMR 8030, CP 5706 Evry, France. ; Universite d'Evry, UMR 8030, CP 5706 Evry, France. ; Department of Marine Biology and Oceanography, Institute of Marine Sciences (ICM)-CSIC, Pg. Maritim de la Barceloneta 37-49, Barcelona E0800, Spain. ; Max-Delbruck-Centre for Molecular Medicine, 13092 Berlin, Germany. ; Stazione Zoologica Anton Dohrn, Villa Comunale, 80121 Naples, Italy.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26863193" target="_blank"〉PubMed〈/a〉
    Keywords: Aquatic Organisms/genetics/isolation & purification/*metabolism ; Carbon/*metabolism ; Chlorophyll/metabolism ; Dinoflagellida/genetics/isolation & purification/metabolism ; *Ecosystem ; Expeditions ; Genes, Bacterial ; Genes, Viral ; Geography ; Oceans and Seas ; Photosynthesis ; Plankton/genetics/isolation & purification/*metabolism ; Seawater/*chemistry/microbiology/parasitology ; Synechococcus/genetics/isolation & purification/metabolism/virology
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    Neurobiology: Rise of resilience (2016)
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    Publication Date: 2016-03-05
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉King, Anthony -- England -- Nature. 2016 Mar 3;531(7592):S18-9. doi: 10.1038/531S18a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26934522" target="_blank"〉PubMed〈/a〉
    Keywords: Amygdala/metabolism ; Animals ; Brain/*physiology ; Bullying ; DNA Methylation ; Depression/complications/prevention & control/therapy ; Emotional Adjustment ; Epigenesis, Genetic/genetics ; Female ; Hippocampus/metabolism ; Humans ; Hydrocortisone/metabolism ; Maternal Behavior ; Memory/physiology ; Mice ; Models, Animal ; Oxytocin/metabolism ; Pregnancy ; Prenatal Exposure Delayed Effects/genetics ; Psychological Trauma/complications/genetics/metabolism ; Rats ; *Resilience, Psychological ; Social Isolation/psychology ; Stress, Psychological/complications/genetics/metabolism/therapy
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    Restoration: 'Garden of Eden' unrealistic (2016)
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    Publication Date: 2016-05-27
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Breed, Martin F -- Lowe, Andrew J -- Mortimer, Peter E -- England -- Nature. 2016 May 25;533(7604):469. doi: 10.1038/533469d.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉University of Adelaide, Australia. ; Kunming Institute of Botany; and World Agroforestry Centre, Kunming, China.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/27225110" target="_blank"〉PubMed〈/a〉
    Keywords: Conservation of Natural Resources/*methods ; *Ecosystem ; *Wilderness
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    Proton-gated Ca(2+)-permeable TRP channels damage myelin in conditions mimicking ischaemia (2016)
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    Publication Date: 2016-01-14
    Description: The myelin sheaths wrapped around axons by oligodendrocytes are crucial for brain function. In ischaemia myelin is damaged in a Ca(2+)-dependent manner, abolishing action potential propagation. This has been attributed to glutamate release activating Ca(2+)-permeable N-methyl-D-aspartate (NMDA) receptors. Surprisingly, we now show that NMDA does not raise the intracellular Ca(2+) concentration ([Ca(2+)]i) in mature oligodendrocytes and that, although ischaemia evokes a glutamate-triggered membrane current, this is generated by a rise of extracellular [K(+)] and decrease of membrane K(+) conductance. Nevertheless, ischaemia raises oligodendrocyte [Ca(2+)]i, [Mg(2+)]i and [H(+)]i, and buffering intracellular pH reduces the [Ca(2+)]i and [Mg(2+)]i increases, showing that these are evoked by the rise of [H(+)]i. The H(+)-gated [Ca(2+)]i elevation is mediated by channels with characteristics of TRPA1, being inhibited by ruthenium red, isopentenyl pyrophosphate, HC-030031, A967079 or TRPA1 knockout. TRPA1 block reduces myelin damage in ischaemia. These data suggest that TRPA1-containing ion channels could be a therapeutic target in white matter ischaemia.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4733665/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4733665/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hamilton, Nicola B -- Kolodziejczyk, Karolina -- Kougioumtzidou, Eleni -- Attwell, David -- Wellcome Trust/United Kingdom -- England -- Nature. 2016 Jan 28;529(7587):523-7. doi: 10.1038/nature16519. Epub 2016 Jan 13.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Neuroscience, Physiology &Pharmacology, University College London, Gower St., London WC1E 6BT, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26760212" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Brain Ischemia/*metabolism/*pathology ; Calcium/*metabolism ; Calcium Signaling/drug effects ; Electric Conductivity ; Female ; Hydrogen-Ion Concentration ; Magnesium/metabolism ; Male ; Mice ; Mice, Transgenic ; Multiple Sclerosis/metabolism/pathology ; Myelin Sheath/drug effects/*metabolism/*pathology ; N-Methylaspartate/metabolism/pharmacology ; Oligodendroglia/drug effects/metabolism/pathology ; Potassium/metabolism ; *Protons ; Rats ; Rats, Sprague-Dawley ; Receptors, N-Methyl-D-Aspartate/metabolism ; Stroke/metabolism/pathology ; Transient Receptor Potential Channels/antagonists & ; inhibitors/deficiency/genetics/*metabolism ; White Matter/metabolism/pathology
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    Boreal and temperate trees show strong acclimation of respiration to warming (2016)
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    Publication Date: 2016-03-17
    Description: Plant respiration results in an annual flux of carbon dioxide (CO2) to the atmosphere that is six times as large as that due to the emissions from fossil fuel burning, so changes in either will impact future climate. As plant respiration responds positively to temperature, a warming world may result in additional respiratory CO2 release, and hence further atmospheric warming. Plant respiration can acclimate to altered temperatures, however, weakening the positive feedback of plant respiration to rising global air temperature, but a lack of evidence on long-term (weeks to years) acclimation to climate warming in field settings currently hinders realistic predictions of respiratory release of CO2 under future climatic conditions. Here we demonstrate strong acclimation of leaf respiration to both experimental warming and seasonal temperature variation for juveniles of ten North American tree species growing for several years in forest conditions. Plants grown and measured at 3.4 degrees C above ambient temperature increased leaf respiration by an average of 5% compared to plants grown and measured at ambient temperature; without acclimation, these increases would have been 23%. Thus, acclimation eliminated 80% of the expected increase in leaf respiration of non-acclimated plants. Acclimation of leaf respiration per degree temperature change was similar for experimental warming and seasonal temperature variation. Moreover, the observed increase in leaf respiration per degree increase in temperature was less than half as large as the average reported for previous studies, which were conducted largely over shorter time scales in laboratory settings. If such dampening effects of leaf thermal acclimation occur generally, the increase in respiration rates of terrestrial plants in response to climate warming may be less than predicted, and thus may not raise atmospheric CO2 concentrations as much as anticipated.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Reich, Peter B -- Sendall, Kerrie M -- Stefanski, Artur -- Wei, Xiaorong -- Rich, Roy L -- Montgomery, Rebecca A -- England -- Nature. 2016 Mar 31;531(7596):633-6. doi: 10.1038/nature17142. Epub 2016 Mar 16.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Forest Resources, University of Minnesota, Minnesota 55108, USA. ; Hawkesbury Institute for the Environment, Western Sydney University, Penrith, New South Wales 2753, Australia. ; State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, Northwest A&F University, Yangling 712100, China. ; Smithsonian Environmental Research Center, Edgewater, Maryland 20137, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26982730" target="_blank"〉PubMed〈/a〉
    Keywords: *Acclimatization ; Atmosphere ; Carbon Dioxide/metabolism ; Cell Respiration ; Darkness ; *Ecosystem ; Forests ; *Global Warming ; North America ; Photosynthesis ; Plant Leaves/metabolism ; Seasons ; *Temperature ; Time Factors ; Trees/classification/*metabolism
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    Land use: A global baseline for ecosystem recovery (2016)
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    Publication Date: 2016-04-15
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kotiaho, Janne S -- ten Brink, Ben -- Harris, Jim -- England -- Nature. 2016 Apr 7;532(7597):37. doi: 10.1038/532037c.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉University of Jyvaskyla, Finland. ; PBL-Netherlands Environmental Assessment Agency, The Netherlands. ; Cranfield University, Bedfordshire, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/27078561" target="_blank"〉PubMed〈/a〉
    Keywords: Biodiversity ; Conservation of Natural Resources/*methods ; *Ecosystem ; Human Activities ; Reference Standards ; *Wilderness
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    Smart drugs: A dose of intelligence (2016)
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    Publication Date: 2016-03-05
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Dance, Amber -- England -- Nature. 2016 Mar 3;531(7592):S2-3. doi: 10.1038/531S2a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26934523" target="_blank"〉PubMed〈/a〉
    Keywords: Aging ; Amphetamines/adverse effects/pharmacology ; Animals ; Benzhydryl Compounds/pharmacology ; Biomedical Enhancement/ethics/*methods ; Caffeine/pharmacology ; Child ; Cognition/drug effects ; Dopamine/metabolism ; Healthy Volunteers ; Humans ; Intelligence/*drug effects ; Intelligence Tests ; Methylphenidate/adverse effects/pharmacology ; Neurotransmitter Agents/metabolism ; Nicotine/adverse effects/pharmacology ; Norepinephrine/metabolism ; Off-Label Use ; Performance-Enhancing Substances/adverse effects/*pharmacology ; Prefrontal Cortex/drug effects/physiology ; Rats ; Substance-Related Disorders/etiology ; Video Games/psychology
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    The conformational signature of beta-arrestin2 predicts its trafficking and signalling functions (2016)
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    Publication Date: 2016-03-24
    Description: Arrestins are cytosolic proteins that regulate G-protein-coupled receptor (GPCR) desensitization, internalization, trafficking and signalling. Arrestin recruitment uncouples GPCRs from heterotrimeric G proteins, and targets the proteins for internalization via clathrin-coated pits. Arrestins also function as ligand-regulated scaffolds that recruit multiple non-G-protein effectors into GPCR-based 'signalsomes'. Although the dominant function(s) of arrestins vary between receptors, the mechanism whereby different GPCRs specify these divergent functions is unclear. Using a panel of intramolecular fluorescein arsenical hairpin (FlAsH) bioluminescence resonance energy transfer (BRET) reporters to monitor conformational changes in beta-arrestin2, here we show that GPCRs impose distinctive arrestin 'conformational signatures' that reflect the stability of the receptor-arrestin complex and role of beta-arrestin2 in activating or dampening downstream signalling events. The predictive value of these signatures extends to structurally distinct ligands activating the same GPCR, such that the innate properties of the ligand are reflected as changes in beta-arrestin2 conformation. Our findings demonstrate that information about ligand-receptor conformation is encoded within the population average beta-arrestin2 conformation, and provide insight into how different GPCRs can use a common effector for different purposes. This approach may have application in the characterization and development of functionally selective GPCR ligands and in identifying factors that dictate arrestin conformation and function.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lee, Mi-Hye -- Appleton, Kathryn M -- Strungs, Erik G -- Kwon, Joshua Y -- Morinelli, Thomas A -- Peterson, Yuri K -- Laporte, Stephane A -- Luttrell, Louis M -- DK055524/DK/NIDDK NIH HHS/ -- GM095497/GM/NIGMS NIH HHS/ -- MOP-74603/Canadian Institutes of Health Research/Canada -- R01 DK055524/DK/NIDDK NIH HHS/ -- R01 GM095497/GM/NIGMS NIH HHS/ -- RR027777/RR/NCRR NIH HHS/ -- S10 RR027777/RR/NCRR NIH HHS/ -- England -- Nature. 2016 Mar 31;531(7596):665-8. doi: 10.1038/nature17154. Epub 2016 Mar 23.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Medicine, Medical University of South Carolina, Charleston, South Carolina 29425, USA. ; Department of Pharmaceutical &Biomedical Sciences, College of Pharmacy, Medical University of South Carolina, Charleston, South Carolina 29425, USA. ; Department of Medicine, McGill University Health Center Research Institute, McGill University, Quebec H4A 3J1, Canada. ; Pharmacology and Therapeutics, McGill University, Quebec H3G 1Y6, Canada. ; Anatomy and Cell Biology, McGill University, Quebec H3A 0C7, Canada. ; Research Service of the Ralph H. Johnson Veterans Affairs Medical Center, Charleston, South Carolina 29401, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/27007854" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Arrestins/*chemistry/*metabolism ; Enzyme Activation ; HEK293 Cells ; Humans ; Ligands ; Mitogen-Activated Protein Kinase 1/metabolism ; Mitogen-Activated Protein Kinase 3/metabolism ; Protein Conformation ; Protein Transport ; Rats ; Receptors, G-Protein-Coupled/chemistry/*metabolism ; *Signal Transduction
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    Effector T-cell trafficking between the leptomeninges and the cerebrospinal fluid (2016)
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    Publication Date: 2016-02-11
    Description: In multiple sclerosis, brain-reactive T cells invade the central nervous system (CNS) and induce a self-destructive inflammatory process. T-cell infiltrates are not only found within the parenchyma and the meninges, but also in the cerebrospinal fluid (CSF) that bathes the entire CNS tissue. How the T cells reach the CSF, their functionality, and whether they traffic between the CSF and other CNS compartments remains hypothetical. Here we show that effector T cells enter the CSF from the leptomeninges during Lewis rat experimental autoimmune encephalomyelitis (EAE), a model of multiple sclerosis. While moving through the three-dimensional leptomeningeal network of collagen fibres in a random Brownian walk, T cells were flushed from the surface by the flow of the CSF. The detached cells displayed significantly lower activation levels compared to T cells from the leptomeninges and CNS parenchyma. However, they did not represent a specialized non-pathogenic cellular sub-fraction, as their gene expression profile strongly resembled that of tissue-derived T cells and they fully retained their encephalitogenic potential. T-cell detachment from the leptomeninges was counteracted by integrins VLA-4 and LFA-1 binding to their respective ligands produced by resident macrophages. Chemokine signalling via CCR5/CXCR3 and antigenic stimulation of T cells in contact with the leptomeningeal macrophages enforced their adhesiveness. T cells floating in the CSF were able to reattach to the leptomeninges through steps reminiscent of vascular adhesion in CNS blood vessels, and invade the parenchyma. The molecular/cellular conditions for T-cell reattachment were the same as the requirements for detachment from the leptomeningeal milieu. Our data indicate that the leptomeninges represent a checkpoint at which activated T cells are licensed to enter the CNS parenchyma and non-activated T cells are preferentially released into the CSF, from where they can reach areas of antigen availability and tissue damage.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Schlager, Christian -- Korner, Henrike -- Krueger, Martin -- Vidoli, Stefano -- Haberl, Michael -- Mielke, Dorothee -- Brylla, Elke -- Issekutz, Thomas -- Cabanas, Carlos -- Nelson, Peter J -- Ziemssen, Tjalf -- Rohde, Veit -- Bechmann, Ingo -- Lodygin, Dmitri -- Odoardi, Francesca -- Flugel, Alexander -- England -- Nature. 2016 Feb 18;530(7590):349-53. doi: 10.1038/nature16939. Epub 2016 Feb 10.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute of Neuroimmunology, Institute for Multiple Sclerosis Research, University Medical Centre Gottingen, 37073 Gottingen, Germany. ; Institute of Anatomy, University of Leipzig, 04103 Leipzig, Germany. ; Department of Structural and Geotechnical Engineering, University of Rome La Sapienza, 00185 Rome, Italy. ; Department Neurosurgery, University Medical Centre Gottingen, 37075 Gottingen, Germany. ; Division of Immunology, Department of Pediatrics Dalhousie University, Halifax B3H 4R2, Canada. ; Departamento de Biologia Celular e Inmunologia, Centro de Biologia Molecular Severo Ochoa, 28049 Madrid, Spain. ; Medical Clinic and Policlinic IV, Ludwig-Maximilians-University of Munich, 80336 Munich, Germany. ; Department of Neurology, University Hospital, 01307 Dresden, Germany. ; Max-Planck-Institute for Experimental Medicine, 37075 Gottingen, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26863192" target="_blank"〉PubMed〈/a〉
    Keywords: Adoptive Transfer ; Animals ; Cell Adhesion ; *Cell Movement ; Cerebrospinal Fluid/*cytology/immunology ; Chemokines/metabolism ; Choroid Plexus ; Collagen/metabolism ; Disease Models, Animal ; Encephalomyelitis, Autoimmune, Experimental/immunology/*pathology ; Female ; Integrin alpha4beta1/metabolism ; Lymphocyte Activation ; Lymphocyte Function-Associated Antigen-1/metabolism ; Macrophages/immunology/metabolism ; Male ; Meninges/immunology/*pathology ; Multiple Sclerosis/immunology/*pathology ; Rats ; Rats, Inbred Lew ; Receptors, CCR5/metabolism ; Receptors, CXCR3/metabolism ; T-Lymphocytes/immunology/*pathology
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    Sensitivity of global terrestrial ecosystems to climate variability (2016)
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    Publication Date: 2016-02-18
    Description: The identification of properties that contribute to the persistence and resilience of ecosystems despite climate change constitutes a research priority of global relevance. Here we present a novel, empirical approach to assess the relative sensitivity of ecosystems to climate variability, one property of resilience that builds on theoretical modelling work recognizing that systems closer to critical thresholds respond more sensitively to external perturbations. We develop a new metric, the vegetation sensitivity index, that identifies areas sensitive to climate variability over the past 14 years. The metric uses time series data derived from the moderate-resolution imaging spectroradiometer (MODIS) enhanced vegetation index, and three climatic variables that drive vegetation productivity (air temperature, water availability and cloud cover). Underlying the analysis is an autoregressive modelling approach used to identify climate drivers of vegetation productivity on monthly timescales, in addition to regions with memory effects and reduced response rates to external forcing. We find ecologically sensitive regions with amplified responses to climate variability in the Arctic tundra, parts of the boreal forest belt, the tropical rainforest, alpine regions worldwide, steppe and prairie regions of central Asia and North and South America, the Caatinga deciduous forest in eastern South America, and eastern areas of Australia. Our study provides a quantitative methodology for assessing the relative response rate of ecosystems--be they natural or with a strong anthropogenic signature--to environmental variability, which is the first step towards addressing why some regions appear to be more sensitive than others, and what impact this has on the resilience of ecosystem service provision and human well-being.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Seddon, Alistair W R -- Macias-Fauria, Marc -- Long, Peter R -- Benz, David -- Willis, Kathy J -- England -- Nature. 2016 Mar 10;531(7593):229-32. doi: 10.1038/nature16986. Epub 2016 Feb 17.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology, University of Bergen, Allegaten 41, N-500 Bergen, Norway. ; School of Geography and the Environment, South Parks Road, University of Oxford, Oxford OX1 3QY, UK. ; Long-Term Ecology Laboratory, Biodiversity Institute, Oxford Martin School, Department of Zoology, South Parks Road, University of Oxford, Oxford OX1 3PS, UK. ; Royal Botanic Gardens, Kew, Richmond, Surrey TW9 3AB, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26886790" target="_blank"〉PubMed〈/a〉
    Keywords: *Acclimatization ; Americas ; Arctic Regions ; Asia ; Australia ; *Climate Change ; *Ecosystem ; Environmental Monitoring ; *Geographic Mapping ; Human Activities ; Models, Theoretical ; *Plant Physiological Phenomena ; Rainforest ; Temperature ; Time Factors ; Trees ; Water/analysis
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    The peptidergic control circuit for sighing (2016)
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    Publication Date: 2016-02-09
    Description: Sighs are long, deep breaths expressing sadness, relief or exhaustion. Sighs also occur spontaneously every few minutes to reinflate alveoli, and sighing increases under hypoxia, stress, and certain psychiatric conditions. Here we use molecular, genetic, and pharmacologic approaches to identify a peptidergic sigh control circuit in murine brain. Small neural subpopulations in a key breathing control centre, the retrotrapezoid nucleus/parafacial respiratory group (RTN/pFRG), express bombesin-like neuropeptide genes neuromedin B (Nmb) or gastrin-releasing peptide (Grp). These project to the preBotzinger Complex (preBotC), the respiratory rhythm generator, which expresses NMB and GRP receptors in overlapping subsets of ~200 neurons. Introducing either neuropeptide into preBotC or onto preBotC slices, induced sighing or in vitro sigh activity, whereas elimination or inhibition of either receptor reduced basal sighing, and inhibition of both abolished it. Ablating receptor-expressing neurons eliminated basal and hypoxia-induced sighing, but left breathing otherwise intact initially. We propose that these overlapping peptidergic pathways comprise the core of a sigh control circuit that integrates physiological and perhaps emotional input to transform normal breaths into sighs.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Li, Peng -- Janczewski, Wiktor A -- Yackle, Kevin -- Kam, Kaiwen -- Pagliardini, Silvia -- Krasnow, Mark A -- Feldman, Jack L -- HL40959/HL/NHLBI NIH HHS/ -- HL70029/HL/NHLBI NIH HHS/ -- NS72211/NS/NINDS NIH HHS/ -- R01 HL040959/HL/NHLBI NIH HHS/ -- R01 HL070029/HL/NHLBI NIH HHS/ -- R01 NS072211/NS/NINDS NIH HHS/ -- Canadian Institutes of Health Research/Canada -- Howard Hughes Medical Institute/ -- England -- Nature. 2016 Feb 18;530(7590):293-7. doi: 10.1038/nature16964. Epub 2016 Feb 8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry and Howard Hughes Medical Institute, Stanford University School of Medicine, Stanford, California 94305, USA. ; Systems Neurobiology Laboratory, Department of Neurobiology, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California 90095, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26855425" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bombesin/pharmacology ; Emotions/physiology ; Female ; Gastrin-Releasing Peptide/deficiency/genetics/*metabolism ; In Vitro Techniques ; Male ; Mice ; Mice, Inbred C57BL ; Neurokinin B/*analogs & derivatives/deficiency/genetics/metabolism/pharmacology ; Neurons/drug effects/*physiology ; Rats ; Rats, Sprague-Dawley ; Receptors, Bombesin/*metabolism ; *Respiration/drug effects ; Respiratory Center/cytology/drug effects/physiology ; Ribosome Inactivating Proteins, Type 1/pharmacology ; Signal Transduction/drug effects/*physiology
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    Range management: Tibetan wildlife hemmed in (2016)
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    Publication Date: 2016-02-06
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ji, Weihong -- Aryal, Achyut -- Su, Junhu -- England -- Nature. 2016 Feb 4;530(7588):33. doi: 10.1038/530033c.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Massey University, Auckland, New Zealand; and Gansu Agricultural University, China. ; Gansu Agricultural University, China.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26842048" target="_blank"〉PubMed〈/a〉
    Keywords: Agriculture/instrumentation/legislation & jurisprudence ; Animal Migration ; Animals ; Animals, Wild/genetics/*physiology ; Conservation of Natural Resources/*legislation & jurisprudence/*methods ; *Ecosystem ; Environmental Policy/*legislation & jurisprudence ; Motor Vehicles ; Railroads ; Tibet
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    Microbial oceanography: Viral strategies at sea (2016)
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    Publication Date: 2016-03-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Thingstad, T Frede -- Bratbak, Gunnar -- England -- Nature. 2016 Mar 24;531(7595):454-5. doi: 10.1038/nature17303. Epub 2016 Mar 16.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology, University of Bergen, 5020 Bergen, Norway.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26982732" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Anthozoa/*virology ; *Ecosystem ; *Host-Pathogen Interactions ; Viruses/*pathogenicity
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    Neural modelling: Abstractions of the mind (2016)
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    Publication Date: 2016-03-05
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chi, Kelly Rae -- England -- Nature. 2016 Mar 3;531(7592):S16-7. doi: 10.1038/531S16a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26934521" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Brain/*anatomy & histology/*physiology ; Cognition/*physiology ; Computer Simulation ; Humans ; Models, Anatomic ; *Models, Neurological ; Neocortex/physiology ; Neurons/physiology ; Rats
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    Nucleus accumbens D2R cells signal prior outcomes and control risky decision-making (2016)
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    Publication Date: 2016-03-24
    Description: A marked bias towards risk aversion has been observed in nearly every species tested. A minority of individuals, however, instead seem to prefer risk (repeatedly choosing uncertain large rewards over certain but smaller rewards), and even risk-averse individuals sometimes opt for riskier alternatives. It is not known how neural activity underlies such important shifts in decision-making--either as a stable trait across individuals or at the level of variability within individuals. Here we describe a model of risk-preference in rats, in which stable individual differences, trial-by-trial choices, and responses to pharmacological agents all parallel human behaviour. By combining new genetic targeting strategies with optical recording of neural activity during behaviour in this model, we identify relevant temporally specific signals from a genetically and anatomically defined population of neurons. This activity occurred within dopamine receptor type-2 (D2R)-expressing cells in the nucleus accumbens (NAc), signalled unfavourable outcomes from the recent past at a time appropriate for influencing subsequent decisions, and also predicted subsequent choices made. Having uncovered this naturally occurring neural correlate of risk selection, we then mimicked the temporally specific signal with optogenetic control during decision-making and demonstrated its causal effect in driving risk-preference. Specifically, risk-preferring rats could be instantaneously converted to risk-averse rats with precisely timed phasic stimulation of NAc D2R cells. These findings suggest that individual differences in risk-preference, as well as real-time risky decision-making, can be largely explained by the encoding in D2R-expressing NAc cells of prior unfavourable outcomes during decision-making.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zalocusky, Kelly A -- Ramakrishnan, Charu -- Lerner, Talia N -- Davidson, Thomas J -- Knutson, Brian -- Deisseroth, Karl -- 1F31MH105151-01/MH/NIMH NIH HHS/ -- 1F32MH105053-01/MH/NIMH NIH HHS/ -- Howard Hughes Medical Institute/ -- England -- Nature. 2016 Mar 31;531(7596):642-6. doi: 10.1038/nature17400. Epub 2016 Mar 23.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Bioengineering Department, Stanford University, Stanford, California 94305, USA. ; Neurosciences Program, Stanford University, Stanford, California 94305, USA. ; CNC Program, Stanford University, Stanford, California 94305, USA. ; Psychology Department, Stanford University, Stanford, California 94305, USA. ; Howard Hughes Medical Institute, Stanford University, Stanford, California 94305, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/27007845" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Choice Behavior ; *Decision Making ; Humans ; Individuality ; Male ; Models, Animal ; Models, Neurological ; Models, Psychological ; Neurons/*metabolism ; Nucleus Accumbens/*cytology/*metabolism ; Rats ; Rats, Long-Evans ; Receptors, Dopamine D2/*metabolism ; Reward ; *Risk Management ; Signal Transduction ; Uncertainty
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    Lytic to temperate switching of viral communities (2016)
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    Publication Date: 2016-03-17
    Description: Microbial viruses can control host abundances via density-dependent lytic predator-prey dynamics. Less clear is how temperate viruses, which coexist and replicate with their host, influence microbial communities. Here we show that virus-like particles are relatively less abundant at high host densities. This suggests suppressed lysis where established models predict lytic dynamics are favoured. Meta-analysis of published viral and microbial densities showed that this trend was widespread in diverse ecosystems ranging from soil to freshwater to human lungs. Experimental manipulations showed viral densities more consistent with temperate than lytic life cycles at increasing microbial abundance. An analysis of 24 coral reef viromes showed a relative increase in the abundance of hallmark genes encoded by temperate viruses with increased microbial abundance. Based on these four lines of evidence, we propose the Piggyback-the-Winner model wherein temperate dynamics become increasingly important in ecosystems with high microbial densities; thus 'more microbes, fewer viruses'.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Knowles, B -- Silveira, C B -- Bailey, B A -- Barott, K -- Cantu, V A -- Cobian-Guemes, A G -- Coutinho, F H -- Dinsdale, E A -- Felts, B -- Furby, K A -- George, E E -- Green, K T -- Gregoracci, G B -- Haas, A F -- Haggerty, J M -- Hester, E R -- Hisakawa, N -- Kelly, L W -- Lim, Y W -- Little, M -- Luque, A -- McDole-Somera, T -- McNair, K -- de Oliveira, L S -- Quistad, S D -- Robinett, N L -- Sala, E -- Salamon, P -- Sanchez, S E -- Sandin, S -- Silva, G G Z -- Smith, J -- Sullivan, C -- Thompson, C -- Vermeij, M J A -- Youle, M -- Young, C -- Zgliczynski, B -- Brainard, R -- Edwards, R A -- Nulton, J -- Thompson, F -- Rohwer, F -- England -- Nature. 2016 Mar 24;531(7595):466-70. doi: 10.1038/nature17193. Epub 2016 Mar 16.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology, San Diego State University, 5500 Campanile Drive, San Diego, California 92182, USA. ; Biology Institute, Rio de Janeiro Federal University, Av. Carlos Chagas Filho 373, Rio de Janeiro, Rio de Janeiro 21941-599, Brazil. ; Department of Mathematics and Statistics, San Diego State University, 5500 Campanile Drive, San Diego, California 92182, USA. ; Hawaii Institute of Marine Biology, University of Hawaii at Manoa, 46-007 Lilipuna Road, Kaneohe, Hawaii 96744, USA. ; Computational Science Research Center, San Diego State University, 5500 Campanile Drive, San Diego, California 92182, USA. ; Rainbow Rock, Ocean View, Hawaii 96737, USA. ; Radboud University Medical Centre, Radboud Institute for Molecular Life Sciences, Centre for Molecular and Biomolecular Informatics, 6525HP Nijmegen, The Netherlands. ; Viral Information Institute, San Diego State University, 5500 Campanile Drive, San Diego, California 92182, USA. ; Scripps Institution of Oceanography, 8622 Kennel Way, La Jolla, California 92037, USA. ; Department of Biology, University of California San Diego, 9500 Gilman Drive, La Jolla, California 92093, USA. ; Marine Sciences Department, Sao Paulo Federal University - Baixada Santista, Av. Alm. Saldanha da Gama, 89, Santos, Sao Paulo 11030-400, Brazil. ; National Geographic Society, 1145 17th St NW, Washington D.C. 20036, USA. ; CARMABI Foundation, Piscaderabaai z/n, Willemstad, Curacao, Netherlands Antilles. ; Aquatic Microbiology, Institute for Biodiversity and Ecosystem Dynamics, University of Amsterdam, 1098XH Amsterdam, The Netherlands.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26982729" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Anthozoa/physiology/*virology ; Bacteriophages/pathogenicity/physiology ; Coral Reefs ; *Ecosystem ; Genes, Viral/genetics ; *Host-Pathogen Interactions ; Lysogeny ; Models, Biological ; Virulence/genetics ; Viruses/genetics/isolation & purification/*pathogenicity
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    Ecology: Change is in the air (2016)
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    Publication Date: 2016-04-30
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rodriguez, Barbra -- England -- Nature. 2016 Apr 21;532(7599):403-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/27127819" target="_blank"〉PubMed〈/a〉
    Keywords: Adaptation, Physiological ; Animal Migration ; Animals ; Biodiversity ; Climate Change/economics/*statistics & numerical data ; Ecology/economics/manpower/*methods/*trends ; *Ecosystem ; Plants ; Research/economics/manpower/*trends ; *Research Design ; Research Personnel ; *Uncertainty ; Ursidae ; *Weather
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    Environment: Curb anchor scour for green shipping (2016)
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    Publication Date: 2016-05-07
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Davis, Andrew R -- Broad, Allison -- England -- Nature. 2016 May 5;533(7601):36. doi: 10.1038/533036a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉University of Wollongong, Australia.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/27147022" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Aquatic Organisms ; Biodiversity ; Conservation of Natural Resources/*methods/trends ; *Ecosystem ; Ships/*methods
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    Government cuts: Fanning the flames of Australian wildfires (2016)
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    Publication Date: 2016-04-01
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Doherty, Tim S -- Maron, Martine -- England -- Nature. 2016 Mar 31;531(7596):580. doi: 10.1038/531580b.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Deakin University, Victoria, Australia. ; The University of Queensland, Brisbane, Australia.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/27029269" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Australia ; *Ecosystem ; Endangered Species ; *Financing, Government ; *Fires/economics/statistics & numerical data ; Forests ; *Global Warming/economics/statistics & numerical data ; Leadership ; Politics ; Research/*economics/trends
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    Universal resilience patterns in complex networks (2016)
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    Publication Date: 2016-02-19
    Description: Resilience, a system's ability to adjust its activity to retain its basic functionality when errors, failures and environmental changes occur, is a defining property of many complex systems. Despite widespread consequences for human health, the economy and the environment, events leading to loss of resilience--from cascading failures in technological systems to mass extinctions in ecological networks--are rarely predictable and are often irreversible. These limitations are rooted in a theoretical gap: the current analytical framework of resilience is designed to treat low-dimensional models with a few interacting components, and is unsuitable for multi-dimensional systems consisting of a large number of components that interact through a complex network. Here we bridge this theoretical gap by developing a set of analytical tools with which to identify the natural control and state parameters of a multi-dimensional complex system, helping us derive effective one-dimensional dynamics that accurately predict the system's resilience. The proposed analytical framework allows us systematically to separate the roles of the system's dynamics and topology, collapsing the behaviour of different networks onto a single universal resilience function. The analytical results unveil the network characteristics that can enhance or diminish resilience, offering ways to prevent the collapse of ecological, biological or economic systems, and guiding the design of technological systems resilient to both internal failures and environmental changes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gao, Jianxi -- Barzel, Baruch -- Barabasi, Albert-Laszlo -- England -- Nature. 2016 Feb 18;530(7590):307-12. doi: 10.1038/nature16948.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Complex Network Research, Department of Physics, Northeastern University, Boston, Massachusetts 02115, USA. ; Department of Mathematics, Bar-Ilan University, Ramat-Gan 52900, Israel. ; Center for Cancer Systems Biology, Dana-Farber Cancer Institute, Harvard University, Boston, Massachusetts 02215, USA. ; Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts 02115, USA. ; Center for Network Science, Central European University, Budapest 1051, Hungary.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26887493" target="_blank"〉PubMed〈/a〉
    Keywords: Adaptation, Physiological ; *Ecosystem ; Gene Expression Regulation ; Gene Regulatory Networks/*genetics ; *Models, Biological
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    Microbiology: Exclusive networks in the sea (2015)
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    Publication Date: 2015-05-29
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Limardo, Alexander J -- Worden, Alexandra Z -- England -- Nature. 2015 Jun 4;522(7554):36-7. doi: 10.1038/nature14530. Epub 2015 May 27.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Ocean Sciences, University of California, Santa Cruz, California 95064, USA, and at the Monterey Bay Aquarium Research Institute, Moss Landing, California. ; 1] Department of Ocean Sciences, University of California, Santa Cruz, California 95064, USA, and at the Monterey Bay Aquarium Research Institute, Moss Landing, California. [2] Canadian Institute for Advanced Research, Toronto, Canada.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26017309" target="_blank"〉PubMed〈/a〉
    Keywords: Diatoms/*metabolism/*microbiology ; *Ecosystem ; Indoleacetic Acids/*metabolism ; Phytoplankton/*metabolism/*microbiology ; Rhodobacteraceae/*metabolism
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    Zanne et al. reply (2015)
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    Publication Date: 2015-05-23
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zanne, Amy E -- Tank, David C -- Cornwell, William K -- Eastman, Jonathan M -- Smith, Stephen A -- FitzJohn, Richard G -- McGlinn, Daniel J -- O'Meara, Brian C -- Moles, Angela T -- Reich, Peter B -- Royer, Dana L -- Soltis, Douglas E -- Stevens, Peter F -- Westoby, Mark -- Wright, Ian J -- Aarssen, Lonnie -- Bertin, Robert I -- Calaminus, Andre -- Govaerts, Rafael -- Hemmings, Frank -- Leishman, Michelle R -- Oleksyn, Jacek -- Soltis, Pamela S -- Swenson, Nathan G -- Warman, Laura -- Beaulieu, Jeremy M -- England -- Nature. 2015 May 21;521(7552):E6-7. doi: 10.1038/nature14394.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉1] Department of Biological Sciences, George Washington University, Washington DC 20052, USA. [2] Center for Conservation and Sustainable Development, Missouri Botanical Garden, St Louis, Missouri 63121, USA. ; 1] Department of Biological Sciences, University of Idaho, Moscow, Idaho 83844, USA. [2] Institute for Bioinformatics and Evolutionary Studies, University of Idaho, Moscow, Idaho 83844, USA. ; 1] Department of Ecological Sciences, Systems Ecology, de Boelelaan 1085, 1081 HV Amsterdam, The Netherlands. [2] Evolution &Ecology Research Centre, School of Biological, Earth and Environmental Sciences, University of New South Wales, Sydney, New South Wales 2052, Australia. ; Department of Ecology and Evolutionary Biology, University of Michigan, Ann Arbor, Michigan 48109, USA. ; 1] Department of Zoology and Biodiversity Research Centre, University of British Columbia, Vancouver, British Columbia V6T1Z4, Canada. [2] Department of Biological Sciences, Macquarie University, Sydney, New South Wales 2109, Australia. ; Department of Biology, College of Charleston, Charleston, South Carolina 29424, USA. ; Department of Ecology and Evolutionary Biology, University of Tennessee, Knoxville, Tennessee 37996, USA. ; Evolution &Ecology Research Centre, School of Biological, Earth and Environmental Sciences, University of New South Wales, Sydney, New South Wales 2052, Australia. ; 1] Department of Forest Resources, University of Minnesota, St Paul, Minnesota 55108, USA. [2] Hawkesbury Institute for the Environment, University of Western Sydney, Penrith, New South Wales 2751, Australia. ; Department of Earth and Environmental Sciences, Wesleyan University, Middletown, Connecticut 06459, USA. ; 1] Department of Biology, University of Florida, Gainesville, Florida 32611, USA. [2] Florida Museum of Natural History, University of Florida, Gainesville, Florida 32611, USA. [3] Genetics Institute, University of Florida, Gainesville, Florida 32611, USA. ; Department of Biology, University of Missouri-St Louis, St Louis, Missouri 63121, USA. ; Department of Biological Sciences, Macquarie University, Sydney, New South Wales 2109, Australia. ; Department of Biology, Queen's University, Kingston, Ontario K7L 3N6, Canada. ; Department of Biology, College of the Holy Cross, Worcester, Massachusetts 01610, USA. ; Department of Biology, University of Florida, Gainesville, Florida 32611, USA. ; Royal Botanic Gardens, Kew, Richmond TW9 3AB, UK. ; 1] Department of Forest Resources, University of Minnesota, St Paul, Minnesota 55108, USA. [2] Polish Academy of Sciences, Institute of Dendrology, 62-035 Kornik, Poland. ; 1] Florida Museum of Natural History, University of Florida, Gainesville, Florida 32611, USA. [2] Genetics Institute, University of Florida, Gainesville, Florida 32611, USA. ; Department of Plant Biology and Ecology, Evolutionary Biology and Behavior, Program, Michigan State University, East Lansing, Michigan 48824, USA. ; 1] Evolution &Ecology Research Centre, School of Biological, Earth and Environmental Sciences, University of New South Wales, Sydney, New South Wales 2052, Australia. [2] Institute of Pacific Islands Forestry, USDA Forest Service, Hilo, Hawaii 96720, USA. ; National Institute for Mathematical &Biological Synthesis, University of Tennessee, Knoxville, Tennessee 37996, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25993971" target="_blank"〉PubMed〈/a〉
    Keywords: Angiosperms/*anatomy & histology/*physiology ; *Biological Evolution ; *Cold Climate ; *Ecosystem ; *Freezing ; Xylem/*anatomy & histology
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    Ecology: Deep and complex ways to survive bleaching (2015)
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    Publication Date: 2015-02-06
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pandolfi, John M -- England -- Nature. 2015 Feb 5;518(7537):43-4. doi: 10.1038/nature14196. Epub 2015 Jan 14.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉School of Biological Sciences and the Australian Research Council Centre of Excellence for Coral Reef Studies, University of Queensland, Brisbane, Queensland 4072, Australia.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25652993" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Anthozoa/*growth & development/*physiology ; *Climate Change ; *Coral Reefs ; *Ecosystem
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    The inside story on wearable electronics (2015)
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    Publication Date: 2015-12-04
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gibney, Elizabeth -- England -- Nature. 2015 Dec 3;528(7580):26-8. doi: 10.1038/528026a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26632572" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bioengineering/instrumentation/methods ; Clothing ; *Early Diagnosis ; Electronics/*instrumentation ; *Equipment Design ; Humans ; Monitoring, Physiologic/*instrumentation/*methods ; Myocardial Infarction/diagnosis/drug therapy/prevention & control ; Rats ; Seizures/diagnosis/drug therapy/prevention & control ; *Transdermal Patch
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    Recovery potential of the world's coral reef fishes (2015)
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    Publication Date: 2015-04-10
    Description: Continuing degradation of coral reef ecosystems has generated substantial interest in how management can support reef resilience. Fishing is the primary source of diminished reef function globally, leading to widespread calls for additional marine reserves to recover fish biomass and restore key ecosystem functions. Yet there are no established baselines for determining when these conservation objectives have been met or whether alternative management strategies provide similar ecosystem benefits. Here we establish empirical conservation benchmarks and fish biomass recovery timelines against which coral reefs can be assessed and managed by studying the recovery potential of more than 800 coral reefs along an exploitation gradient. We show that resident reef fish biomass in the absence of fishing (B0) averages approximately 1,000 kg ha(-1), and that the vast majority (83%) of fished reefs are missing more than half their expected biomass, with severe consequences for key ecosystem functions such as predation. Given protection from fishing, reef fish biomass has the potential to recover within 35 years on average and less than 60 years when heavily depleted. Notably, alternative fisheries restrictions are largely (64%) successful at maintaining biomass above 50% of B0, sustaining key functions such as herbivory. Our results demonstrate that crucial ecosystem functions can be maintained through a range of fisheries restrictions, allowing coral reef managers to develop recovery plans that meet conservation and livelihood objectives in areas where marine reserves are not socially or politically feasible solutions.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉MacNeil, M Aaron -- Graham, Nicholas A J -- Cinner, Joshua E -- Wilson, Shaun K -- Williams, Ivor D -- Maina, Joseph -- Newman, Steven -- Friedlander, Alan M -- Jupiter, Stacy -- Polunin, Nicholas V C -- McClanahan, Tim R -- England -- Nature. 2015 Apr 16;520(7547):341-4. doi: 10.1038/nature14358. Epub 2015 Apr 8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉1] Australian Institute of Marine Science, PMB 3 Townsville MC, Townsville, Queensland 4810, Australia [2] Department of Mathematics and Statistics, Dalhousie University, Halifax, Nova Scotia B3H 3J5, Canada [3] Australian Research Council Centre of Excellence for Coral Reef Studies, James Cook University, Townsville, Queensland 4811, Australia. ; Australian Research Council Centre of Excellence for Coral Reef Studies, James Cook University, Townsville, Queensland 4811, Australia. ; 1] Department of Parks and Wildlife, Kensington, Perth, Western Australia 6151, Australia [2] Oceans Institute, University of Western Australia, Crawley, Western Australia 6009, Australia. ; Coral Reef Ecosystems Division, NOAA Pacific Islands Fisheries Science Center, Honolulu, Hawaii 96818, USA. ; 1] Australian Research Council Centre of Excellence for Environmental Decisions (CEED), University of Queensland, Brisbane, St Lucia, Queensland 4074, Australia [2] Wildlife Conservation Society, Marine Programs, Bronx, New York 10460, USA. ; School of Marine Science and Technology, Newcastle University, Newcastle upon Tyne NE1 7RU, UK. ; 1] Fisheries Ecology Research Lab, Department of Biology, University of Hawaii, Honolulu, Hawaii 96822, USA [2] Pristine Seas-National Geographic, Washington DC 20036, USA. ; Wildlife Conservation Society, Marine Programs, Bronx, New York 10460, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25855298" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biodiversity ; Biomass ; Conservation of Natural Resources/*methods/statistics & numerical data/*trends ; *Coral Reefs ; *Ecosystem ; Fisheries/*methods/standards/*statistics & numerical data ; Fishes/*physiology ; Herbivory ; Population Dynamics ; Predatory Behavior ; Time Factors
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    Surgeon commits misconduct (2015)
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    Publication Date: 2015-05-29
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cyranoski, David -- England -- Nature. 2015 May 28;521(7553):406-7. doi: 10.1038/nature.2015.17605.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26017424" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Bioartificial Organs ; Esophagus/surgery ; Humans ; Rats ; Research Personnel/*ethics ; *Scientific Misconduct/legislation & jurisprudence ; Stem Cell Transplantation/ethics ; Surgeons/*ethics ; Sweden ; Trachea/*surgery
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    Environment: phosphate mining risks atoll culture (2015)
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    Publication Date: 2015-06-13
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Magnan, Alexandre -- Duvat, Virginie -- England -- Nature. 2015 Jun 11;522(7555):156. doi: 10.1038/522156b.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute for Sustainable Development and International Relations (IDDRI), Sciences Po, Paris, France. ; Littoral, Environment and Societies Research Unit (LIENSs, UMR 7266), University of La Rochelle and CNRS, La Rochelle, France.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26062500" target="_blank"〉PubMed〈/a〉
    Keywords: Agriculture ; Animals ; Anthozoa ; *Ecosystem ; Fisheries ; Mining/*legislation & jurisprudence ; Pacific Ocean ; Phosphates/*isolation & purification ; Polynesia
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    Conformational dynamics of a class C G-protein-coupled receptor (2015)
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    Publication Date: 2015-08-11
    Description: G-protein-coupled receptors (GPCRs) constitute the largest family of membrane receptors in eukaryotes. Crystal structures have provided insight into GPCR interactions with ligands and G proteins, but our understanding of the conformational dynamics of activation is incomplete. Metabotropic glutamate receptors (mGluRs) are dimeric class C GPCRs that modulate neuronal excitability, synaptic plasticity, and serve as drug targets for neurological disorders. A 'clamshell' ligand-binding domain (LBD), which contains the ligand-binding site, is coupled to the transmembrane domain via a cysteine-rich domain, and LBD closure seems to be the first step in activation. Crystal structures of isolated mGluR LBD dimers led to the suggestion that activation also involves a reorientation of the dimer interface from a 'relaxed' to an 'active' state, but the relationship between ligand binding, LBD closure and dimer interface rearrangement in activation remains unclear. Here we use single-molecule fluorescence resonance energy transfer to probe the activation mechanism of full-length mammalian group II mGluRs. We show that the LBDs interconvert between three conformations: resting, activated and a short-lived intermediate state. Orthosteric agonists induce transitions between these conformational states, with efficacy determined by occupancy of the active conformation. Unlike mGluR2, mGluR3 displays basal dynamics, which are Ca(2+)-dependent and lead to basal protein activation. Our results support a general mechanism for the activation of mGluRs in which agonist binding induces closure of the LBDs, followed by dimer interface reorientation. Our experimental strategy should be widely applicable to study conformational dynamics in GPCRs and other membrane proteins.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4597782/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4597782/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Vafabakhsh, Reza -- Levitz, Joshua -- Isacoff, Ehud Y -- 2PN2EY018241/EY/NEI NIH HHS/ -- PN2 EY018241/EY/NEI NIH HHS/ -- England -- Nature. 2015 Aug 27;524(7566):497-501. doi: 10.1038/nature14679. Epub 2015 Aug 10.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular and Cell Biology, University of California, Berkeley, California 94720, USA. ; Helen Wills Neuroscience Institute, University of California, Berkeley, California 94720, USA. ; Physical Bioscience Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26258295" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Binding Sites ; Drug Partial Agonism ; *Fluorescence Resonance Energy Transfer ; Humans ; Ligands ; Models, Biological ; Models, Molecular ; Protein Binding ; Protein Conformation ; Rats ; Receptors, Metabotropic Glutamate/*chemistry/*classification/genetics/metabolism
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    Optogenetic control of organelle transport and positioning (2015)
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    Publication Date: 2015-01-07
    Description: Proper positioning of organelles by cytoskeleton-based motor proteins underlies cellular events such as signalling, polarization and growth. For many organelles, however, the precise connection between position and function has remained unclear, because strategies to control intracellular organelle positioning with spatiotemporal precision are lacking. Here we establish optical control of intracellular transport by using light-sensitive heterodimerization to recruit specific cytoskeletal motor proteins (kinesin, dynein or myosin) to selected cargoes. We demonstrate that the motility of peroxisomes, recycling endosomes and mitochondria can be locally and repeatedly induced or stopped, allowing rapid organelle repositioning. We applied this approach in primary rat hippocampal neurons to test how local positioning of recycling endosomes contributes to axon outgrowth and found that dynein-driven removal of endosomes from axonal growth cones reversibly suppressed axon growth, whereas kinesin-driven endosome enrichment enhanced growth. Our strategy for optogenetic control of organelle positioning will be widely applicable to explore site-specific organelle functions in different model systems.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉van Bergeijk, Petra -- Adrian, Max -- Hoogenraad, Casper C -- Kapitein, Lukas C -- England -- Nature. 2015 Feb 5;518(7537):111-4. doi: 10.1038/nature14128. Epub 2015 Jan 7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Cell Biology, Department of Biology, Faculty of Science, Utrecht University, 3584 CH Utrecht, The Netherlands.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25561173" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Axons/physiology/radiation effects ; Biological Transport/radiation effects ; Cell Compartmentation/*physiology/radiation effects ; Cells, Cultured ; Cytoskeleton/metabolism/radiation effects ; Dendritic Spines/metabolism/radiation effects ; Dyneins/metabolism/radiation effects ; Endosomes/*metabolism/radiation effects ; Hippocampus/cytology ; Intracellular Space/metabolism/radiation effects ; Kinesin/metabolism/radiation effects ; Microtubules/metabolism/radiation effects ; Mitochondria/*metabolism/radiation effects ; Myosin Type V/metabolism/radiation effects ; Optogenetics/*methods ; Peroxisomes/*metabolism/radiation effects ; Rats
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    alpha-Synuclein strains cause distinct synucleinopathies after local and systemic administration (2015)
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    Publication Date: 2015-06-11
    Description: Misfolded protein aggregates represent a continuum with overlapping features in neurodegenerative diseases, but differences in protein components and affected brain regions. The molecular hallmark of synucleinopathies such as Parkinson's disease, dementia with Lewy bodies and multiple system atrophy are megadalton alpha-synuclein-rich deposits suggestive of one molecular event causing distinct disease phenotypes. Glial alpha-synuclein (alpha-SYN) filamentous deposits are prominent in multiple system atrophy and neuronal alpha-SYN inclusions are found in Parkinson's disease and dementia with Lewy bodies. The discovery of alpha-SYN assemblies with different structural characteristics or 'strains' has led to the hypothesis that strains could account for the different clinico-pathological traits within synucleinopathies. In this study we show that alpha-SYN strain conformation and seeding propensity lead to distinct histopathological and behavioural phenotypes. We assess the properties of structurally well-defined alpha-SYN assemblies (oligomers, ribbons and fibrils) after injection in rat brain. We prove that alpha-SYN strains amplify in vivo. Fibrils seem to be the major toxic strain, resulting in progressive motor impairment and cell death, whereas ribbons cause a distinct histopathological phenotype displaying Parkinson's disease and multiple system atrophy traits. Additionally, we show that alpha-SYN assemblies cross the blood-brain barrier and distribute to the central nervous system after intravenous injection. Our results demonstrate that distinct alpha-SYN strains display differential seeding capacities, inducing strain-specific pathology and neurotoxic phenotypes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Peelaerts, W -- Bousset, L -- Van der Perren, A -- Moskalyuk, A -- Pulizzi, R -- Giugliano, M -- Van den Haute, C -- Melki, R -- Baekelandt, V -- England -- Nature. 2015 Jun 18;522(7556):340-4. doi: 10.1038/nature14547. Epub 2015 Jun 10.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉KU Leuven, Laboratory for Neurobiology and Gene Therapy, Department of Neurosciences, 3000 Leuven, Belgium. ; Paris-Saclay Institute of Neuroscience, CNRS, Avenue de la Terrasse, 91198 Gif-sur-Yvette, France. ; Theoretical Neurobiology &Neuroengineering Laboratory, Department of Biomedical Sciences, University of Antwerp, 2610 Antwerp, Belgium. ; 1] Theoretical Neurobiology &Neuroengineering Laboratory, Department of Biomedical Sciences, University of Antwerp, 2610 Antwerp, Belgium [2] Department of Computer Science, University of Sheffield, S1 4DP Sheffield, UK [3] Brain Mind Institute, Swiss Federal Institute of Technology of Lausanne, 1015 Lausanne, Switzerland [4] Neuro-Electronics Research Flanders (NERF), 3001 Leuven, Belgium. ; 1] KU Leuven, Laboratory for Neurobiology and Gene Therapy, Department of Neurosciences, 3000 Leuven, Belgium [2] KU Leuven, Leuven Viral Vector Core, 3000 Leuven, Belgium.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26061766" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Blood-Brain Barrier ; Brain/drug effects/metabolism ; Female ; Humans ; Lewy Body Disease/*chemically induced/metabolism/pathology ; Multiple System Atrophy/*chemically induced/metabolism/pathology ; Parkinson Disease/metabolism/*pathology ; Phenotype ; Rats ; Rats, Wistar ; Substantia Nigra/drug effects/metabolism/pathology ; Synapses/metabolism/pathology ; alpha-Synuclein/*administration & dosage/chemistry/classification/*toxicity
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    Predicting climate-driven regime shifts versus rebound potential in coral reefs (2015)
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    Publication Date: 2015-01-22
    Description: Climate-induced coral bleaching is among the greatest current threats to coral reefs, causing widespread loss of live coral cover. Conditions under which reefs bounce back from bleaching events or shift from coral to algal dominance are unknown, making it difficult to predict and plan for differing reef responses under climate change. Here we document and predict long-term reef responses to a major climate-induced coral bleaching event that caused unprecedented region-wide mortality of Indo-Pacific corals. Following loss of 〉90% live coral cover, 12 of 21 reefs recovered towards pre-disturbance live coral states, while nine reefs underwent regime shifts to fleshy macroalgae. Functional diversity of associated reef fish communities shifted substantially following bleaching, returning towards pre-disturbance structure on recovering reefs, while becoming progressively altered on regime shifting reefs. We identified threshold values for a range of factors that accurately predicted ecosystem response to the bleaching event. Recovery was favoured when reefs were structurally complex and in deeper water, when density of juvenile corals and herbivorous fishes was relatively high and when nutrient loads were low. Whether reefs were inside no-take marine reserves had no bearing on ecosystem trajectory. Although conditions governing regime shift or recovery dynamics were diverse, pre-disturbance quantification of simple factors such as structural complexity and water depth accurately predicted ecosystem trajectories. These findings foreshadow the likely divergent but predictable outcomes for reef ecosystems in response to climate change, thus guiding improved management and adaptation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Graham, Nicholas A J -- Jennings, Simon -- MacNeil, M Aaron -- Mouillot, David -- Wilson, Shaun K -- England -- Nature. 2015 Feb 5;518(7537):94-7. doi: 10.1038/nature14140. Epub 2015 Jan 14.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Australian Research Council Centre of Excellence for Coral Reef Studies, James Cook University, Townsville, Queensland 4811 Australia. ; 1] Centre for Environment, Fisheries and Aquaculture Science, Pakefield Road, Lowestoft NR33 OHT, UK [2] School of Environmental Sciences, University of East Anglia, Norwich NR4 7TJ, UK. ; 1] Australian Research Council Centre of Excellence for Coral Reef Studies, James Cook University, Townsville, Queensland 4811 Australia [2] Australian Institute of Marine Science, PMB 3 Townsville MC, Townsville, Queensland 4810, Australia. ; 1] Australian Research Council Centre of Excellence for Coral Reef Studies, James Cook University, Townsville, Queensland 4811 Australia [2] ECOSYM, UMR CNRS-UM2 5119, Universite Montpellier 2, 34095 Montpellier Cedex, France. ; 1] Department of Parks and Wildlife, Kensington, Perth, Western Australia 6151, Australia [2] School of Plant Biology, Oceans Institute, University of Western Australia, Crawley, Western Australia 6009, Australia.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25607371" target="_blank"〉PubMed〈/a〉
    Keywords: Acclimatization ; Animals ; Anthozoa/*growth & development/*physiology ; Biodiversity ; *Climate Change ; *Coral Reefs ; *Ecosystem ; Fishes/physiology ; Indian Ocean ; Pacific Ocean ; Population Dynamics ; Seawater/analysis ; Seaweed/physiology ; Seychelles ; Symbiosis ; Tropical Climate
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    Climate science: The future of coastal ocean upwelling (2015)
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    Publication Date: 2015-02-20
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Di Lorenzo, Emanuele -- England -- Nature. 2015 Feb 19;518(7539):310-1. doi: 10.1038/518310a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉School of Earth and Atmospheric Sciences, Georgia Institute of Technology, Atlanta, Georgia 30332-0340, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25693560" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Climate Change ; *Ecosystem ; *Water Movements
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    The zinc transporter ZIP12 regulates the pulmonary vascular response to chronic hypoxia (2015)
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    Publication Date: 2015-08-11
    Description: The typical response of the adult mammalian pulmonary circulation to a low oxygen environment is vasoconstriction and structural remodelling of pulmonary arterioles, leading to chronic elevation of pulmonary artery pressure (pulmonary hypertension) and right ventricular hypertrophy. Some mammals, however, exhibit genetic resistance to hypoxia-induced pulmonary hypertension. We used a congenic breeding program and comparative genomics to exploit this variation in the rat and identified the gene Slc39a12 as a major regulator of hypoxia-induced pulmonary vascular remodelling. Slc39a12 encodes the zinc transporter ZIP12. Here we report that ZIP12 expression is increased in many cell types, including endothelial, smooth muscle and interstitial cells, in the remodelled pulmonary arterioles of rats, cows and humans susceptible to hypoxia-induced pulmonary hypertension. We show that ZIP12 expression in pulmonary vascular smooth muscle cells is hypoxia dependent and that targeted inhibition of ZIP12 inhibits the rise in intracellular labile zinc in hypoxia-exposed pulmonary vascular smooth muscle cells and their proliferation in culture. We demonstrate that genetic disruption of ZIP12 expression attenuates the development of pulmonary hypertension in rats housed in a hypoxic atmosphere. This new and unexpected insight into the fundamental role of a zinc transporter in mammalian pulmonary vascular homeostasis suggests a new drug target for the pharmacological management of pulmonary hypertension.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zhao, Lan -- Oliver, Eduardo -- Maratou, Klio -- Atanur, Santosh S -- Dubois, Olivier D -- Cotroneo, Emanuele -- Chen, Chien-Nien -- Wang, Lei -- Arce, Cristina -- Chabosseau, Pauline L -- Ponsa-Cobas, Joan -- Frid, Maria G -- Moyon, Benjamin -- Webster, Zoe -- Aldashev, Almaz -- Ferrer, Jorge -- Rutter, Guy A -- Stenmark, Kurt R -- Aitman, Timothy J -- Wilkins, Martin R -- 098424/Wellcome Trust/United Kingdom -- 101033/Wellcome Trust/United Kingdom -- MR/J0003042/1/Medical Research Council/United Kingdom -- P01 HL014985/HL/NHLBI NIH HHS/ -- PG/04/035/16912/British Heart Foundation/United Kingdom -- PG/10/59/28478/British Heart Foundation/United Kingdom -- PG/12/61/29818/British Heart Foundation/United Kingdom -- PG/2000137/British Heart Foundation/United Kingdom -- PG/95170/British Heart Foundation/United Kingdom -- PG/98018/British Heart Foundation/United Kingdom -- RG/10/16/28575/British Heart Foundation/United Kingdom -- WT098424AIA/Wellcome Trust/United Kingdom -- England -- Nature. 2015 Aug 20;524(7565):356-60. doi: 10.1038/nature14620. Epub 2015 Aug 10.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Centre for Pharmacology and Therapeutics, Division of Experimental Medicine, Imperial College London, Hammersmith Hospital, London W12 0NN, UK. ; Physiological Genomics and Medicine Group, Medical Research Council Clinical Sciences Centre, Hammersmith Hospital, London W12 0NN, UK. ; Section of Epigenomics and Disease, Department of Medicine, Faculty of Medicine, Imperial College London, Hammersmith Hospital, London W12 0NN, UK. ; Department of Pediatrics and Medicine, Division of Critical Care Medicine and Cardiovascular Pulmonary Research Laboratories, University of Colorado Denver, Denver, Colorado 80045, USA. ; Transgenics and Embryonic Stem Cell Laboratory, Medical Research Council Clinical Sciences Centre, Hammersmith Hospital, London W12 0NN, UK. ; Institute of Molecular Biology and Medicine, 3 Togolok Moldo Street, Bishkek 720040, Kyrgyzstan. ; Section of Cell Biology and Functional Genomics, Division of Diabetes, Endocrinology and Metabolism, Imperial College London, Hammersmith Hospital, London W12 0NN, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26258299" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Animals, Congenic ; Anoxia/genetics/*metabolism ; Arterioles/metabolism ; Cation Transport Proteins/deficiency/genetics/*metabolism ; Cattle ; Cell Hypoxia ; Cell Proliferation ; Cells, Cultured ; Chromosomes, Mammalian/genetics ; Chronic Disease ; Female ; Gene Knockdown Techniques ; Homeostasis ; Humans ; Hypertension, Pulmonary/genetics/*metabolism ; Intracellular Space/metabolism ; Male ; Muscle, Smooth, Vascular/cytology/*metabolism ; Rats ; Rats, Inbred F344 ; Rats, Inbred WKY ; Zinc/metabolism
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    Mechanistic insights into the recycling machine of the SNARE complex (2015)
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    Publication Date: 2015-01-13
    Description: Evolutionarily conserved SNARE (soluble N-ethylmaleimide sensitive factor attachment protein receptors) proteins form a complex that drives membrane fusion in eukaryotes. The ATPase NSF (N-ethylmaleimide sensitive factor), together with SNAPs (soluble NSF attachment protein), disassembles the SNARE complex into its protein components, making individual SNAREs available for subsequent rounds of fusion. Here we report structures of ATP- and ADP-bound NSF, and the NSF/SNAP/SNARE (20S) supercomplex determined by single-particle electron cryomicroscopy at near-atomic to sub-nanometre resolution without imposing symmetry. Large, potentially force-generating, conformational differences exist between ATP- and ADP-bound NSF. The 20S supercomplex exhibits broken symmetry, transitioning from six-fold symmetry of the NSF ATPase domains to pseudo four-fold symmetry of the SNARE complex. SNAPs interact with the SNARE complex with an opposite structural twist, suggesting an unwinding mechanism. The interfaces between NSF, SNAPs, and SNAREs exhibit characteristic electrostatic patterns, suggesting how one NSF/SNAP species can act on many different SNARE complexes.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4320033/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4320033/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zhao, Minglei -- Wu, Shenping -- Zhou, Qiangjun -- Vivona, Sandro -- Cipriano, Daniel J -- Cheng, Yifan -- Brunger, Axel T -- 5-U01AI082051-05/AI/NIAID NIH HHS/ -- P50 GM082250/GM/NIGMS NIH HHS/ -- P50GM082250/GM/NIGMS NIH HHS/ -- R01 GM082893/GM/NIGMS NIH HHS/ -- R01 GM098672/GM/NIGMS NIH HHS/ -- R01GM082893/GM/NIGMS NIH HHS/ -- R01GM098672/GM/NIGMS NIH HHS/ -- R37 MH063105/MH/NIMH NIH HHS/ -- R37MH63105/MH/NIMH NIH HHS/ -- Howard Hughes Medical Institute/ -- England -- Nature. 2015 Feb 5;518(7537):61-7. doi: 10.1038/nature14148. Epub 2015 Jan 12.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular and Cellular Physiology, Howard Hughes Medical Institute, Stanford University, Stanford, California 94305, USA. ; Keck Advanced Microscopy Laboratory, Department of Biochemistry and Biophysics, University of California, San Francisco, California 94158, USA. ; 1] Department of Molecular and Cellular Physiology, Howard Hughes Medical Institute, Stanford University, Stanford, California 94305, USA [2] Department of Neurology and Neurological Sciences, Department of Structural Biology, Department of Photon Science, Stanford University, Stanford, California 94305, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25581794" target="_blank"〉PubMed〈/a〉
    Keywords: Adenosine Diphosphate/metabolism ; Adenosine Triphosphate/metabolism ; Animals ; Cricetulus ; Cryoelectron Microscopy ; Models, Molecular ; Multiprotein Complexes/*chemistry/*metabolism/ultrastructure ; N-Ethylmaleimide-Sensitive Proteins/chemistry/metabolism/ultrastructure ; Protein Binding ; Protein Structure, Tertiary ; Rats ; SNARE Proteins/*chemistry/*metabolism/ultrastructure ; Soluble N-Ethylmaleimide-Sensitive Factor Attachment ; Proteins/chemistry/metabolism/ultrastructure
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    Business: The billion-dollar biotech (2015)
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    Publication Date: 2015-06-05
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Dolgin, Elie -- England -- Nature. 2015 Jun 4;522(7554):26-8. doi: 10.1038/522026a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26040878" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biotechnology/*economics/trends ; Drug Industry/*economics/trends ; Erythropoietin/biosynthesis/genetics ; Humans ; Massachusetts ; Mice ; Patents as Topic ; Primates ; *RNA, Messenger/administration & dosage/biosynthesis/genetics ; Rats
    Print ISSN: 0028-0836
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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    A temporal shift in the circuits mediating retrieval of fear memory (2015)
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    Publication Date: 2015-01-21
    Description: Fear memories allow animals to avoid danger, thereby increasing their chances of survival. Fear memories can be retrieved long after learning, but little is known about how retrieval circuits change with time. Here we show that the dorsal midline thalamus of rats is required for the retrieval of auditory conditioned fear at late (24 hours, 7 days, 28 days), but not early (0.5 hours, 6 hours) time points after learning. Consistent with this, the paraventricular nucleus of the thalamus (PVT), a subregion of the dorsal midline thalamus, showed increased c-Fos expression only at late time points, indicating that the PVT is gradually recruited for fear retrieval. Accordingly, the conditioned tone responses of PVT neurons increased with time after training. The prelimbic (PL) prefrontal cortex, which is necessary for fear retrieval, sends dense projections to the PVT. Retrieval at late time points activated PL neurons projecting to the PVT, and optogenetic silencing of these projections impaired retrieval at late, but not early, time points. In contrast, silencing of PL inputs to the basolateral amygdala impaired retrieval at early, but not late, time points, indicating a time-dependent shift in retrieval circuits. Retrieval at late time points also activated PVT neurons projecting to the central nucleus of the amygdala, and silencing these projections at late, but not early, time points induced a persistent attenuation of fear. Thus, the PVT may act as a crucial thalamic node recruited into cortico-amygdalar networks for retrieval and maintenance of long-term fear memories.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4376623/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4376623/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Do-Monte, Fabricio H -- Quinones-Laracuente, Kelvin -- Quirk, Gregory J -- G12 MD007600/MD/NIMHD NIH HHS/ -- K99 MH105549/MH/NIMH NIH HHS/ -- P50 MH086400/MH/NIMH NIH HHS/ -- P50-MH086400/MH/NIMH NIH HHS/ -- R01-MH058883/MH/NIMH NIH HHS/ -- R25 GM061838/GM/NIGMS NIH HHS/ -- R25-GM061838/GM/NIGMS NIH HHS/ -- R37 MH058883/MH/NIMH NIH HHS/ -- England -- Nature. 2015 Mar 26;519(7544):460-3. doi: 10.1038/nature14030. Epub 2015 Jan 19.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉1] Department of Psychiatry, University of Puerto Rico School of Medicine, PO Box 365067, San Juan 00936, Puerto Rico [2] Department of Anatomy &Neurobiology, University of Puerto Rico School of Medicine, P.O. Box 365067, San Juan 00936, Puerto Rico.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25600268" target="_blank"〉PubMed〈/a〉
    Keywords: Amygdala/cytology/physiology ; Animals ; Conditioning (Psychology)/physiology ; Fear/*physiology ; Male ; Memory/*physiology ; Neural Pathways/cytology/*physiology ; Neurons/physiology ; Optogenetics ; Prefrontal Cortex/cytology/physiology ; Proto-Oncogene Proteins c-fos/metabolism ; Rats ; Rats, Sprague-Dawley ; Thalamus/cytology/physiology ; Time Factors
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    Ageing research: Blood to blood (2015)
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    Publication Date: 2015-01-23
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Scudellari, Megan -- England -- Nature. 2015 Jan 22;517(7535):426-9. doi: 10.1038/517426a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25612035" target="_blank"〉PubMed〈/a〉
    Keywords: Aging/*blood ; Alzheimer Disease/blood/therapy ; Animals ; Blood Component Removal ; Blood Transfusion ; Bone Morphogenetic Proteins/pharmacology ; Caloric Restriction ; Clinical Trials as Topic ; Female ; Geriatrics/*methods ; Growth Differentiation Factors/pharmacology ; Humans ; Longevity/drug effects ; Male ; Memory/drug effects ; Mice ; Myoblasts, Skeletal/cytology/drug effects ; Neuronal Plasticity/drug effects ; Neurons/cytology/drug effects ; Oxytocin/metabolism/pharmacology ; Plasma/chemistry/physiology ; Rats ; Rejuvenation/*physiology ; Sirolimus/adverse effects/pharmacology
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    Finland: target for ecosystem repair is impractical (2015)
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    Publication Date: 2015-03-06
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kotiaho, Janne S -- England -- Nature. 2015 Mar 5;519(7541):33. doi: 10.1038/519033a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉University of Jyvaskyla, Finland.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25739622" target="_blank"〉PubMed〈/a〉
    Keywords: Biodiversity ; Conservation of Natural Resources/*methods/*statistics & numerical data ; *Ecosystem ; Finland ; Forestry/methods/statistics & numerical data ; Forests
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    Mining disaster: Restore habitats now (2015)
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    Publication Date: 2015-12-04
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Massante, Jhonny Capichoni -- England -- Nature. 2015 Dec 3;528(7580):39. doi: 10.1038/528039c.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Federal University Fluminense, Niteroi, Rio de Janeiro, Brazil.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26632581" target="_blank"〉PubMed〈/a〉
    Keywords: Biodiversity ; Cities ; *Disasters/prevention & control ; *Ecosystem ; Humans ; *Mining ; Rainforest ; Water Pollutants/*adverse effects ; Water Supply
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    Conservation: Giant tortoises hatch on Galapagos island (2015)
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    Publication Date: 2015-01-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Aguilera, Washington Tapia -- Malaga, Jeffreys -- Gibbs, James P -- England -- Nature. 2015 Jan 15;517(7534):271. doi: 10.1038/517271a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Galapagos Conservancy, Santa Cruz, Galapagos, Ecuador. ; Galapagos National Park, San Cristobal, Galapagos, Ecuador. ; State University of New York College of Environmental Science and Forestry, Syracuse, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25592525" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Conservation of Natural Resources ; Ecuador ; Population Dynamics ; Rats ; Reproduction/physiology ; Rodent Control ; Turtles/*physiology
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    Doubtful pathways to cold tolerance in plants (2015)
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    Publication Date: 2015-05-23
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Edwards, Erika J -- de Vos, Jurriaan M -- Donoghue, Michael J -- England -- Nature. 2015 May 21;521(7552):E5-6. doi: 10.1038/nature14393.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Ecology and Evolutionary Biology, Brown University, 80 Waterman St, Box G-W, Providence, Rhodes Island 02912, USA. ; Department of Ecology and Evolutionary Biology, Yale University, PO Box 208105, New Haven, Connecticut 06520, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25993970" target="_blank"〉PubMed〈/a〉
    Keywords: Angiosperms/*anatomy & histology/*physiology ; *Biological Evolution ; *Cold Climate ; *Ecosystem ; *Freezing ; Xylem/*anatomy & histology
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    Ecology: Recovering the potential of coral reefs (2015)
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    Publication Date: 2015-04-10
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Dulvy, Nicholas K -- Kindsvater, Holly K -- England -- Nature. 2015 Apr 16;520(7547):304-5. doi: 10.1038/nature14384. Epub 2015 Apr 8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biological Sciences, Simon Fraser University, Burnaby, British Columbia V5A 1S6, Canada.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25855291" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Conservation of Natural Resources/*methods/*trends ; *Coral Reefs ; *Ecosystem ; Fisheries/*methods/*statistics & numerical data ; Fishes/*physiology
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    Sustainable development goals: Monitor ecosystem services from space (2015)
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    Publication Date: 2015-09-04
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cord, Anna F -- Seppelt, Ralf -- Turner, Woody -- England -- Nature. 2015 Sep 3;525(7567):33. doi: 10.1038/525033a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Helmholtz Centre for Environmental Research (UFZ), Leipzig, Germany. ; NASA, Washington DC, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26333459" target="_blank"〉PubMed〈/a〉
    Keywords: Biodiversity ; Biofuels/supply & distribution ; Conservation of Natural Resources/*statistics & numerical data ; Ecology/*methods ; *Ecosystem ; Environmental Monitoring/instrumentation/*methods ; *Goals ; *Spacecraft ; United Nations
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    Grid cell symmetry is shaped by environmental geometry (2015)
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    Publication Date: 2015-02-13
    Description: Grid cells represent an animal's location by firing in multiple fields arranged in a striking hexagonal array. Such an impressive and constant regularity prompted suggestions that grid cells represent a universal and environmental-invariant metric for navigation. Originally the properties of grid patterns were believed to be independent of the shape of the environment and this notion has dominated almost all theoretical grid cell models. However, several studies indicate that environmental boundaries influence grid firing, though the strength, nature and longevity of this effect is unclear. Here we show that grid orientation, scale, symmetry and homogeneity are strongly and permanently affected by environmental geometry. We found that grid patterns orient to the walls of polarized enclosures such as squares, but not circles. Furthermore, the hexagonal grid symmetry is permanently broken in highly polarized environments such as trapezoids, the pattern being more elliptical and less homogeneous. Our results provide compelling evidence for the idea that environmental boundaries compete with the internal organization of the grid cell system to drive grid firing. Notably, grid cell activity is more local than previously thought and as a consequence cannot provide a universal spatial metric in all environments.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4576734/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4576734/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Krupic, Julija -- Bauza, Marius -- Burton, Stephen -- Barry, Caswell -- O'Keefe, John -- 101590/Wellcome Trust/United Kingdom -- Wellcome Trust/United Kingdom -- England -- Nature. 2015 Feb 12;518(7538):232-5. doi: 10.1038/nature14153.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Cell and Developmental Biology, University College London, London WC1E 6BT, UK. ; 1] Department of Cell and Developmental Biology, University College London, London WC1E 6BT, UK [2] Sainsbury Wellcome Centre, University College London, London WC1E 6BT, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25673417" target="_blank"〉PubMed〈/a〉
    Keywords: Action Potentials ; Animals ; Entorhinal Cortex/*cytology/physiology ; *Environment ; Male ; Models, Neurological ; Neurons/*cytology/physiology ; Orientation/*physiology ; Pattern Recognition, Visual/physiology ; Rats ; Rotation ; Space Perception/*physiology
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    Repeated ER-endosome contacts promote endosome translocation and neurite outgrowth (2015)
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    Publication Date: 2015-04-10
    Description: The main organelles of the secretory and endocytic pathways--the endoplasmic reticulum (ER) and endosomes, respectively--are connected through contact sites whose numbers increase as endosomes mature. One function of such sites is to enable dephosphorylation of the cytosolic tails of endosomal signalling receptors by an ER-associated phosphatase, whereas others serve to negatively control the association of endosomes with the minus-end-directed microtubule motor dynein or mediate endosome fission. Cholesterol transfer and Ca(2+) exchange have been proposed as additional functions of such sites. However, the compositions, activities and regulations of ER-endosome contact sites remain incompletely understood. Here we show in human and rat cell lines that protrudin, an ER protein that promotes protrusion and neurite outgrowth, forms contact sites with late endosomes (LEs) via coincident detection of the small GTPase RAB7 and phosphatidylinositol 3-phosphate (PtdIns(3)P). These contact sites mediate transfer of the microtubule motor kinesin 1 from protrudin to the motor adaptor FYCO1 on LEs. Repeated LE-ER contacts promote microtubule-dependent translocation of LEs to the cell periphery and subsequent synaptotagmin-VII-dependent fusion with the plasma membrane. Such fusion induces outgrowth of protrusions and neurites, which requires the abilities of protrudin and FYCO1 to interact with LEs and kinesin 1. Thus, protrudin-containing ER-LE contact sites are platforms for kinesin-1 loading onto LEs, and kinesin-1-mediated translocation of LEs to the plasma membrane, fuelled by repeated ER contacts, promotes protrusion and neurite outgrowth.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Raiborg, Camilla -- Wenzel, Eva M -- Pedersen, Nina M -- Olsvik, Hallvard -- Schink, Kay O -- Schultz, Sebastian W -- Vietri, Marina -- Nisi, Veronica -- Bucci, Cecilia -- Brech, Andreas -- Johansen, Terje -- Stenmark, Harald -- England -- Nature. 2015 Apr 9;520(7546):234-8. doi: 10.1038/nature14359.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉1] Centre for Cancer Biomedicine, Faculty of Medicine, University of Oslo, Montebello, N-0379 Oslo, Norway [2] Department of Molecular Cell Biology, Institute for Cancer Research, Oslo University Hospital, Montebello, N-0379 Oslo, Norway. ; Institute of Medical Biology, University of Tromso - The Arctic University of Norway, N-9037 Tromso, Norway. ; Department of Biological and Environmental Sciences and Technologies (DiSTeBA), University of Salento, Via Provinciale Monteroni 165, 73100 Lecce, Italy.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25855459" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Binding Sites ; Biological Transport ; Cell Line ; Cell Membrane/metabolism ; DNA-Binding Proteins/metabolism ; Endoplasmic Reticulum/*metabolism ; Endosomes/*metabolism ; HeLa Cells ; Humans ; Kinesin/metabolism ; Microtubules/metabolism ; Neurites/*metabolism ; Phosphatidylinositol Phosphates/metabolism ; Rats ; Synaptotagmins/metabolism ; Transcription Factors/metabolism ; Vesicular Transport Proteins/metabolism ; rab GTP-Binding Proteins/metabolism
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    Gating machinery of InsP3R channels revealed by electron cryomicroscopy (2015)
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    Publication Date: 2015-10-13
    Description: Inositol-1,4,5-trisphosphate receptors (InsP3Rs) are ubiquitous ion channels responsible for cytosolic Ca(2+) signalling and essential for a broad array of cellular processes ranging from contraction to secretion, and from proliferation to cell death. Despite decades of research on InsP3Rs, a mechanistic understanding of their structure-function relationship is lacking. Here we present the first, to our knowledge, near-atomic (4.7 A) resolution electron cryomicroscopy structure of the tetrameric mammalian type 1 InsP3R channel in its apo-state. At this resolution, we are able to trace unambiguously approximately 85% of the protein backbone, allowing us to identify the structural elements involved in gating and modulation of this 1.3-megadalton channel. Although the central Ca(2+)-conduction pathway is similar to other ion channels, including the closely related ryanodine receptor, the cytosolic carboxy termini are uniquely arranged in a left-handed alpha-helical bundle, directly interacting with the amino-terminal domains of adjacent subunits. This configuration suggests a molecular mechanism for allosteric regulation of channel gating by intracellular signals.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fan, Guizhen -- Baker, Matthew L -- Wang, Zhao -- Baker, Mariah R -- Sinyagovskiy, Pavel A -- Chiu, Wah -- Ludtke, Steven J -- Serysheva, Irina I -- P41 GM103832/GM/NIGMS NIH HHS/ -- P41GM103832/GM/NIGMS NIH HHS/ -- R01 GM072804/GM/NIGMS NIH HHS/ -- R01 GM079429/GM/NIGMS NIH HHS/ -- R01 GM080139/GM/NIGMS NIH HHS/ -- R01GM072804/GM/NIGMS NIH HHS/ -- R01GM079429/GM/NIGMS NIH HHS/ -- R01GM080139/GM/NIGMS NIH HHS/ -- R21 AR063255/AR/NIAMS NIH HHS/ -- R21 GM100229/GM/NIGMS NIH HHS/ -- R21AR063255/AR/NIAMS NIH HHS/ -- R21GM100229/GM/NIGMS NIH HHS/ -- S10 OD016279/OD/NIH HHS/ -- S10OD016279/OD/NIH HHS/ -- England -- Nature. 2015 Nov 19;527(7578):336-41. doi: 10.1038/nature15249. Epub 2015 Oct 12.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry and Molecular Biology, Structural Biology Imaging Center, The University of Texas Medical School at Houston, 6431 Fannin Street, Houston, Texas 77030, USA. ; National Center for Macromolecular Imaging, Verna and Marrs McLean Department of Biochemistry and Molecular Biology, Baylor College of Medicine, One Baylor Plaza, Houston, Texas 77030, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26458101" target="_blank"〉PubMed〈/a〉
    Keywords: Allosteric Regulation ; Animals ; Apoproteins/chemistry/metabolism/ultrastructure ; Calcium/metabolism ; Calcium Signaling ; *Cryoelectron Microscopy ; Cytosol/chemistry/metabolism ; Inositol 1,4,5-Trisphosphate Receptors/chemistry/*metabolism/*ultrastructure ; Ion Channel Gating ; Models, Molecular ; Protein Folding ; Protein Structure, Quaternary ; Protein Structure, Secondary ; Protein Structure, Tertiary ; Protein Subunits/chemistry/metabolism ; Rats ; Ryanodine Receptor Calcium Release Channel/chemistry/metabolism
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    Genetics: No more addictive personality (2015)
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    Publication Date: 2015-06-25
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Szalavitz, Maia -- England -- Nature. 2015 Jun 25;522(7557):S48-9. doi: 10.1038/522S48a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26107094" target="_blank"〉PubMed〈/a〉
    Keywords: Alcoholism/complications/genetics ; Aldehyde Dehydrogenase/genetics ; Animals ; Antisocial Personality Disorder/complications/genetics ; Anxiety/complications/genetics ; Behavior, Addictive/enzymology/*genetics/metabolism/*psychology ; Cocaine/administration & dosage/adverse effects ; Epigenesis, Genetic/genetics ; Humans ; Metabolism/genetics ; Methyl-CpG-Binding Protein 2/genetics ; Mice ; Nerve Tissue Proteins/genetics ; Personality ; *Precision Medicine/trends ; Rats ; Receptors, Nicotinic/genetics ; Serotonin Plasma Membrane Transport Proteins/genetics/metabolism ; Stress Disorders, Traumatic/genetics/psychology ; Substance-Related Disorders/complications/genetics ; Temperament ; Tobacco Use Disorder/genetics
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    Microbiology: Taking the bad with the good (2015)
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    Publication Date: 2015-05-21
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bergstrom, Carl T -- Kerr, Benjamin -- England -- Nature. 2015 May 28;521(7553):431-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25992542" target="_blank"〉PubMed〈/a〉
    Keywords: Anti-Bacterial Agents/*biosynthesis/*metabolism ; *Ecosystem ; *Models, Biological ; *Soil Microbiology
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    Environment: Polluters migrate to China's poor areas (2015)
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    Publication Date: 2015-02-27
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Miao, Xin -- Tang, Yanhong -- Wong, Christina W Y -- England -- Nature. 2015 Feb 26;518(7540):483. doi: 10.1038/518483d.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Harbin Institute of Technology, Harbin, China. ; Northeast Agricultural University, Harbin, China. ; The Hong Kong Polytechnic University, Kowloon, Hong Kong.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25719657" target="_blank"〉PubMed〈/a〉
    Keywords: China ; *Ecosystem ; Environmental Policy/economics/*legislation & jurisprudence ; Environmental Pollution/*analysis/economics/*legislation & ; jurisprudence/prevention & control ; Human Migration ; Industrial Waste/analysis/economics/legislation & jurisprudence ; Industry/*legislation & jurisprudence/trends ; *Poverty
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    'Organs-on-chips' go mainstream (2015)
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    Publication Date: 2015-07-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Reardon, Sara -- England -- Nature. 2015 Jul 16;523(7560):266. doi: 10.1038/523266a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26178942" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biotechnology/methods ; Clinical Trials as Topic ; Drug Discovery/*methods ; Drug Industry/*methods ; Humans ; *Models, Biological ; Organ Specificity/*drug effects ; Rats ; Reproducibility of Results ; Tissue Array Analysis/*methods
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    Pharmacotherapy: Quest for the quitting pill (2015)
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    Publication Date: 2015-06-25
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Willyard, Cassandra -- England -- Nature. 2015 Jun 25;522(7557):S53-5. doi: 10.1038/522S53a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26107096" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Behavior, Addictive/*drug therapy/immunology/*psychology ; Buprenorphine/therapeutic use ; Buprenorphine, Naloxone Drug Combination ; Clinical Trials as Topic ; Cocaine-Related Disorders/drug therapy/immunology/psychology ; Counseling ; Dopamine/metabolism ; *Drug Discovery/economics ; Drug Industry/economics ; Humans ; Ibogaine/analogs & derivatives/pharmacology/therapeutic use ; Lobeline/therapeutic use ; Molecular Targeted Therapy ; Naloxone/therapeutic use ; Naltrexone/therapeutic use ; Oligopeptides/pharmacology/therapeutic use ; Opioid-Related Disorders/drug therapy/immunology/psychology ; Pleasure/*drug effects/physiology ; Rats ; Receptors, Nicotinic/metabolism ; *Reward ; Substance-Related Disorders/*drug therapy/immunology/*psychology ; Tobacco Use Disorder/drug therapy/immunology ; Vaccines/administration & dosage/immunology/therapeutic use ; Vesicular Monoamine Transport Proteins/metabolism
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    Epicardial FSTL1 reconstitution regenerates the adult mammalian heart (2015)
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    Publication Date: 2015-09-17
    Description: The elucidation of factors that activate the regeneration of the adult mammalian heart is of major scientific and therapeutic importance. Here we found that epicardial cells contain a potent cardiogenic activity identified as follistatin-like 1 (Fstl1). Epicardial Fstl1 declines following myocardial infarction and is replaced by myocardial expression. Myocardial Fstl1 does not promote regeneration, either basally or upon transgenic overexpression. Application of the human Fstl1 protein (FSTL1) via an epicardial patch stimulates cell cycle entry and division of pre-existing cardiomyocytes, improving cardiac function and survival in mouse and swine models of myocardial infarction. The data suggest that the loss of epicardial FSTL1 is a maladaptive response to injury, and that its restoration would be an effective way to reverse myocardial death and remodelling following myocardial infarction in humans.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4762253/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4762253/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wei, Ke -- Serpooshan, Vahid -- Hurtado, Cecilia -- Diez-Cunado, Marta -- Zhao, Mingming -- Maruyama, Sonomi -- Zhu, Wenhong -- Fajardo, Giovanni -- Noseda, Michela -- Nakamura, Kazuto -- Tian, Xueying -- Liu, Qiaozhen -- Wang, Andrew -- Matsuura, Yuka -- Bushway, Paul -- Cai, Wenqing -- Savchenko, Alex -- Mahmoudi, Morteza -- Schneider, Michael D -- van den Hoff, Maurice J B -- Butte, Manish J -- Yang, Phillip C -- Walsh, Kenneth -- Zhou, Bin -- Bernstein, Daniel -- Mercola, Mark -- Ruiz-Lozano, Pilar -- 5UM1 HL113456/HL/NHLBI NIH HHS/ -- HL065484/HL/NHLBI NIH HHS/ -- HL108176/HL/NHLBI NIH HHS/ -- HL113601/HL/NHLBI NIH HHS/ -- HL116591/HL/NHLBI NIH HHS/ -- K08 AI079268/AI/NIAID NIH HHS/ -- P01 HL098053/HL/NHLBI NIH HHS/ -- P30 AR061303/AR/NIAMS NIH HHS/ -- P30 CA030199/CA/NCI NIH HHS/ -- R01 HL086879/HL/NHLBI NIH HHS/ -- R01 HL113601/HL/NHLBI NIH HHS/ -- UM1 HL113456/HL/NHLBI NIH HHS/ -- England -- Nature. 2015 Sep 24;525(7570):479-85. doi: 10.1038/nature15372. Epub 2015 Sep 16.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Bioengineering, University of California, San Diego, La Jolla, California 92037, USA. ; Sanford-Burnham-Prebys Medical Discovery Institute, 10901 N. Torrey Pines Road, La Jolla, California 92037, USA. ; Stanford Cardiovascular Institute and Department of Pediatrics, Stanford University School of Medicine, 300 Pasteur Drive, Stanford, California 94305, USA. ; Whitaker Cardiovascular Institute, Boston University School of Medicine, Boston, Massachusetts 02118, USA. ; Imperial College London, Faculty of Medicine, Imperial Centre for Translational and Experimental Medicine, Du Cane Road, London W12 0NN, UK. ; Key Laboratory of Nutrition and Metabolism, Institute for Nutritional Sciences, and Shanghai Institutes for Biological Sciences, Graduate School of the Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai 200031, China. ; Nanotechnology Research Center, Faculty of Pharmacy, Tehran University of Medical Sciences, 1417613151 Tehran, Iran. ; Academic Medical Center. Dept Anatomy, Embryology and Physiology. Meibergdreef 15. 1105AZ Amsterdam, The Netherlands. ; CAS Center for Excellence in Brain Science, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai 200031, China.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26375005" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Cycle/drug effects ; Cell Proliferation/drug effects ; Culture Media, Conditioned/pharmacology ; Female ; Follistatin-Related Proteins/genetics/*metabolism ; Humans ; Male ; Mice ; Myoblasts, Cardiac/cytology/drug effects ; Myocardial Infarction/genetics/metabolism/pathology/physiopathology ; Myocardium/*metabolism ; Myocytes, Cardiac/cytology/drug effects/metabolism ; Pericardium/cytology/drug effects/*growth & development/*metabolism ; Rats ; *Regeneration/drug effects ; Signal Transduction ; Swine ; Transgenes/genetics
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    Microbiology: Inflammatory evidence (2015)
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    Publication Date: 2015-12-18
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Weir, Kirsten -- England -- Nature. 2015 Dec 17;528(7582):S130-1. doi: 10.1038/528S130a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26672786" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Proliferation ; Chronic Disease/prevention & control/therapy ; DNA Damage ; Growth Differentiation Factor 15/metabolism ; Humans ; Inflammation/*complications/microbiology/pathology/therapy ; Male ; Mice ; Oxidative Stress ; Prostatic Neoplasms/*etiology/microbiology/*pathology/prevention & control ; Prostatitis/*complications/microbiology/pathology/therapy ; Rats
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    Ultrafast ultrasound localization microscopy for deep super-resolution vascular imaging (2015)
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    Publication Date: 2015-11-27
    Description: Non-invasive imaging deep into organs at microscopic scales remains an open quest in biomedical imaging. Although optical microscopy is still limited to surface imaging owing to optical wave diffusion and fast decorrelation in tissue, revolutionary approaches such as fluorescence photo-activated localization microscopy led to a striking increase in resolution by more than an order of magnitude in the last decade. In contrast with optics, ultrasonic waves propagate deep into organs without losing their coherence and are much less affected by in vivo decorrelation processes. However, their resolution is impeded by the fundamental limits of diffraction, which impose a long-standing trade-off between resolution and penetration. This limits clinical and preclinical ultrasound imaging to a sub-millimetre scale. Here we demonstrate in vivo that ultrasound imaging at ultrafast frame rates (more than 500 frames per second) provides an analogue to optical localization microscopy by capturing the transient signal decorrelation of contrast agents--inert gas microbubbles. Ultrafast ultrasound localization microscopy allowed both non-invasive sub-wavelength structural imaging and haemodynamic quantification of rodent cerebral microvessels (less than ten micrometres in diameter) more than ten millimetres below the tissue surface, leading to transcranial whole-brain imaging within short acquisition times (tens of seconds). After intravenous injection, single echoes from individual microbubbles were detected through ultrafast imaging. Their localization, not limited by diffraction, was accumulated over 75,000 images, yielding 1,000,000 events per coronal plane and statistically independent pixels of ten micrometres in size. Precise temporal tracking of microbubble positions allowed us to extract accurately in-plane velocities of the blood flow with a large dynamic range (from one millimetre per second to several centimetres per second). These results pave the way for deep non-invasive microscopy in animals and humans using ultrasound. We anticipate that ultrafast ultrasound localization microscopy may become an invaluable tool for the fundamental understanding and diagnostics of various disease processes that modify the microvascular blood flow, such as cancer, stroke and arteriosclerosis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Errico, Claudia -- Pierre, Juliette -- Pezet, Sophie -- Desailly, Yann -- Lenkei, Zsolt -- Couture, Olivier -- Tanter, Mickael -- England -- Nature. 2015 Nov 26;527(7579):499-502. doi: 10.1038/nature16066.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉INSERM, Institut Langevin, 1 rue Jussieu, 75005 Paris, France. ; Institut Langevin, ESPCI-ParisTech, PSL Research University, 1 rue Jussieu, 75005 Paris, France. ; CNRS UMR 7587, 1 rue Jussieu, 75005 Paris, France. ; CNRS, UMR 8249, 10 rue Vauquelin, 75005 Paris, France. ; Brain Plasticity Unit, ESPCI-ParisTech, PSL Research University, 10 rue Vauquelin, 75005 Paris, France.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26607546" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Brain/*blood supply/cytology ; Contrast Media ; Male ; Microbubbles ; Microscopy/*methods ; *Microvessels ; Molecular Imaging/*methods ; Optics and Photonics ; Rats ; Rats, Sprague-Dawley ; Time Factors ; Ultrasonics/*methods
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    Shearing-induced asymmetry in entorhinal grid cells (2015)
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    Publication Date: 2015-02-13
    Description: Grid cells are neurons with periodic spatial receptive fields (grids) that tile two-dimensional space in a hexagonal pattern. To provide useful information about location, grids must be stably anchored to an external reference frame. The mechanisms underlying this anchoring process have remained elusive. Here we show in differently sized familiar square enclosures that the axes of the grids are offset from the walls by an angle that minimizes symmetry with the borders of the environment. This rotational offset is invariably accompanied by an elliptic distortion of the grid pattern. Reversing the ellipticity analytically by a shearing transformation removes the angular offset. This, together with the near-absence of rotation in novel environments, suggests that the rotation emerges through non-coaxial strain as a function of experience. The systematic relationship between rotation and distortion of the grid pattern points to shear forces arising from anchoring to specific geometric reference points as key elements of the mechanism for alignment of grid patterns to the external world.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stensola, Tor -- Stensola, Hanne -- Moser, May-Britt -- Moser, Edvard I -- England -- Nature. 2015 Feb 12;518(7538):207-12. doi: 10.1038/nature14151.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Kavli Institute for Systems Neuroscience and Centre for Neural Computation, Norwegian University of Science and Technology, Olav Kyrres gate 9, 7491 Trondheim, Norway.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25673414" target="_blank"〉PubMed〈/a〉
    Keywords: Action Potentials ; Animals ; Brain Mapping ; Entorhinal Cortex/*cytology/physiology ; *Environment ; Male ; Models, Neurological ; Neurons/cytology/*physiology ; Orientation/*physiology ; Pattern Recognition, Visual/*physiology ; Rats ; Rats, Long-Evans ; Rotation ; Space Perception/*physiology ; Time Factors
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    Parched California (2015)
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    Publication Date: 2015-09-04
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉England -- Nature. 2015 Sep 3;525(7567):5. doi: 10.1038/525005b.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26333434" target="_blank"〉PubMed〈/a〉
    Keywords: Agricultural Irrigation/methods/trends ; Animals ; Birds ; California ; Droughts/*statistics & numerical data ; Ecology/methods/*trends ; *Ecosystem ; Fires ; Fishes ; Groundwater/analysis ; *Water Supply/analysis/statistics & numerical data ; Wetlands
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    Nanoparticle biointerfacing by platelet membrane cloaking (2015)
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    Publication Date: 2015-09-17
    Description: Development of functional nanoparticles can be encumbered by unanticipated material properties and biological events, which can affect nanoparticle effectiveness in complex, physiologically relevant systems. Despite the advances in bottom-up nanoengineering and surface chemistry, reductionist functionalization approaches remain inadequate in replicating the complex interfaces present in nature and cannot avoid exposure of foreign materials. Here we report on the preparation of polymeric nanoparticles enclosed in the plasma membrane of human platelets, which are a unique population of cellular fragments that adhere to a variety of disease-relevant substrates. The resulting nanoparticles possess a right-side-out unilamellar membrane coating functionalized with immunomodulatory and adhesion antigens associated with platelets. Compared to uncoated particles, the platelet membrane-cloaked nanoparticles have reduced cellular uptake by macrophage-like cells and lack particle-induced complement activation in autologous human plasma. The cloaked nanoparticles also display platelet-mimicking properties such as selective adhesion to damaged human and rodent vasculatures as well as enhanced binding to platelet-adhering pathogens. In an experimental rat model of coronary restenosis and a mouse model of systemic bacterial infection, docetaxel and vancomycin, respectively, show enhanced therapeutic efficacy when delivered by the platelet-mimetic nanoparticles. The multifaceted biointerfacing enabled by the platelet membrane cloaking method provides a new approach in developing functional nanoparticles for disease-targeted delivery.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hu, Che-Ming J -- Fang, Ronnie H -- Wang, Kuei-Chun -- Luk, Brian T -- Thamphiwatana, Soracha -- Dehaini, Diana -- Nguyen, Phu -- Angsantikul, Pavimol -- Wen, Cindy H -- Kroll, Ashley V -- Carpenter, Cody -- Ramesh, Manikantan -- Qu, Vivian -- Patel, Sherrina H -- Zhu, Jie -- Shi, William -- Hofman, Florence M -- Chen, Thomas C -- Gao, Weiwei -- Zhang, Kang -- Chien, Shu -- Zhang, Liangfang -- R01DK095168/DK/NIDDK NIH HHS/ -- R01EY25090/EY/NEI NIH HHS/ -- R01HL108735/HL/NHLBI NIH HHS/ -- R25CA153915/CA/NCI NIH HHS/ -- England -- Nature. 2015 Oct 1;526(7571):118-21. doi: 10.1038/nature15373. Epub 2015 Sep 16.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of NanoEngineering, University of California, San Diego, La Jolla, California 92093, USA. ; Moores Cancer Center, University of California, San Diego, La Jolla, California 92093, USA. ; Department of Bioengineering, University of California, San Diego, La Jolla, California 92093, USA. ; Institute of Engineering in Medicine, University of California, San Diego, La Jolla, California 92093, USA. ; Shiley Eye Institute, University of California, San Diego, La Jolla, California 92093, USA. ; Department of Pathology, Keck School of Medicine, University of Southern California, Los Angeles, California 90033, USA. ; Veterans Administration Healthcare System, San Diego, California 92093, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26374997" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Anti-Bacterial Agents/*administration & dosage/pharmacokinetics ; Blood Platelets/*cytology ; Blood Vessels/cytology/metabolism/pathology ; Cell Membrane/*metabolism ; Collagen/chemistry/immunology ; Complement Activation/immunology ; Coronary Restenosis/blood/drug therapy/metabolism ; Disease Models, Animal ; Drug Delivery Systems/*methods ; Humans ; Macrophages/immunology ; Male ; Mice ; Nanoparticles/*administration & dosage/*chemistry ; *Platelet Adhesiveness ; Polymers/chemistry ; Rats ; Rats, Sprague-Dawley ; Staphylococcal Infections/blood/drug therapy/metabolism/microbiology ; Staphylococcus aureus/cytology/metabolism ; Taxoids/administration & dosage/pharmacokinetics ; Unilamellar Liposomes/chemistry ; Vancomycin/administration & dosage/pharmacokinetics
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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    Addiction: 4 big questions (2015)
    Nature Publishing Group (NPG)
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    Publication Date: 2015-06-25
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Holmes, David -- England -- Nature. 2015 Jun 25;522(7557):S63. doi: 10.1038/522S63a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26107101" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Behavior, Addictive/classification/genetics/physiopathology/prevention & ; control/rehabilitation ; Brain/drug effects/physiology/physiopathology ; Dopamine Antagonists/pharmacology/therapeutic use ; Gene-Environment Interaction ; Genetic Predisposition to Disease/genetics ; Humans ; Mice ; Molecular Targeted Therapy ; Optogenetics ; Rats ; Receptors, Dopamine/metabolism ; Reward ; Secondary Prevention/methods ; *Substance-Related Disorders/classification/genetics/physiopathology/prevention & ; control/rehabilitation ; Vaccines/economics/therapeutic use
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    Neuroscience: Rewiring the brain (2015)
    Nature Publishing Group (NPG)
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    Publication Date: 2015-06-25
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bourzac, Katherine -- England -- Nature. 2015 Jun 25;522(7557):S50-2. doi: 10.1038/522S50a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26107095" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Aging/physiology ; Alcoholism/physiopathology/psychology/rehabilitation ; Animals ; Behavior, Addictive/*physiopathology/psychology/rehabilitation ; Brain/*physiology/*physiopathology ; Child ; Disease Models, Animal ; Humans ; *Neural Pathways ; Rats
    Print ISSN: 0028-0836
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    Ecosystem services: Academies review insecticide harm (2015)
    Nature Publishing Group (NPG)
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    Publication Date: 2015-04-10
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Neumann, Peter -- England -- Nature. 2015 Apr 9;520(7546):157. doi: 10.1038/520157a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute of Bee Health, University of Bern, Switzerland.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25855445" target="_blank"〉PubMed〈/a〉
    Keywords: Academies and Institutes ; Agriculture/methods ; Animals ; Bees/drug effects/physiology ; *Ecosystem ; Europe ; Insecticides/*adverse effects ; Pollination ; Receptors, Nicotinic/metabolism ; Risk Assessment
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    Distinct relationships of parietal and prefrontal cortices to evidence accumulation (2015)
    Nature Publishing Group (NPG)
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    Publication Date: 2015-01-21
    Description: Gradual accumulation of evidence is thought to be fundamental for decision-making, and its neural correlates have been found in several brain regions. Here we develop a generalizable method to measure tuning curves that specify the relationship between neural responses and mentally accumulated evidence, and apply it to distinguish the encoding of decision variables in posterior parietal cortex and prefrontal cortex (frontal orienting fields, FOF). We recorded the firing rates of neurons in posterior parietal cortex and FOF from rats performing a perceptual decision-making task. Classical analyses uncovered correlates of accumulating evidence, similar to previous observations in primates and also similar across the two regions. However, tuning curve assays revealed that while the posterior parietal cortex encodes a graded value of the accumulating evidence, the FOF has a more categorical encoding that indicates, throughout the trial, the decision provisionally favoured by the evidence accumulated so far. Contrary to current views, this suggests that premotor activity in the frontal cortex does not have a role in the accumulation process, but instead has a more categorical function, such as transforming accumulated evidence into a discrete choice. To probe causally the role of FOF activity, we optogenetically silenced it during different time points of the trial. Consistent with a role in committing to a categorical choice at the end of the evidence accumulation process, but not consistent with a role during the accumulation itself, a behavioural effect was observed only when FOF silencing occurred at the end of the perceptual stimulus. Our results place important constraints on the circuit logic of brain regions involved in decision-making.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hanks, Timothy D -- Kopec, Charles D -- Brunton, Bingni W -- Duan, Chunyu A -- Erlich, Jeffrey C -- Brody, Carlos D -- F32 MH098572/MH/NIMH NIH HHS/ -- F32MH098572/MH/NIMH NIH HHS/ -- T32MH065214/MH/NIMH NIH HHS/ -- Howard Hughes Medical Institute/ -- England -- Nature. 2015 Apr 9;520(7546):220-3. doi: 10.1038/nature14066. Epub 2015 Jan 19.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉1] Princeton Neuroscience Institute, Princeton University, Princeton, New Jersey 08544, USA [2] Department of Molecular Biology, Princeton University, Princeton, New Jersey 08544, USA. ; 1] Princeton Neuroscience Institute, Princeton University, Princeton, New Jersey 08544, USA [2] Department of Molecular Biology, Princeton University, Princeton, New Jersey 08544, USA [3] Departments of Biology and Applied Mathematics, University of Washington, Seattle, Washington 98105, USA. ; 1] Princeton Neuroscience Institute, Princeton University, Princeton, New Jersey 08544, USA [2] Department of Molecular Biology, Princeton University, Princeton, New Jersey 08544, USA [3] NYU-ECNU Institute of Brain and Cognitive Science, NYU-Shanghai, Shanghai 200122, China. ; 1] Princeton Neuroscience Institute, Princeton University, Princeton, New Jersey 08544, USA [2] Department of Molecular Biology, Princeton University, Princeton, New Jersey 08544, USA [3] Howard Hughes Medical Institute, Princeton University, Princeton, New Jersey 08544, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25600270" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Decision Making/*physiology ; Halorhodopsins/metabolism ; Male ; Neural Pathways ; Neurons/physiology ; Parietal Lobe/cytology/*physiology ; Prefrontal Cortex/cytology/*physiology ; Rats ; Rats, Long-Evans
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    Ecology. Mothers shape ecological communities (2015)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2015-02-24
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Dantzer, Ben -- New York, N.Y. -- Science. 2015 Feb 20;347(6224):822-3. doi: 10.1126/science.aaa6480.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Psychology and Department of Ecology and Evolutionary Biology, University of Michigan, Ann Arbor, MI 48109, USA. dantzer@umich.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25700499" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; *Competitive Behavior ; *Ecosystem ; Female ; Male ; *Maternal Behavior ; Songbirds/*physiology
    Print ISSN: 0036-8075
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    Evolutionary genomics. Evolutionary changes in promoter and enhancer activity during human corticogenesis (2015)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2015-03-07
    Description: Human higher cognition is attributed to the evolutionary expansion and elaboration of the human cerebral cortex. However, the genetic mechanisms contributing to these developmental changes are poorly understood. We used comparative epigenetic profiling of human, rhesus macaque, and mouse corticogenesis to identify promoters and enhancers that have gained activity in humans. These gains are significantly enriched in modules of coexpressed genes in the cortex that function in neuronal proliferation, migration, and cortical-map organization. Gain-enriched modules also showed correlated gene expression patterns and similar transcription factor binding site enrichments in promoters and enhancers, suggesting that they are connected by common regulatory mechanisms. Our results reveal coordinated patterns of potential regulatory changes associated with conserved developmental processes during corticogenesis, providing insight into human cortical evolution.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4426903/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4426903/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Reilly, Steven K -- Yin, Jun -- Ayoub, Albert E -- Emera, Deena -- Leng, Jing -- Cotney, Justin -- Sarro, Richard -- Rakic, Pasko -- Noonan, James P -- 099175/Z/12/Z/Wellcome Trust/United Kingdom -- DA023999/DA/NIDA NIH HHS/ -- F32 GM106628/GM/NIGMS NIH HHS/ -- GM094780/GM/NIGMS NIH HHS/ -- NS014841/NS/NINDS NIH HHS/ -- P30 CA016359/CA/NCI NIH HHS/ -- R01 DA023999/DA/NIDA NIH HHS/ -- R01 GM094780/GM/NIGMS NIH HHS/ -- T32 GM007223/GM/NIGMS NIH HHS/ -- Medical Research Council/United Kingdom -- New York, N.Y. -- Science. 2015 Mar 6;347(6226):1155-9. doi: 10.1126/science.1260943.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Genetics, Yale School of Medicine, New Haven, CT 06510, USA. ; Kavli Institute for Neuroscience, Yale School of Medicine, New Haven, CT 06510, USA. Department of Neurobiology, Yale School of Medicine, New Haven, CT 06510, USA. ; Department of Genetics, Yale School of Medicine, New Haven, CT 06510, USA. Program in Computational Biology and Bioinformatics, Yale University, New Haven, CT 06511, USA. ; Department of Genetics, Yale School of Medicine, New Haven, CT 06510, USA. Kavli Institute for Neuroscience, Yale School of Medicine, New Haven, CT 06510, USA. Program in Computational Biology and Bioinformatics, Yale University, New Haven, CT 06511, USA. james.noonan@yale.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25745175" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cerebral Cortex/*growth & development ; Enhancer Elements, Genetic/*genetics ; *Epigenesis, Genetic ; *Evolution, Molecular ; *Gene Expression Regulation, Developmental ; Humans ; Macaca mulatta ; Mice ; Organogenesis/*genetics ; Promoter Regions, Genetic/*genetics ; Rats
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    ECOLOGY. NSF looks for new contractor to finish troubled observatory (2015)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2015-12-19
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mervis, Jeffrey -- New York, N.Y. -- Science. 2015 Dec 18;350(6267):1454. doi: 10.1126/science.350.6267.1454.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26680170" target="_blank"〉PubMed〈/a〉
    Keywords: Contract Services/*economics ; Ecology/*economics ; *Ecosystem ; United States
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    FUNGAL SYMBIONTS. Global assessment of arbuscular mycorrhizal fungus diversity reveals very low endemism (2015)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2015-09-01
    Description: The global biogeography of microorganisms remains largely unknown, in contrast to the well-studied diversity patterns of macroorganisms. We used arbuscular mycorrhizal (AM) fungus DNA from 1014 plant-root samples collected worldwide to determine the global distribution of these plant symbionts. We found that AM fungal communities reflected local environmental conditions and the spatial distance between sites. However, despite AM fungi apparently possessing limited dispersal ability, we found 93% of taxa on multiple continents and 34% on all six continents surveyed. This contrasts with the high spatial turnover of other fungal taxa and with the endemism displayed by plants at the global scale. We suggest that the biogeography of AM fungi is driven by unexpectedly efficient dispersal, probably via both abiotic and biotic vectors, including humans.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Davison, J -- Moora, M -- Opik, M -- Adholeya, A -- Ainsaar, L -- Ba, A -- Burla, S -- Diedhiou, A G -- Hiiesalu, I -- Jairus, T -- Johnson, N C -- Kane, A -- Koorem, K -- Kochar, M -- Ndiaye, C -- Partel, M -- Reier, U -- Saks, U -- Singh, R -- Vasar, M -- Zobel, M -- New York, N.Y. -- Science. 2015 Aug 28;349(6251):970-3. doi: 10.1126/science.aab1161.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute of Ecology and Earth Sciences, University of Tartu, Lai 40, Tartu 51005, Estonia. ; Centre for Mycorrhizal Research, The Energy and Resources Institute (TERI), India Habitat Centre, Lodhi Road, New Delhi 110 003, India. ; Laboratoire des Symbioses Tropicales et Mediterraneennes, Unite Mixte de Recherche 113, Laboratoire de Biologie et Physiologie Vegetales, Faculte des Sciences Exactes et Naturelles, Universite des Antilles, BP 592, 97159, Pointe-a-Pitre, Guadeloupe (French West Indies). ; Laboratoire Commun de Microbiologie de l'Institut de Recherche pour le Developpement-Institut Senegalais de Recherches Agricoles-Universite Cheikh Anta Diop (UCAD), Departement de Biologie Vegetale, UCAD, BP 5005 Dakar, Senegal. ; Institute of Ecology and Earth Sciences, University of Tartu, Lai 40, Tartu 51005, Estonia. Institute of Botany, Czech Academy of Sciences, Dukelska 135, 379 01 Trebon, Czech Republic. ; School of Earth Sciences and Environmental Sustainability, Northern Arizona University, Flagstaff, AZ 86011-5694, USA. ; Institute of Ecology and Earth Sciences, University of Tartu, Lai 40, Tartu 51005, Estonia. Netherlands Institute of Ecology, Droevendaalsesteeg 10, 6708 PB Wageningen, Netherlands. ; TERI-Deakin Nano Biotechnology Centre, Biotechnology and Management of Bioresources Division, TERI, India Habitat Centre, Lodhi Road, New Delhi 110 003, India.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26315436" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biodiversity ; DNA, Fungal/analysis ; *Ecosystem ; Environment ; Humans ; *Mycorrhizae/genetics/isolation & purification/physiology ; Phylogeny ; Phylogeography ; Plant Roots/*microbiology ; *Symbiosis ; Water ; Wind
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    Brain crystals (2015)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2015-10-03
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Krupic, Julija -- New York, N.Y. -- Science. 2015 Oct 2;350(6256):47. doi: 10.1126/science.aad3002.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Cell and Developmental Biology, University College London, London WC1E 6BT, UK. j.krupic@ucl.ac.uk.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26430112" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Behavior, Animal ; Brain/*physiology/*ultrastructure ; *Distance Perception ; Fourier Analysis ; Humans ; Metric System ; Neurons/*physiology/*ultrastructure ; Rats ; Spatial Navigation/*physiology
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    NEUROSCIENCE. Virtual rat brain fails to impress its critics (2015)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2015-10-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kupferschmidt, Kai -- New York, N.Y. -- Science. 2015 Oct 16;350(6258):263-4. doi: 10.1126/science.350.6258.263.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26472886" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cerebral Cortex/*ultrastructure ; *Computer Simulation ; Investments ; *Models, Neurological ; Neurons/*ultrastructure ; Neurosciences/*economics ; Rats
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    Ecological feedbacks. Termite mounds can increase the robustness of dryland ecosystems to climatic change (2015)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2015-02-07
    Description: Self-organized spatial vegetation patterning is widespread and has been described using models of scale-dependent feedback between plants and water on homogeneous substrates. As rainfall decreases, these models yield a characteristic sequence of patterns with increasingly sparse vegetation, followed by sudden collapse to desert. Thus, the final, spot-like pattern may provide early warning for such catastrophic shifts. In many arid ecosystems, however, termite nests impart substrate heterogeneity by altering soil properties, thereby enhancing plant growth. We show that termite-induced heterogeneity interacts with scale-dependent feedbacks to produce vegetation patterns at different spatial grains. Although the coarse-grained patterning resembles that created by scale-dependent feedback alone, it does not indicate imminent desertification. Rather, mound-field landscapes are more robust to aridity, suggesting that termites may help stabilize ecosystems under global change.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bonachela, Juan A -- Pringle, Robert M -- Sheffer, Efrat -- Coverdale, Tyler C -- Guyton, Jennifer A -- Caylor, Kelly K -- Levin, Simon A -- Tarnita, Corina E -- New York, N.Y. -- Science. 2015 Feb 6;347(6222):651-5. doi: 10.1126/science.1261487.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Ecology and Evolutionary Biology, Princeton University, Princeton, NJ 08544, USA. ; Department of Ecology and Evolutionary Biology, Princeton University, Princeton, NJ 08544, USA. Mpala Research Centre, Post Office Box 555, Nanyuki, Kenya. ; Mpala Research Centre, Post Office Box 555, Nanyuki, Kenya. Department of Civil and Environmental Engineering, Princeton University, Princeton, NJ 08544, USA. ; Department of Ecology and Evolutionary Biology, Princeton University, Princeton, NJ 08544, USA. Mpala Research Centre, Post Office Box 555, Nanyuki, Kenya. ctarnita@princeton.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25657247" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Climate Change ; Conservation of Natural Resources ; *Desert Climate ; *Ecosystem ; Feedback ; Isoptera/*physiology ; Models, Biological ; *Plant Development ; *Rain ; Soil ; *Water
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    Paleoanthropology. Late Pliocene fossiliferous sedimentary record and the environmental context of early Homo from Afar, Ethiopia (2015)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2015-03-06
    Description: Sedimentary basins in eastern Africa preserve a record of continental rifting and contain important fossil assemblages for interpreting hominin evolution. However, the record of hominin evolution between 3 and 2.5 million years ago (Ma) is poorly documented in surface outcrops, particularly in Afar, Ethiopia. Here we present the discovery of a 2.84- to 2.58-million-year-old fossil and hominin-bearing sediments in the Ledi-Geraru research area of Afar, Ethiopia, that have produced the earliest record of the genus Homo. Vertebrate fossils record a faunal turnover indicative of more open and probably arid habitats than those reconstructed earlier in this region, which is in broad agreement with hypotheses addressing the role of environmental forcing in hominin evolution at this time. Geological analyses constrain depositional and structural models of Afar and date the LD 350-1 Homo mandible to 2.80 to 2.75 Ma.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉DiMaggio, Erin N -- Campisano, Christopher J -- Rowan, John -- Dupont-Nivet, Guillaume -- Deino, Alan L -- Bibi, Faysal -- Lewis, Margaret E -- Souron, Antoine -- Garello, Dominique -- Werdelin, Lars -- Reed, Kaye E -- Arrowsmith, J Ramon -- New York, N.Y. -- Science. 2015 Mar 20;347(6228):1355-9. doi: 10.1126/science.aaa1415. Epub 2015 Mar 4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Geosciences, Pennsylvania State University, University Park, PA 16802, USA. dimaggio@psu.edu kreed@asu.edu. ; Institute of Human Origins, School of Human Evolution and Social Change, Arizona State University, Tempe, AZ 85287, USA. ; CNRS Geosciences Rennes, Campus de Beaulieu, 35042 Rennes, France. ; Berkeley Geochronology Center, 2455 Ridge Road, Berkeley, CA 94709, USA. ; Museum fur Naturkunde, Leibniz Institute for Evolution and Biodiversity Science, Invalidenstrasse 43, 10115 Berlin, Germany. ; Biology Program, Stockton University, 101 Vera King Farris Drive, Galloway, NJ 08205, USA. ; Human Evolution Research Center, University of California, Berkeley, 3101 Valley Life Sciences Building, Berkeley, CA, 94720-3160, USA. ; School of Earth and Space Exploration, Arizona State University, Tempe, AZ 85287, USA. ; Swedish Museum of Natural History, Department of Palaeobiology, Box 50007, SE-10405 Stockholm, Sweden.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25739409" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; *Ecosystem ; Ethiopia ; Fossils ; *Geologic Sediments ; *Hominidae
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Evolutionary ecology. Cycles of species replacement emerge from locally induced maternal effects on offspring behavior in a passerine bird (2015)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2015-02-24
    Description: An important question in ecology is how mechanistic processes occurring among individuals drive large-scale patterns of community formation and change. Here we show that in two species of bluebirds, cycles of replacement of one by the other emerge as an indirect consequence of maternal influence on offspring behavior in response to local resource availability. Sampling across broad temporal and spatial scales, we found that western bluebirds, the more competitive species, bias the birth order of offspring by sex in a way that influences offspring aggression and dispersal, setting the stage for rapid increases in population density that ultimately result in the replacement of their sister species. Our results provide insight into how predictable community dynamics can occur despite the contingency of local behavioral interactions.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Duckworth, Renee A -- Belloni, Virginia -- Anderson, Samantha R -- New York, N.Y. -- Science. 2015 Feb 20;347(6224):875-7. doi: 10.1126/science.1260154.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Ecology and Evolutionary Biology, University of Arizona, Tucson, AZ 85721, USA. rad3@email.arizona.edu. ; Department of Ecology and Evolutionary Biology, University of Arizona, Tucson, AZ 85721, USA. Department of Tropical Medicine, School of Public Health and Tropical Medicine, Tulane University, New Orleans, LA 70112, USA. ; Department of Ecology and Evolutionary Biology, University of Arizona, Tucson, AZ 85721, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25700519" target="_blank"〉PubMed〈/a〉
    Keywords: Androgens/analysis ; Animals ; *Biological Evolution ; Clutch Size ; *Competitive Behavior ; *Ecosystem ; Egg Yolk/chemistry ; Female ; Fires ; Male ; *Maternal Behavior ; Population Density ; Songbirds/*physiology ; United States
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Axonal regeneration. Systemic administration of epothilone B promotes axon regeneration after spinal cord injury (2015)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2015-03-15
    Description: After central nervous system (CNS) injury, inhibitory factors in the lesion scar and poor axon growth potential prevent axon regeneration. Microtubule stabilization reduces scarring and promotes axon growth. However, the cellular mechanisms of this dual effect remain unclear. Here, delayed systemic administration of a blood-brain barrier-permeable microtubule-stabilizing drug, epothilone B (epoB), decreased scarring after rodent spinal cord injury (SCI) by abrogating polarization and directed migration of scar-forming fibroblasts. Conversely, epothilone B reactivated neuronal polarization by inducing concerted microtubule polymerization into the axon tip, which propelled axon growth through an inhibitory environment. Together, these drug-elicited effects promoted axon regeneration and improved motor function after SCI. With recent clinical approval, epothilones hold promise for clinical use after CNS injury.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4445125/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4445125/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ruschel, Jorg -- Hellal, Farida -- Flynn, Kevin C -- Dupraz, Sebastian -- Elliott, David A -- Tedeschi, Andrea -- Bates, Margaret -- Sliwinski, Christopher -- Brook, Gary -- Dobrindt, Kristina -- Peitz, Michael -- Brustle, Oliver -- Norenberg, Michael D -- Blesch, Armin -- Weidner, Norbert -- Bunge, Mary Bartlett -- Bixby, John L -- Bradke, Frank -- R01 HD057632/HD/NICHD NIH HHS/ -- R01 NS059866/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 2015 Apr 17;348(6232):347-52. doi: 10.1126/science.aaa2958. Epub 2015 Mar 12.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Axonal Growth and Regeneration, German Center for Neurodegenerative Diseases, Ludwig-Erhard-Allee 2, 53175 Bonn, Germany. ; The Miami Project to Cure Paralysis, University of Miami Miller School of Medicine, 1095 Northwest 14th Terrace, Miami, FL33136, USA. ; Spinal Cord Injury Center, Heidelberg University Hospital, Schlierbacher Landstr. 200A, 69118 Heidelberg, Germany. ; Institute for Neuropathology, RWTH Aachen University, Steinbergweg 20, 52074, Aachen, Germany. Julich-Aachen Research Alliance-Translational Brain Medicine. ; Institute of Reconstructive Neurobiology, Life&Brain Center, University of Bonn and Hertie Foundation, Sigmund-Freud-Strasse 25, 53127 Bonn, Germany. ; Departments of Pathology, Biochemistry and Molecular Biology, University of Miami School of Medicine, Miami, FL 33101, USA. ; Axonal Growth and Regeneration, German Center for Neurodegenerative Diseases, Ludwig-Erhard-Allee 2, 53175 Bonn, Germany. frank.bradke@dzne.de.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25765066" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Axons/*drug effects/physiology ; Cell Movement/drug effects ; Cell Polarity/drug effects ; Cicatrix/pathology/*prevention & control ; Epothilones/*administration & dosage ; Fibroblasts/drug effects/pathology ; Humans ; Meninges/drug effects/pathology ; Motor Activity/drug effects ; Nerve Regeneration/*drug effects ; Neurons/drug effects/pathology ; Rats ; Spinal Cord Injuries/*drug therapy/pathology/physiopathology ; Tubulin Modulators/*administration & dosage
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Linked canopy, climate, and faunal change in the Cenozoic of Patagonia (2015)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2015-01-17
    Description: Vegetation structure is a key determinant of ecosystems and ecosystem function, but paleoecological techniques to quantify it are lacking. We present a method for reconstructing leaf area index (LAI) based on light-dependent morphology of leaf epidermal cells and phytoliths derived from them. Using this proxy, we reconstruct LAI for the Cenozoic (49 million to 11 million years ago) of middle-latitude Patagonia. Our record shows that dense forests opened up by the late Eocene; open forests and shrubland habitats then fluctuated, with a brief middle-Miocene regreening period. Furthermore, endemic herbivorous mammals show accelerated tooth crown height evolution during open, yet relatively grass-free, shrubland habitat intervals. Our Patagonian LAI record provides a high-resolution, sensitive tool with which to dissect terrestrial ecosystem response to changing Southern Ocean conditions during the Cenozoic.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Dunn, Regan E -- Stromberg, Caroline A E -- Madden, Richard H -- Kohn, Matthew J -- Carlini, Alfredo A -- New York, N.Y. -- Science. 2015 Jan 16;347(6219):258-61. doi: 10.1126/science.1260947.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology and Burke Museum of Natural History and Culture, University of Washington, Seattle, WA 98195, USA. dunnr@u.washington.edu. ; Department of Biology and Burke Museum of Natural History and Culture, University of Washington, Seattle, WA 98195, USA. ; Department of Organismal Biology and Anatomy, University of Chicago, Chicago, IL 60637, USA. ; Department of Geosciences, Boise State University, Boise, ID 83725, USA. ; Paleontologia de Vertebrados, Universidad Nacional de La Plata, Consejo Nacional de Investigaciones Cientificas y Tecnicas (CONICET), La Plata, Argentina.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25593182" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biological Evolution ; Cell Shape ; Cell Size ; *Climate Change ; Costa Rica ; *Ecosystem ; *Forests ; Fossils ; Grassland ; Mammals/anatomy & histology ; Plant Epidermis/cytology ; *Plant Leaves/anatomy & histology ; *Plants ; South America ; Time ; Tooth Crown/anatomy & histology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Spring-loaded unraveling of a single SNARE complex by NSF in one round of ATP turnover (2015)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2015-03-31
    Description: During intracellular membrane trafficking, N-ethylmaleimide-sensitive factor (NSF) and alpha-soluble NSF attachment protein (alpha-SNAP) disassemble the soluble NSF attachment protein receptor (SNARE) complex for recycling of the SNARE proteins. The molecular mechanism by which NSF disassembles the SNARE complex is largely unknown. Using single-molecule fluorescence spectroscopy and magnetic tweezers, we found that NSF disassembled a single SNARE complex in only one round of adenosine triphosphate (ATP) turnover. Upon ATP cleavage, the NSF hexamer developed internal tension with dissociation of phosphate ions. After latent time measuring tens of seconds, NSF released the built-up tension in a burst within 20 milliseconds, resulting in disassembly followed by immediate release of the SNARE proteins. Thus, NSF appears to use a "spring-loaded" mechanism to couple ATP hydrolysis and unfolding of substrate proteins.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4441202/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4441202/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ryu, Je-Kyung -- Min, Duyoung -- Rah, Sang-Hyun -- Kim, Soo Jin -- Park, Yongsoo -- Kim, Haesoo -- Hyeon, Changbong -- Kim, Ho Min -- Jahn, Reinhard -- Yoon, Tae-Young -- 3P01GM072694-05S1/GM/NIGMS NIH HHS/ -- P01 GM072694/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2015 Mar 27;347(6229):1485-9. doi: 10.1126/science.aaa5267.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉National Creative Research Initiative Center for Single-Molecule Systems Biology, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 305-701, South Korea. Department of Physics, KAIST, Daejeon 305-701, South Korea. ; Graduate School of Medical Science and Engineering, KAIST, Daejeon 305-701, South Korea. ; Department of Neurobiology, Max-Planck-Institute for Biophysical Chemistry, 37077 Gottingen, Germany. ; Korea Institute for Advanced Study, Seoul 130-722, South Korea. ; Department of Neurobiology, Max-Planck-Institute for Biophysical Chemistry, 37077 Gottingen, Germany. rjahn@gwdg.de tyyoon@kaist.ac.kr. ; National Creative Research Initiative Center for Single-Molecule Systems Biology, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 305-701, South Korea. Department of Physics, KAIST, Daejeon 305-701, South Korea. rjahn@gwdg.de tyyoon@kaist.ac.kr.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25814585" target="_blank"〉PubMed〈/a〉
    Keywords: Adenosine Triphosphate/*metabolism ; Animals ; Cattle ; Cricetinae ; Fluorescence Resonance Energy Transfer ; Hydrolysis ; N-Ethylmaleimide-Sensitive Proteins/*metabolism ; Rats ; SNARE Proteins/*metabolism ; Soluble N-Ethylmaleimide-Sensitive Factor Attachment Proteins/*metabolism ; Spectrometry, Fluorescence
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    ACTIN-DIRECTED TOXIN. ACD toxin-produced actin oligomers poison formin-controlled actin polymerization (2015)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2015-08-01
    Description: The actin cross-linking domain (ACD) is an actin-specific toxin produced by several pathogens, including life-threatening spp. of Vibrio cholerae, Vibrio vulnificus, and Aeromonas hydrophila. Actin cross-linking by ACD is thought to lead to slow cytoskeleton failure owing to a gradual sequestration of actin in the form of nonfunctional oligomers. Here, we found that ACD converted cytoplasmic actin into highly toxic oligomers that potently "poisoned" the ability of major actin assembly proteins, formins, to sustain actin polymerization. Thus, ACD can target the most abundant cellular protein by using actin oligomers as secondary toxins to efficiently subvert cellular functions of actin while functioning at very low doses.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4648357/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4648357/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Heisler, David B -- Kudryashova, Elena -- Grinevich, Dmitry O -- Suarez, Cristian -- Winkelman, Jonathan D -- Birukov, Konstantin G -- Kotha, Sainath R -- Parinandi, Narasimham L -- Vavylonis, Dimitrios -- Kovar, David R -- Kudryashov, Dmitri S -- R01 GM079265/GM/NIGMS NIH HHS/ -- R01 GM098430/GM/NIGMS NIH HHS/ -- R01 GM114666/GM/NIGMS NIH HHS/ -- R01 HL076259/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 2015 Jul 31;349(6247):535-9. doi: 10.1126/science.aab4090.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Chemistry and Biochemistry, The Ohio State University, Columbus, OH 43210, USA. The Ohio State Biochemistry Program, The Ohio State University, Columbus, OH 43210, USA. ; Department of Chemistry and Biochemistry, The Ohio State University, Columbus, OH 43210, USA. kudryashov.1@osu.edu kudryashova.1@osu.edu. ; Department of Chemistry and Biochemistry, The Ohio State University, Columbus, OH 43210, USA. ; Department of Molecular Genetics and Cell Biology, The University of Chicago, Chicago, IL 60637, USA. ; Section of Pulmonary and Critical Care and Lung Injury Center, Department of Medicine, The University of Chicago, Chicago, IL 60637, USA. ; Lipid Signaling and Lipidomics Laboratory, Division of Pulmonary, Allergy, Critical Care and Sleep Medicine, Department of Medicine, Dorothy M. Davis Heart and Lung Research Institute, College of Medicine, The Ohio State University, Columbus, OH 43210, USA. ; Department of Physics, Lehigh University, Bethlehem, PA 18015, USA. ; Department of Molecular Genetics and Cell Biology, The University of Chicago, Chicago, IL 60637, USA. Department of Biochemistry and Molecular Biology, The University of Chicago, Chicago, IL 60637, USA. ; Department of Chemistry and Biochemistry, The Ohio State University, Columbus, OH 43210, USA. The Ohio State Biochemistry Program, The Ohio State University, Columbus, OH 43210, USA. kudryashov.1@osu.edu kudryashova.1@osu.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26228148" target="_blank"〉PubMed〈/a〉
    Keywords: Actins/*metabolism ; Animals ; Antigens, Bacterial/*chemistry/genetics/*toxicity ; Bacterial Toxins/*chemistry/genetics/*toxicity ; Cell Line ; Fetal Proteins/*antagonists & inhibitors ; Intestinal Mucosa/drug effects/metabolism ; Microfilament Proteins/*antagonists & inhibitors ; Nuclear Proteins/*antagonists & inhibitors ; Polymerization/drug effects ; Protein Structure, Tertiary ; Rats
    Print ISSN: 0036-8075
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    Ocean plankton. Patterns and ecological drivers of ocean viral communities (2015)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2015-05-23
    Description: Viruses influence ecosystems by modulating microbial population size, diversity, metabolic outputs, and gene flow. Here, we use quantitative double-stranded DNA (dsDNA) viral-fraction metagenomes (viromes) and whole viral community morphological data sets from 43 Tara Oceans expedition samples to assess viral community patterns and structure in the upper ocean. Protein cluster cataloging defined pelagic upper-ocean viral community pan and core gene sets and suggested that this sequence space is well-sampled. Analyses of viral protein clusters, populations, and morphology revealed biogeographic patterns whereby viral communities were passively transported on oceanic currents and locally structured by environmental conditions that affect host community structure. Together, these investigations establish a global ocean dsDNA viromic data set with analyses supporting the seed-bank hypothesis to explain how oceanic viral communities maintain high local diversity.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Brum, Jennifer R -- Ignacio-Espinoza, J Cesar -- Roux, Simon -- Doulcier, Guilhem -- Acinas, Silvia G -- Alberti, Adriana -- Chaffron, Samuel -- Cruaud, Corinne -- de Vargas, Colomban -- Gasol, Josep M -- Gorsky, Gabriel -- Gregory, Ann C -- Guidi, Lionel -- Hingamp, Pascal -- Iudicone, Daniele -- Not, Fabrice -- Ogata, Hiroyuki -- Pesant, Stephane -- Poulos, Bonnie T -- Schwenck, Sarah M -- Speich, Sabrina -- Dimier, Celine -- Kandels-Lewis, Stefanie -- Picheral, Marc -- Searson, Sarah -- Tara Oceans Coordinators -- Bork, Peer -- Bowler, Chris -- Sunagawa, Shinichi -- Wincker, Patrick -- Karsenti, Eric -- Sullivan, Matthew B -- New York, N.Y. -- Science. 2015 May 22;348(6237):1261498. doi: 10.1126/science.1261498.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Ecology and Evolutionary Biology, University of Arizona, Tucson, AZ 85721, USA. ; Department of Molecular and Cellular Biology, University of Arizona, Tucson, AZ 85721, USA. ; Department of Ecology and Evolutionary Biology, University of Arizona, Tucson, AZ 85721, USA. Environmental and Evolutionary Genomics Section, Institut de Biologie de l'Ecole Normale Superieure (IBENS), CNRS, UMR8197, INSERM U1024, 75230 Paris, France. ; Department of Marine Biology and Oceanography, Institute of Marine Sciences (ICM)-CSIC, Pg. Maritim de la Barceloneta 37-49, Barcelona, E08003, Spain. ; Genoscope, Commissariat a l'Energie Atomique (CEA)-Institut de Genomique, 2 rue Gaston Cremieux, 91057 Evry, France. ; Department of Microbiology and Immunology, Rega Institute, KU Leuven, Herestraat 49, 3000 Leuven, Belgium. Center for the Biology of Disease, VIB KU Leuven, Herestraat 49, 3000 Leuven, Belgium. Department of Applied Biological Sciences, Vrije Universiteit Brussel, Pleinlaan 2, 1050 Brussels, Belgium. ; CNRS, UMR 7144, Station Biologique de Roscoff, Place Georges Teissier, 29680 Roscoff, France. Sorbonne Universites, Universite Pierre et Marie Curie, Universite Paris 06, and UMR 7144, Station Biologique de Roscoff, Place Georges Teissier, 29680 Roscoff, France. ; CNRS, UMR 7093, Laboratoire d'oceanographie de Villefranche (LOV), Observatoire Oceanologique, 06230 Villefranche-sur-mer, France. Sorbonne Universites, Uiversite Pierre et Marie Curie, Universite Paris 06, UMR 7093, Laboratoire d'oceanographie de Villefranche (LOV), Observatoire Oceanologique, 06230 Villefranche-sur-mer, France. ; Soil, Water, and Environmental Science, University of Arizona, Tucson, AZ 85721, USA. ; Aix Marseille Universite, CNRS IGS UMR 7256, 13288 Marseille, France. ; Stazione Zoologica Anton Dohrn, Villa Comunale, 80121 Naples, Italy. ; Institute for Chemical Research, Kyoto University, Gokasho, Uji, Kyoto 611-0001, Japan. ; PANGAEA, Data Publisher for Earth and Environmental Science, University of Bremen, 28359 Bremen, Germany. MARUM, Center for Marine Environmental Sciences, University of Bremen, 28359 Bremen, Germany. ; Laboratoire de Physique des Oceans, Institut Universitaire Europeen de la Mer, Universite de Bretagne Occidentale (UBO-IUEM), Place Copernic, 29820 Plouzane, France. ; CNRS, UMR 7144, Station Biologique de Roscoff, Place Georges Teissier, 29680 Roscoff, France. Sorbonne Universites, Universite Pierre et Marie Curie, Universite Paris 06, and UMR 7144, Station Biologique de Roscoff, Place Georges Teissier, 29680 Roscoff, France. Institut de Biologie de l'Ecole Normale Superieure (IBENS), and INSERM U1024, and CNRS UMR 8197, Paris, 75005, France. ; Structural and Computational Biology, European Molecular Biology Laboratory, Meyerhofstrasse 1, 69117 Heidelberg, Germany. Directors' Research, European Molecular Biology Laboratory Meyerhofstrasse 1, 69117 Heidelberg, Germany. ; Structural and Computational Biology, European Molecular Biology Laboratory, Meyerhofstrasse 1, 69117 Heidelberg, Germany. Max-Delbruck-Centre for Molecular Medicine, 13092 Berlin, Germany. ; Institut de Biologie de l'Ecole Normale Superieure (IBENS), and INSERM U1024, and CNRS UMR 8197, Paris, 75005, France. ; Structural and Computational Biology, European Molecular Biology Laboratory, Meyerhofstrasse 1, 69117 Heidelberg, Germany. ; Genoscope, Commissariat a l'Energie Atomique (CEA)-Institut de Genomique, 2 rue Gaston Cremieux, 91057 Evry, France. CNRS, UMR 8030, CP5706, 91057 Evry, France. Universite d'Evry, UMR 8030, CP5706, 91057 Evry, France. ; Institut de Biologie de l'Ecole Normale Superieure (IBENS), and INSERM U1024, and CNRS UMR 8197, Paris, 75005, France. Directors' Research, European Molecular Biology Laboratory Meyerhofstrasse 1, 69117 Heidelberg, Germany. mbsulli@gmail.com karsenti@embl.de. ; Department of Ecology and Evolutionary Biology, University of Arizona, Tucson, AZ 85721, USA. Department of Molecular and Cellular Biology, University of Arizona, Tucson, AZ 85721, USA. Soil, Water, and Environmental Science, University of Arizona, Tucson, AZ 85721, USA. mbsulli@gmail.com karsenti@embl.de.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25999515" target="_blank"〉PubMed〈/a〉
    Keywords: Biodiversity ; DNA, Viral/genetics ; Ecological and Environmental Processes ; *Ecosystem ; Metagenome/genetics ; Microbiota/genetics ; Oceans and Seas ; Plankton/*classification/genetics ; Seawater/*virology ; Viral Proteins/genetics ; Viruses/*classification/genetics
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    BRAIN STRUCTURE. Cortical folding scales universally with surface area and thickness, not number of neurons (2015)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2015-07-04
    Description: Larger brains tend to have more folded cortices, but what makes the cortex fold has remained unknown. We show that the degree of cortical folding scales uniformly across lissencephalic and gyrencephalic species, across individuals, and within individual cortices as a function of the product of cortical surface area and the square root of cortical thickness. This relation is derived from the minimization of the effective free energy associated with cortical shape according to a simple physical model, based on known mechanisms of axonal elongation. This model also explains the scaling of the folding index of crumpled paper balls. We discuss the implications of this finding for the evolutionary and developmental origin of folding, including the newfound continuum between lissencephaly and gyrencephaly, and for pathologies such as human lissencephaly.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mota, Bruno -- Herculano-Houzel, Suzana -- New York, N.Y. -- Science. 2015 Jul 3;349(6243):74-7. doi: 10.1126/science.aaa9101.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Instituto de Fisica, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil. ; Instituto de Ciencias Biomedicas, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil. Instituto Nacional de Neurociencia Translacional, INCT/MCT, Sao Paulo, Brazil. suzanahh@gmail.com.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26138976" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Count ; *Cerebral Cortex/cytology/embryology/pathology ; Humans ; Lissencephaly/*pathology ; Mice ; Models, Neurological ; Neurons/*cytology/pathology ; Rats ; Species Specificity
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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    Environment and Development. Get the science right when paying for nature's services (2015)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2015-03-15
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Naeem, S -- Ingram, J C -- Varga, A -- Agardy, T -- Barten, P -- Bennett, G -- Bloomgarden, E -- Bremer, L L -- Burkill, P -- Cattau, M -- Ching, C -- Colby, M -- Cook, D C -- Costanza, R -- DeClerck, F -- Freund, C -- Gartner, T -- Goldman-Benner, R -- Gunderson, J -- Jarrett, D -- Kinzig, A P -- Kiss, A -- Koontz, A -- Kumar, P -- Lasky, J R -- Masozera, M -- Meyers, D -- Milano, F -- Naughton-Treves, L -- Nichols, E -- Olander, L -- Olmsted, P -- Perge, E -- Perrings, C -- Polasky, S -- Potent, J -- Prager, C -- Quetier, F -- Redford, K -- Saterson, K -- Thoumi, G -- Vargas, M T -- Vickerman, S -- Weisser, W -- Wilkie, D -- Wunder, S -- New York, N.Y. -- Science. 2015 Mar 13;347(6227):1206-7. doi: 10.1126/science.aaa1403. Epub 2015 Mar 12.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25766222" target="_blank"〉PubMed〈/a〉
    Keywords: *Conservation of Natural Resources/economics ; *Ecosystem ; *Environment ; Guidelines as Topic ; Policy
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Neuroscience. Our skewed sense of space (2015)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2015-02-07
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Buzsaki, Gyorgy -- New York, N.Y. -- Science. 2015 Feb 6;347(6222):612-3. doi: 10.1126/science.aaa6505.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉New York University Neuroscience Institute, New York University Langone Center, New York, NY 10016, USA. gyorgy.buzsaki@nyumc.org.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25657232" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Brain Mapping ; Hippocampus/*physiology ; Maze Learning ; Pyramidal Cells/*physiology ; Rats ; Sensation/*physiology ; Space Perception/*physiology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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    ENTREPRENEURSHIP. Accelerators and ecosystems (2015)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2015-06-13
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hochberg, Yael V -- Fehder, Daniel C -- New York, N.Y. -- Science. 2015 Jun 12;348(6240):1202-3. doi: 10.1126/science.aab3351.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Rice University, Houston, TX 77251, USA. Massachusetts Institute of Technology, Cambridge, MA 02139, USA. National Bureau of Economic Research, Cambridge, MA 02138, USA. hochberg@rice.edu. ; Massachusetts Institute of Technology, Cambridge, MA 02139, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26068829" target="_blank"〉PubMed〈/a〉
    Keywords: *Ecosystem ; *Entrepreneurship ; Software
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 100
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    CTCF establishes discrete functional chromatin domains at the Hox clusters during differentiation (2015)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2015-02-28
    Description: Polycomb and Trithorax group proteins encode the epigenetic memory of cellular positional identity by establishing inheritable domains of repressive and active chromatin within the Hox clusters. Here we demonstrate that the CCCTC-binding factor (CTCF) functions to insulate these adjacent yet antagonistic chromatin domains during embryonic stem cell differentiation into cervical motor neurons. Deletion of CTCF binding sites within the Hox clusters results in the expansion of active chromatin into the repressive domain. CTCF functions as an insulator by organizing Hox clusters into spatially disjoint domains. Ablation of CTCF binding disrupts topological boundaries such that caudal Hox genes leave the repressed domain and become subject to transcriptional activation. Hence, CTCF is required to insulate facultative heterochromatin from impinging euchromatin to produce discrete positional identities.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4428148/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4428148/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Narendra, Varun -- Rocha, Pedro P -- An, Disi -- Raviram, Ramya -- Skok, Jane A -- Mazzoni, Esteban O -- Reinberg, Danny -- GM-64844/GM/NIGMS NIH HHS/ -- GM086852/GM/NIGMS NIH HHS/ -- GM112192/GM/NIGMS NIH HHS/ -- P30 CA016087/CA/NCI NIH HHS/ -- R01 GM086852/GM/NIGMS NIH HHS/ -- R01 GM112192/GM/NIGMS NIH HHS/ -- R01 HD079682/HD/NICHD NIH HHS/ -- R01HD079682/HD/NICHD NIH HHS/ -- R37-37120/PHS HHS/ -- T32 GM007238/GM/NIGMS NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2015 Feb 27;347(6225):1017-21. doi: 10.1126/science.1262088.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Chevy Chase, MD 20815, USA. Department of Biochemistry and Molecular Pharmacology, New York University School of Medicine, New York, NY 10016, USA. ; Department of Pathology, New York University School of Medicine, New York, NY 10016, USA. ; Department of Biology, New York University, New York, NY 10003, USA. ; Department of Biology, New York University, New York, NY 10003, USA. danny.reinberg@nyumc.org eom204@nyu.edu. ; Howard Hughes Medical Institute, Chevy Chase, MD 20815, USA. Department of Biochemistry and Molecular Pharmacology, New York University School of Medicine, New York, NY 10016, USA. danny.reinberg@nyumc.org eom204@nyu.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25722416" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Differentiation/*genetics ; Chromatin/chemistry/genetics/*metabolism ; Dogs ; Embryonic Stem Cells/*cytology ; *Gene Expression Regulation ; *Genes, Homeobox ; Humans ; Mice ; Motor Neurons/*cytology ; Multigene Family ; Neck ; Protein Structure, Tertiary ; Rats ; Repressor Proteins/chemistry/genetics/*metabolism
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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