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  • Cell Line  (64)
  • Ecosystem
  • American Association for the Advancement of Science (AAAS)  (108)
  • Irkutsk : Ross. Akad. Nauk, Sibirskoe Otd., Inst. Zemnoj Kory
  • Krefeld : Geologischer Dienst Nordhein-Westfalen
  • Wiley
  • 2005-2009  (108)
  • 2006  (108)
Collection
Keywords
Publisher
  • American Association for the Advancement of Science (AAAS)  (108)
  • Irkutsk : Ross. Akad. Nauk, Sibirskoe Otd., Inst. Zemnoj Kory
  • Krefeld : Geologischer Dienst Nordhein-Westfalen
  • Wiley
Years
  • 2005-2009  (108)
Year
  • 1
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    Isotopic evidence for dietary variability in the early hominin Paranthropus robustus (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-11-11
    Description: Traditional methods of dietary reconstruction do not allow the investigation of dietary variability within the lifetimes of individual hominins. However, laser ablation stable isotope analysis reveals that the delta13C values of Paranthropus robustus individuals often changed seasonally and interannually. These data suggest that Paranthropus was not a dietary specialist and that by about 1.8 million years ago, savanna-based foods such as grasses or sedges or animals eating these foods made up an important but highly variable part of its diet.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sponheimer, Matt -- Passey, Benjamin H -- de Ruiter, Darryl J -- Guatelli-Steinberg, Debbie -- Cerling, Thure E -- Lee-Thorp, Julia A -- New York, N.Y. -- Science. 2006 Nov 10;314(5801):980-2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Anthropology, University of Colorado at Boulder, Boulder, CO 80309, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17095699" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Carbon Isotopes/*analysis ; Climate ; Dental Enamel/*chemistry ; *Diet ; Ecosystem ; *Fossils ; *Hominidae ; Lasers ; *Paleodontology ; Plants ; Poaceae ; Rain ; Seasons ; South Africa
    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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    Evolution. The origin of insects (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-12-23
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Glenner, Henrik -- Thomsen, Philip Francis -- Hebsgaard, Martin Bay -- Sorensen, Martin Vinther -- Willerslev, Eske -- Wellcome Trust/United Kingdom -- New York, N.Y. -- Science. 2006 Dec 22;314(5807):1883-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Centre for Ancient Genetics, Department of Evolutionary Biology, Biological Institute, University of Copenhagen, Universitetsparken 15, DK-2100 Copenhagen, Denmark. ewillerslev@bi.ku.dk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17185588" target="_blank"〉PubMed〈/a〉
    Keywords: Adaptation, Biological ; Animals ; *Biological Evolution ; *Crustacea/anatomy & histology/classification/genetics/physiology ; Ecosystem ; Fossils ; Fresh Water ; *Insects/anatomy & histology/classification/genetics/physiology ; Phylogeny ; Seawater ; Time
    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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    Community collaborations. Collaborative ecological restoration (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-07-01
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gold, Warren -- Ewing, Kern -- Banks, John -- Groom, Martha -- Hinckley, Tom -- Secord, David -- Shebitz, Daniela -- New York, N.Y. -- Science. 2006 Jun 30;312(5782):1880-1.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Interdisciplinary Arts and Sciences Program, University of Washington, Bothell, WA 98011, USA. wgold@u.washington.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16809514" target="_blank"〉PubMed〈/a〉
    Keywords: *Conservation of Natural Resources ; Curriculum ; Ecology/*education ; Ecosystem ; Environment ; Faculty ; *Interdisciplinary Communication ; *Universities ; Washington
    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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    Aquaculture in offshore zones (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-12-23
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Goudey, Clifford A -- New York, N.Y. -- Science. 2006 Dec 22;314(5807):1875-6; author reply 1875-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17185585" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Aquaculture/*legislation & jurisprudence ; Ecosystem ; Environment ; Fisheries/legislation & jurisprudence ; Oceans and Seas ; United States
    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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    Molecular linkage between the kinase ATM and NF-kappaB signaling in response to genotoxic stimuli (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-02-25
    Description: The transcription factor NF-kappaB modulates apoptotic responses induced by genotoxic stress. We show that NF-kappaB essential modulator (NEMO), the regulatory subunit of IkappaB kinase (IKK) (which phosphorylates the NF-kappaB inhibitor IkappaB), associates with activated ataxia telangiectasia mutated (ATM) after the induction of DNA double-strand breaks. ATM phosphorylates serine-85 of NEMO to promote its ubiquitin-dependent nuclear export. ATM is also exported in a NEMO-dependent manner to the cytoplasm, where it associates with and causes the activation of IKK in a manner dependent on another IKK regulator, a protein rich in glutamate, leucine, lysine, and serine (ELKS). Thus, regulated nuclear shuttling of NEMO links two signaling kinases, ATM and IKK, to activate NF-kappaB by genotoxic signals.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wu, Zhao-Hui -- Shi, Yuling -- Tibbetts, Randal S -- Miyamoto, Shigeki -- R01-CA77474/CA/NCI NIH HHS/ -- R01-CA81065/CA/NCI NIH HHS/ -- R01-GM067868/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2006 Feb 24;311(5764):1141-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pharmacology, University of Wisconsin-Madison, 301 SMI, 1300 University Avenue, Madison, WI 53706, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16497931" target="_blank"〉PubMed〈/a〉
    Keywords: Active Transport, Cell Nucleus ; Adaptor Proteins, Signal Transducing/genetics/metabolism ; Amino Acid Motifs ; Ataxia Telangiectasia Mutated Proteins ; Cell Cycle Proteins/*metabolism ; Cell Line ; Cell Nucleus/metabolism ; Cytoplasm/metabolism ; *DNA Damage ; DNA-Binding Proteins/*metabolism ; Humans ; I-kappa B Kinase/*metabolism ; I-kappa B Proteins/genetics/metabolism ; NF-kappa B/metabolism ; Nerve Tissue Proteins/genetics/metabolism ; Phosphorylation ; Protein-Serine-Threonine Kinases/*metabolism ; RNA Interference ; Recombinant Fusion Proteins/metabolism ; SUMO-1 Protein/metabolism ; *Signal Transduction ; Tumor Suppressor Proteins/*metabolism ; Ubiquitin/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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  • 6
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    Global warming. U.N. conference puts spotlight on reducing impact of climate change (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-11-25
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stone, Richard -- Bohannon, John -- New York, N.Y. -- Science. 2006 Nov 24;314(5803):1224-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17124293" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Climate ; *Developing Countries ; Ecosystem ; *Global Health ; Greenhouse Effect ; Humans ; *United Nations
    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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    Oligonucleotide-modified gold nanoparticles for intracellular gene regulation (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-05-20
    Description: We describe the use of gold nanoparticle-oligonucleotide complexes as intracellular gene regulation agents for the control of protein expression in cells. These oligonucleotide-modified nanoparticles have affinity constants for complementary nucleic acids that are higher than their unmodified oligonucleotide counterparts, are less susceptible to degradation by nuclease activity, exhibit greater than 99% cellular uptake, can introduce oligonucleotides at a higher effective concentration than conventional transfection agents, and are nontoxic to the cells under the conditions studied. By chemically tailoring the density of DNA bound to the surface of gold nanoparticles, we demonstrated a tunable gene knockdown.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rosi, Nathaniel L -- Giljohann, David A -- Thaxton, C Shad -- Lytton-Jean, Abigail K R -- Han, Min Su -- Mirkin, Chad A -- New York, N.Y. -- Science. 2006 May 19;312(5776):1027-30.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Chemistry and International Institute for Nanotechnology, Northwestern University, 2145 Sheridan Road, Evanston, IL 60208-3113 USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16709779" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Line ; Deoxyribonucleases/metabolism ; *Gene Expression Regulation ; Glutathione/metabolism ; *Gold ; Green Fluorescent Proteins/genetics ; HeLa Cells ; Humans ; Mice ; *Nanostructures ; *Oligodeoxyribonucleotides, Antisense/metabolism ; RNA, Messenger
    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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  • 8
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    Comment on "On the regulation of populations of mammals, birds, fish, and insects" II (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-02-25
    Description: Sibly et al. (Reports, 22 July 2005, p. 607) recently estimated the relationship between population size and growth rate for 1780 time series of various species. I explain why some aspects of their analysis are questionable and, therefore, why their results and estimation procedure should be used with care.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ross, Joshua V -- New York, N.Y. -- Science. 2006 Feb 24;311(5764):1100; author reply 1100.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Mathematics, University of Queensland, St. Lucia, QLD 4072, Australia. jvr@maths.uq.edu.au〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16497916" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Birds ; Conservation of Natural Resources ; Ecosystem ; *Fishes ; *Insects ; Logistic Models ; *Mammals ; Mathematics ; Models, Biological ; Population Density ; Population Dynamics ; Population Growth ; Regression Analysis
    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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  • 9
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    An essential role for LEDGF/p75 in HIV integration (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-09-09
    Description: Chromosomal integration enables human immunodeficiency virus (HIV) to establish a permanent reservoir that can be therapeutically suppressed but not eradicated. Participation of cellular proteins in this obligate replication step is poorly understood. We used intensified RNA interference and dominant-negative protein approaches to show that the cellular transcriptional coactivator lens epithelium-derived growth factor (LEDGF)/p75 (p75) is an essential HIV integration cofactor. The mechanism requires both linkages of a molecular tether that p75 forms between integrase and chromatin. Fractionally minute levels of endogenous p75 are sufficient to enable integration, showing that cellular factors that engage HIV after entry may elude identification in less intensive knockdowns. Perturbing the p75-integrase interaction may have therapeutic potential.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Llano, Manuel -- Saenz, Dyana T -- Meehan, Anne -- Wongthida, Phonphimon -- Peretz, Mary -- Walker, William H -- Teo, Wulin -- Poeschla, Eric M -- New York, N.Y. -- Science. 2006 Oct 20;314(5798):461-4. Epub 2006 Sep 7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Molecular Medicine Program, Mayo Clinic College of Medicine, Rochester, MN 55905, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16959972" target="_blank"〉PubMed〈/a〉
    Keywords: Adaptor Proteins, Signal Transducing/chemistry/genetics/metabolism/*physiology ; CD4-Positive T-Lymphocytes/metabolism/*virology ; Cell Line ; Chromatin/*metabolism ; HIV Integrase/*metabolism ; HIV-1/*physiology ; Humans ; Intercellular Signaling Peptides and Proteins/metabolism ; RNA Interference ; Recombinant Fusion Proteins/metabolism ; Transcription Factors/chemistry/genetics/metabolism/*physiology ; *Virus Integration ; Virus Replication
    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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    Receptor activation alters inner surface potential during phagocytosis (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-07-22
    Description: The surface potential of biological membranes varies according to their lipid composition. We devised genetically encoded probes to assess surface potential in intact cells. These probes revealed marked, localized alterations in the charge of the inner surface of the plasma membrane of macrophages during the course of phagocytosis. Hydrolysis of phosphoinositides and displacement of phosphatidylserine accounted for the change in surface potential at the phagosomal cup. Signaling molecules such as K-Ras, Rac1, and c-Src that are targeted to the membrane by electrostatic interactions were rapidly released from membrane subdomains where the surface charge was altered by lipid remodeling during phagocytosis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Yeung, Tony -- Terebiznik, Mauricio -- Yu, Liming -- Silvius, John -- Abidi, Wasif M -- Philips, Mark -- Levine, Tim -- Kapus, Andras -- Grinstein, Sergio -- New York, N.Y. -- Science. 2006 Jul 21;313(5785):347-51.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Cell Biology, Hepatology, and Nutrition Department, Hospital for Sick Children, Toronto, Ontario M5G 1X8, Canada.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16857939" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Calcium/metabolism ; Cell Line ; Cell Membrane/*physiology ; Fluorescent Dyes/metabolism ; Hydrophobic and Hydrophilic Interactions ; Immunoglobulin G/immunology ; Ionomycin/pharmacology ; Lipid Bilayers/metabolism ; Liposomes/metabolism ; Macrophages/*physiology ; Membrane Potentials ; Mice ; Molecular Probes/metabolism ; Neuropeptides/metabolism ; Opsonin Proteins ; Peptides/metabolism ; *Phagocytosis ; Phagosomes/physiology ; Phospholipids/analysis/metabolism ; Receptors, Fc/immunology/metabolism ; Static Electricity ; rac GTP-Binding Proteins/metabolism ; rac1 GTP-Binding Protein ; ras Proteins/metabolism
    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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  • 11
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    Lamin A-dependent nuclear defects in human aging (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-04-29
    Description: Mutations in the nuclear structural protein lamin A cause the premature aging syndrome Hutchinson-Gilford progeria (HGPS). Whether lamin A plays any role in normal aging is unknown. We show that the same molecular mechanism responsible for HGPS is active in healthy cells. Cell nuclei from old individuals acquire defects similar to those of HGPS patient cells, including changes in histone modifications and increased DNA damage. Age-related nuclear defects are caused by sporadic use, in healthy individuals, of the same cryptic splice site in lamin A whose constitutive activation causes HGPS. Inhibition of this splice site reverses the nuclear defects associated with aging. These observations implicate lamin A in physiological aging.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1855250/" 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/PMC1855250/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Scaffidi, Paola -- Misteli, Tom -- Z01 BC010309-07/BC/NCI NIH HHS/ -- Intramural NIH HHS/ -- New York, N.Y. -- Science. 2006 May 19;312(5776):1059-63. Epub 2006 Apr 27.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉National Cancer Institute (NCI), NIH, Bethesda, MD 20892, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16645051" target="_blank"〉PubMed〈/a〉
    Keywords: Aged, 80 and over ; Aging/*physiology ; Cell Line ; Cell Nucleus/pathology ; DNA Damage ; Exons ; Histones/metabolism ; Humans ; Lamin Type A/genetics/*physiology ; Progeria/genetics/pathology ; RNA Splicing/genetics ; Signal Transduction ; Tumor Suppressor Protein p53/genetics/metabolism
    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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  • 12
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    ATM engages autodegradation of the E3 ubiquitin ligase COP1 after DNA damage (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-08-26
    Description: The ataxia telangiectasia mutated (ATM) protein kinase is a critical component of a DNA-damage response network configured to maintain genomic integrity. The abundance of an essential downstream effecter of this pathway, the tumor suppressor protein p53, is tightly regulated by controlled degradation through COP1 and other E3 ubiquitin ligases, such as MDM2 and Pirh2; however, the signal transduction pathway that regulates the COP1-p53 axis following DNA damage remains enigmatic. We observed that in response to DNA damage, ATM phosphorylated COP1 on Ser(387) and stimulated a rapid autodegradation mechanism. Ionizing radiation triggered an ATM-dependent movement of COP1 from the nucleus to the cytoplasm, and ATM-dependent phosphorylation of COP1 on Ser(387) was both necessary and sufficient to disrupt the COP1-p53 complex and subsequently to abrogate the ubiquitination and degradation of p53. Furthermore, phosphorylation of COP1 on Ser(387) was required to permit p53 to become stabilized and to exert its tumor suppressor properties in response to DNA damage.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Dornan, David -- Shimizu, Harumi -- Mah, Angie -- Dudhela, Tanay -- Eby, Michael -- O'rourke, Karen -- Seshagiri, Somasekar -- Dixit, Vishva M -- New York, N.Y. -- Science. 2006 Aug 25;313(5790):1122-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Physiological Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, CA 94080, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16931761" target="_blank"〉PubMed〈/a〉
    Keywords: Ataxia Telangiectasia Mutated Proteins ; Cell Cycle Proteins/genetics/*metabolism ; Cell Line ; Cell Line, Tumor ; Cell Nucleus/metabolism ; Cytoplasm/metabolism ; *DNA Damage ; DNA-Binding Proteins/genetics/*metabolism ; Escherichia coli/genetics/metabolism ; Etoposide/pharmacology ; Humans ; Mutation ; Nuclear Proteins/genetics/*metabolism ; Phosphorylation ; Phosphoserine/metabolism ; Proteasome Endopeptidase Complex/metabolism ; Protein-Serine-Threonine Kinases/genetics/*metabolism ; RNA, Small Interfering ; Radiation, Ionizing ; Recombinant Fusion Proteins/metabolism ; Transfection ; Tumor Suppressor Protein p53/genetics/metabolism ; Tumor Suppressor Proteins/genetics/*metabolism ; Ubiquitin/metabolism ; Ubiquitin-Protein Ligases/genetics/*metabolism
    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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  • 13
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    S6K1- and betaTRCP-mediated degradation of PDCD4 promotes protein translation and cell growth (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-10-21
    Description: The tumor suppressor programmed cell death protein 4 (PDCD4) inhibits the translation initiation factor eIF4A, an RNA helicase that catalyzes the unwinding of secondary structure at the 5' untranslated region (5'UTR) of messenger RNAs (mRNAs). In response to mitogens, PDCD4 was rapidly phosphorylated on Ser67 by the protein kinase S6K1 and subsequently degraded via the ubiquitin ligase SCF(betaTRCP). Expression in cultured cells of a stable PDCD4 mutant that is unable to bind betaTRCP inhibited translation of an mRNA with a structured 5'UTR, resulted in smaller cell size, and slowed down cell cycle progression. We propose that regulated degradation of PDCD4 in response to mitogens allows efficient protein synthesis and consequently cell growth.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Dorrello, N Valerio -- Peschiaroli, Angelo -- Guardavaccaro, Daniele -- Colburn, Nancy H -- Sherman, Nicholas E -- Pagano, Michele -- R01-CA76584/CA/NCI NIH HHS/ -- R01-GM57587/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2006 Oct 20;314(5798):467-71.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pathology, NYU Cancer Institute, New York University School of Medicine, 550 First Avenue, MSB 599, New York, NY 10016, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17053147" target="_blank"〉PubMed〈/a〉
    Keywords: 5' Untranslated Regions ; Amino Acid Motifs ; Apoptosis Regulatory Proteins/chemistry/genetics/*metabolism ; Binding Sites ; Cell Line ; Cell Line, Tumor ; *Cell Proliferation ; Cell Size ; Eukaryotic Initiation Factor-4A/antagonists & inhibitors/metabolism ; Eukaryotic Initiation Factor-4F/metabolism ; Eukaryotic Initiation Factor-4G/metabolism ; Eukaryotic Initiation Factors/metabolism ; Humans ; Mitogens/pharmacology ; Phosphorylation ; *Protein Biosynthesis ; RNA, Small Interfering ; RNA-Binding Proteins/chemistry/genetics/*metabolism ; Ribosomal Protein S6 Kinases/metabolism ; SKP Cullin F-Box Protein Ligases/*metabolism ; Serine/metabolism ; Serum ; Signal Transduction ; beta-Transducin Repeat-Containing Proteins/genetics/*metabolism
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  • 14
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    Conservation biology. Indian wildlife researchers show their fangs over permit hassles (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-11-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bagla, Pallava -- New York, N.Y. -- Science. 2006 Nov 10;314(5801):907.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17095664" target="_blank"〉PubMed〈/a〉
    Keywords: Animal Welfare/legislation & jurisprudence ; Animals ; *Animals, Wild ; Conservation of Natural Resources/*legislation & jurisprudence ; Ecosystem ; India ; *Research
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    Carbon-negative biofuels from low-input high-diversity grassland biomass (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-12-13
    Description: Biofuels derived from low-input high-diversity (LIHD) mixtures of native grassland perennials can provide more usable energy, greater greenhouse gas reductions, and less agrichemical pollution per hectare than can corn grain ethanol or soybean biodiesel. High-diversity grasslands had increasingly higher bioenergy yields that were 238% greater than monoculture yields after a decade. LIHD biofuels are carbon negative because net ecosystem carbon dioxide sequestration (4.4 megagram hectare(-1) year(-1) of carbon dioxide in soil and roots) exceeds fossil carbon dioxide release during biofuel production (0.32 megagram hectare(-1) year(-1)). Moreover, LIHD biofuels can be produced on agriculturally degraded lands and thus need to neither displace food production nor cause loss of biodiversity via habitat destruction.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tilman, David -- Hill, Jason -- Lehman, Clarence -- New York, N.Y. -- Science. 2006 Dec 8;314(5805):1598-600.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Ecology, Evolution, and Behavior, University of Minnesota, St. Paul, MN 55108, USA. tilman@umn.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17158327" target="_blank"〉PubMed〈/a〉
    Keywords: Agriculture ; Atmosphere ; *Biodiversity ; *Biomass ; *Carbon/analysis ; Carbon Dioxide/analysis/metabolism ; Ecosystem ; *Energy-Generating Resources ; Fabaceae/growth & development/metabolism ; Greenhouse Effect ; Plant Development ; Plant Roots/chemistry ; *Plants/metabolism ; *Poaceae/growth & development/metabolism ; Soil/analysis
    Print ISSN: 0036-8075
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    Ecology. Climate change and crop yields: beyond Cassandra (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-07-01
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Schimel, David -- New York, N.Y. -- Science. 2006 Jun 30;312(5782):1889-90.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Climate and Global Dynamics Division, National Center for Atmospheric Research, Boulder, CO 80307, USA. schimel@ucar.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16809520" target="_blank"〉PubMed〈/a〉
    Keywords: Atmosphere ; *Carbon Dioxide ; *Climate ; Crops, Agricultural/*growth & development/metabolism ; Ecosystem ; Forecasting ; Models, Theoretical ; Photosynthesis ; Temperature ; Zea mays/growth & development/metabolism
    Print ISSN: 0036-8075
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    Escherichia coli induces DNA double-strand breaks in eukaryotic cells (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-08-12
    Description: Transient infection of eukaryotic cells with commensal and extraintestinal pathogenic Escherichia coli of phylogenetic group B2 blocks mitosis and induces megalocytosis. This trait is linked to a widely spread genomic island that encodes giant modular nonribosomal peptide and polyketide synthases. Contact with E. coli expressing this gene cluster causes DNA double-strand breaks and activation of the DNA damage checkpoint pathway, leading to cell cycle arrest and eventually to cell death. Discovery of hybrid peptide-polyketide genotoxins in E. coli will change our view on pathogenesis and commensalism and open new biotechnological applications.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Nougayrede, Jean-Philippe -- Homburg, Stefan -- Taieb, Frederic -- Boury, Michele -- Brzuszkiewicz, Elzbieta -- Gottschalk, Gerhard -- Buchrieser, Carmen -- Hacker, Jorg -- Dobrindt, Ulrich -- Oswald, Eric -- New York, N.Y. -- Science. 2006 Aug 11;313(5788):848-51.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉INRA, UMR1225, Ecole Nationale Veterinaire de Toulouse, Toulouse F-31076, France.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16902142" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Ataxia Telangiectasia Mutated Proteins ; Cell Cycle ; Cell Cycle Proteins/metabolism ; Cell Death ; Cell Line ; Cell Nucleus/chemistry ; Cytotoxins/*metabolism ; DNA/analysis ; *DNA Damage ; DNA-Binding Proteins/metabolism ; Escherichia coli/genetics/*pathogenicity/*physiology ; G2 Phase ; *Genomic Islands ; HeLa Cells ; Histones/metabolism ; Humans ; Intestinal Mucosa/cytology/microbiology ; Molecular Sequence Data ; Mutagenesis ; Mutagens/*metabolism ; Peptides/*metabolism ; Phosphorylation ; Polyketide Synthases/genetics ; Protein-Serine-Threonine Kinases/metabolism ; Rats ; Signal Transduction ; Tumor Suppressor Proteins/metabolism
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    Fish population and behavior revealed by instantaneous continental shelf-scale imaging (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-02-04
    Description: Until now, continental shelf environments have been monitored with highly localized line-transect methods from slow-moving research vessels. These methods significantly undersample fish populations in time and space, leaving an incomplete and ambiguous record of abundance and behavior. We show that fish populations in continental shelf environments can be instantaneously imaged over thousands of square kilometers and continuously monitored by a remote sensing technique in which the ocean acts as an acoustic waveguide. The technique has revealed the instantaneous horizontal structural characteristics and volatile short-term behavior of very large fish shoals, containing tens of millions of fish and stretching for many kilometers.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Makris, Nicholas C -- Ratilal, Purnima -- Symonds, Deanelle T -- Jagannathan, Srinivasan -- Lee, Sunwoong -- Nero, Redwood W -- New York, N.Y. -- Science. 2006 Feb 3;311(5761):660-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Ocean Science and Engineering, Department of Mechanical Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA 02139, USA. makris@mit.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16456080" target="_blank"〉PubMed〈/a〉
    Keywords: Acoustics ; Animals ; Atlantic Ocean ; Behavior, Animal ; Ecosystem ; *Fishes ; Oceanography ; Population Density ; Population Dynamics ; *Seawater ; Time
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    Wildlife conservation. The carnivore comeback (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-11-04
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Enserink, Martin -- Vogel, Gretchen -- New York, N.Y. -- Science. 2006 Nov 3;314(5800):746-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17082433" target="_blank"〉PubMed〈/a〉
    Keywords: Animal Migration ; Animals ; Animals, Domestic ; *Animals, Wild ; Behavior, Animal ; *Carnivora/genetics/physiology ; *Conservation of Natural Resources ; Ecosystem ; Europe ; Humans ; Population Dynamics ; Public Opinion ; Ursidae
    Print ISSN: 0036-8075
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    Migration and dispersal. As the seas warm (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-08-12
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kintisch, Eli -- New York, N.Y. -- Science. 2006 Aug 11;313(5788):776-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16902120" target="_blank"〉PubMed〈/a〉
    Keywords: *Animal Migration ; Animals ; Atlantic Ocean ; Birds/*physiology ; *Climate ; Databases, Factual ; Ecosystem ; Fishes/*physiology ; Mammals/*physiology ; Marine Biology ; Oceans and Seas ; Plankton/physiology ; Seawater ; Temperature ; Turtles/*physiology
    Print ISSN: 0036-8075
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    Harvesting our meadows for biofuel? (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-06-24
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Palmer, Michael W -- New York, N.Y. -- Science. 2006 Jun 23;312(5781):1745-6; author reply 1745-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16794061" target="_blank"〉PubMed〈/a〉
    Keywords: Biodiversity ; Ecosystem ; *Energy-Generating Resources ; Ethanol ; *Poaceae/growth & development/metabolism ; United States
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  • 22
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    Atmosphere. Plant respiration in a warmer world (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-04-29
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉King, Anthony W -- Gunderson, Carla A -- Post, Wilfred M -- Weston, David J -- Wullschleger, Stan D -- New York, N.Y. -- Science. 2006 Apr 28;312(5773):536-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Environmental Sciences Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA. kingaw@ornl.gov〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16645083" target="_blank"〉PubMed〈/a〉
    Keywords: *Acclimatization ; Atmosphere ; Carbon/*metabolism ; Carbon Dioxide/metabolism ; *Climate ; Computer Simulation ; Ecosystem ; Mathematics ; Models, Biological ; *Oxygen Consumption ; Plant Leaves/*metabolism ; Soil/analysis ; *Temperature
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    Comment on "Neutral ecological theory reveals isolation and rapid speciation in a biodiversity hot spot" (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-02-04
    Description: Latimer et al. (Reports, 9 September 2005, p. 1722) used an approximate likelihood function to estimate parameters of Hubbell's neutral model of biodiversity. Reanalysis with the exact likelihood not only yields different estimates but also shows that two similar likelihood maxima for very different parameter combinations can occur. This reveals a limitation of using species abundance data to gain insight into speciation and dispersal.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Etienne, Rampal S -- Latimer, Andrew M -- Silander, John A Jr -- Cowling, Richard M -- New York, N.Y. -- Science. 2006 Feb 3;311(5761):610.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Community and Conservation Ecology Group, University of Groningen, Box 14, 9750 AA Haren, The Netherlands. r.s.etienne@rug.nl〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16456064" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bayes Theorem ; *Biodiversity ; *Ecology ; Ecosystem ; *Genetic Speciation ; Likelihood Functions ; Models, Biological ; *Plants/classification/genetics ; South Africa
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    Research conduct. Lessons of the stem cell scandal (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-02-04
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cho, Mildred K -- McGee, Glenn -- Magnus, David -- New York, N.Y. -- Science. 2006 Feb 3;311(5761):614-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Stanford Center for Biomedical Ethics, Department of Pediatrics; Palo Alto, CA 94304, USA. micho@stanford.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16456065" target="_blank"〉PubMed〈/a〉
    Keywords: Academies and Institutes/ethics/*standards ; Authorship ; Biomedical Research/*ethics/*standards ; Cell Line ; *Ethics, Research ; Female ; Humans ; Korea ; Oocyte Donation/adverse effects ; Research Personnel/*ethics/standards ; Research Support as Topic ; Scientific Misconduct ; Stem Cells ; United States
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    Stem cell research. Scientists object to Massachusetts rules (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-09-09
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Holden, Constance -- New York, N.Y. -- Science. 2006 Sep 8;313(5792):1372.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16959980" target="_blank"〉PubMed〈/a〉
    Keywords: Cell Line ; Cloning, Organism/legislation & jurisprudence ; Embryo Research/ethics/*legislation & jurisprudence ; Embryo, Mammalian/cytology ; Humans ; Massachusetts ; Research Embryo Creation/ethics/legislation & jurisprudence ; *Stem Cells
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    Biodiversity. Confronting amphibian declines and extinctions (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-07-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mendelson, Joseph R 3rd -- Lips, Karen R -- Gagliardo, Ronald W -- Rabb, George B -- Collins, James P -- Diffendorfer, James E -- Daszak, Peter -- Ibanez D, Roberto -- Zippel, Kevin C -- Lawson, Dwight P -- Wright, Kevin M -- Stuart, Simon N -- Gascon, Claude -- da Silva, Helio R -- Burrowes, Patricia A -- Joglar, Rafael L -- La Marca, Enrique -- Lotters, Stefan -- du Preez, Louis H -- Weldon, Che -- Hyatt, Alex -- Rodriguez-Mahecha, Jose Vicente -- Hunt, Susan -- Robertson, Helen -- Lock, Brad -- Raxworthy, Christopher J -- Frost, Darrel R -- Lacy, Robert C -- Alford, Ross A -- Campbell, Jonathan A -- Parra-Olea, Gabriela -- Bolanos, Federico -- Domingo, Jose Joaquin Calvo -- Halliday, Tim -- Murphy, James B -- Wake, Marvalee H -- Coloma, Luis A -- Kuzmin, Sergius L -- Price, Mark Stanley -- Howell, Kim M -- Lau, Michael -- Pethiyagoda, Rohan -- Boone, Michelle -- Lannoo, Michael J -- Blaustein, Andrew R -- Dobson, Andy -- Griffiths, Richard A -- Crump, Martha L -- Wake, David B -- Brodie, Edmund D Jr -- New York, N.Y. -- Science. 2006 Jul 7;313(5783):48.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Zoo Atlanta, 800 Cherokee Avenue SE, Atlanta, GA 30315, USA. jmendelson@zooatlanta.org〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16825553" target="_blank"〉PubMed〈/a〉
    Keywords: *Amphibians ; Animals ; *Biodiversity ; Chytridiomycota ; Conservation of Natural Resources ; Ecosystem ; *International Agencies ; International Cooperation ; Mycoses/veterinary ; Population Dynamics
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    Aquaculture in offshore zones (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-12-27
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Flint, R Warren -- New York, N.Y. -- Science. 2006 Dec 22;314(5807):1875-6; author reply 1875-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17190011" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Aquaculture/legislation & jurisprudence ; Ecosystem ; Environment ; Fisheries/legislation & jurisprudence ; Oceans and Seas ; United States
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  • 28
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    Protrudin induces neurite formation by directional membrane trafficking (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-11-04
    Description: Guanosine triphosphatases of the Rab family are key regulators of membrane trafficking, with Rab11 playing a specific role in membrane recycling. We identified a mammalian protein, protrudin, that promoted neurite formation through interaction with the guanosine diphosphate (GDP)-bound form of Rab11. Phosphorylation of protrudin by extracellular signal-regulated kinase (ERK) in response to nerve growth factor promoted protrudin association with Rab11-GDP. Down-regulation of protrudin by RNA interference induced membrane extension in all directions and inhibited neurite formation. Thus, protrudin regulates Rab11-dependent membrane recycling to promote the directional membrane trafficking required for neurite formation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Shirane, Michiko -- Nakayama, Keiichi I -- New York, N.Y. -- Science. 2006 Nov 3;314(5800):818-21.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular and Cellular Biology, Medical Institute of Bioregulation, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka, Fukuoka 812-8582, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17082457" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Carrier Proteins/chemistry/genetics/*metabolism ; Cell Adhesion Molecules/metabolism ; Cell Line ; Cell Membrane/*metabolism ; Extracellular Signal-Regulated MAP Kinases/metabolism ; Guanosine Diphosphate/metabolism ; HeLa Cells ; Humans ; MAP Kinase Kinase 1/metabolism ; Membrane Proteins ; Mice ; Mice, Inbred C57BL ; Molecular Sequence Data ; Nerve Growth Factor/pharmacology/physiology ; Neurites/*physiology ; PC12 Cells ; Phosphorylation ; RNA Interference ; Rats ; Recombinant Fusion Proteins/chemistry/metabolism ; Vesicular Transport Proteins ; rab GTP-Binding Proteins/metabolism
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  • 29
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    Evolution. Competition drives big beaks out of business (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-07-15
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pennisi, Elizabeth -- New York, N.Y. -- Science. 2006 Jul 14;313(5784):156.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16840668" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Beak/*anatomy & histology ; *Biological Evolution ; Competitive Behavior ; Diet ; Disasters ; Ecosystem ; Ecuador ; Feeding Behavior ; *Finches/anatomy & histology/physiology ; *Food ; Population Dynamics ; *Seeds ; *Selection, Genetic
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  • 30
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    Late colonization of Easter Island (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-03-11
    Description: Easter Island (Rapa Nui) provides a model of human-induced environmental degradation. A reliable chronology is central to understanding the cultural, ecological, and demographic processes involved. Radiocarbon dates for the earliest stratigraphic layers at Anakena, Easter Island, and analysis of previous radiocarbon dates imply that the island was colonized late, about 1200 A.D. Substantial ecological impacts and major cultural investments in monumental architecture and statuary thus began soon after initial settlement.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hunt, Terry L -- Lipo, Carl P -- New York, N.Y. -- Science. 2006 Mar 17;311(5767):1603-6. Epub 2006 Mar 9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Anthropology, University of Hawai'i Manoa, 2424 Maile Way, Honolulu, HI 96822, USA. thunt@hawaii.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16527931" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Anthropology ; Anthropology, Cultural ; Conservation of Natural Resources ; Ecosystem ; Emigration and Immigration/*history ; *Environment ; History, Ancient ; Humans ; Plants ; Polynesia ; Population Density ; Population Dynamics ; Population Growth
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    Antibody class switching mediated by yeast endonuclease-generated DNA breaks (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-12-16
    Description: Antibody class switching in activated B cells uses class switch recombination (CSR), which joins activation-induced cytidine deaminase (AID)-dependent double-strand breaks (DSBs) within two large immunoglobulin heavy chain (IgH) locus switch (S) regions that lie up to 200 kilobases apart. To test postulated roles of S regions and AID in CSR, we generated mutant B cells in which donor Smu and accepter Sgamma1 regions were replaced with yeast I-SceI endonuclease sites. We found that site-specific I-SceI DSBs mediate recombinational IgH locus class switching from IgM to IgG1 without S regions or AID. We propose that CSR evolved to exploit a general DNA repair process that promotes joining of widely separated DSBs within a chromosome.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zarrin, Ali A -- Del Vecchio, Catherine -- Tseng, Eva -- Gleason, Megan -- Zarin, Payam -- Tian, Ming -- Alt, Frederick W -- 2P01AI031541-15/AI/NIAID NIH HHS/ -- P01CA092625-05/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 2007 Jan 19;315(5810):377-81. Epub 2006 Dec 14.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Children's Hospital, CBR Institute for Biomedical Research, and Department of Genetics, Harvard University Medical School, Boston, MA 02115, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17170253" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; B-Lymphocytes/*immunology ; Base Sequence ; Cell Line ; Cytidine Deaminase/*metabolism ; *DNA Breaks, Double-Stranded ; DNA Repair ; Deoxyribonucleases, Type II Site-Specific/genetics/*metabolism ; Embryonic Stem Cells ; Gene Targeting ; Genes, Immunoglobulin Heavy Chain ; Hybridomas ; *Immunoglobulin Class Switching ; Immunoglobulin G/biosynthesis/genetics ; Immunoglobulin M/biosynthesis/genetics ; *Immunoglobulin Switch Region ; Lymphocyte Activation ; Mice ; Mice, Inbred C57BL ; Molecular Sequence Data ; Mutation ; Recombination, Genetic ; Saccharomyces cerevisiae/enzymology ; Saccharomyces cerevisiae Proteins
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    Histocompatible embryonic stem cells by parthenogenesis (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-12-16
    Description: Genetically matched pluripotent embryonic stem (ES) cells generated via nuclear transfer or parthenogenesis (pES cells) are a potential source of histocompatible cells and tissues for transplantation. After parthenogenetic activation of murine oocytes and interruption of meiosis I or II, we isolated and genotyped pES cells and characterized those that carried the full complement of major histocompatibility complex (MHC) antigens of the oocyte donor. Differentiated tissues from these pES cells engrafted in immunocompetent MHC-matched mouse recipients, demonstrating that selected pES cells can serve as a source of histocompatible tissues for transplantation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kim, Kitai -- Lerou, Paul -- Yabuuchi, Akiko -- Lengerke, Claudia -- Ng, Kitwa -- West, Jason -- Kirby, Andrew -- Daly, Mark J -- Daley, George Q -- T32: HD07466/HD/NICHD NIH HHS/ -- New York, N.Y. -- Science. 2007 Jan 26;315(5811):482-6. Epub 2006 Dec 14.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Pediatric Hematology/Oncology, Children's Hospital Boston and Dana Farber Cancer Institute, Boston, MA 02115, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17170255" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Differentiation ; Cell Line ; Chromosome Segregation ; Embryonic Stem Cells/cytology/*immunology/physiology ; Female ; Genotype ; H-2 Antigens/*genetics/*immunology ; Heterozygote ; *Histocompatibility ; Histocompatibility Antigens Class II/genetics/immunology ; *Major Histocompatibility Complex ; Meiosis ; Mice ; Mice, Inbred C57BL ; Mice, Inbred CBA ; Oocytes/cytology/immunology ; *Parthenogenesis ; Pluripotent Stem Cells/cytology/*immunology/physiology ; Polymerase Chain Reaction ; Recombination, Genetic ; Stem Cell Transplantation
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    A "silent" polymorphism in the MDR1 gene changes substrate specificity (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-12-23
    Description: Synonymous single-nucleotide polymorphisms (SNPs) do not produce altered coding sequences, and therefore they are not expected to change the function of the protein in which they occur. We report that a synonymous SNP in the Multidrug Resistance 1 (MDR1) gene, part of a haplotype previously linked to altered function of the MDR1 gene product P-glycoprotein (P-gp), nonetheless results in P-gp with altered drug and inhibitor interactions. Similar mRNA and protein levels, but altered conformations, were found for wild-type and polymorphic P-gp. We hypothesize that the presence of a rare codon, marked by the synonymous polymorphism, affects the timing of cotranslational folding and insertion of P-gp into the membrane, thereby altering the structure of substrate and inhibitor interaction sites.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kimchi-Sarfaty, Chava -- Oh, Jung Mi -- Kim, In-Wha -- Sauna, Zuben E -- Calcagno, Anna Maria -- Ambudkar, Suresh V -- Gottesman, Michael M -- Intramural NIH HHS/ -- New York, N.Y. -- Science. 2007 Jan 26;315(5811):525-8. Epub 2006 Dec 21.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Cell Biology, Center for Cancer Research, National Cancer Institute, Bethesda, MD 20892, USA. kimchi@cber.fda.gov〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17185560" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Line ; Cell Membrane/metabolism ; Cercopithecus aethiops ; Codon ; Cyclosporine/pharmacology ; *Genes, MDR ; Haplotypes ; HeLa Cells ; Humans ; Mutagenesis, Site-Directed ; P-Glycoprotein/antagonists & inhibitors/*chemistry/genetics/*metabolism ; *Polymorphism, Single Nucleotide ; Protein Biosynthesis ; Protein Conformation ; *Protein Folding ; Protein Structure, Tertiary ; RNA, Messenger/genetics/metabolism ; Reverse Transcriptase Polymerase Chain Reaction ; Rhodamine 123/metabolism/pharmacology ; Sirolimus/pharmacology ; Substrate Specificity ; Transfection ; Verapamil/metabolism/pharmacology
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    CRACM1 is a plasma membrane protein essential for store-operated Ca2+ entry (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-04-29
    Description: Store-operated Ca2+ entry is mediated by Ca2+ release-activated Ca2+ (CRAC) channels following Ca2+ release from intracellular stores. We performed a genome-wide RNA interference (RNAi) screen in Drosophila cells to identify proteins that inhibit store-operated Ca2+ influx. A secondary patch-clamp screen identified CRACM1 and CRACM2 (CRAC modulators 1 and 2) as modulators of Drosophila CRAC currents. We characterized the human ortholog of CRACM1, a plasma membrane-resident protein encoded by gene FLJ14466. Although overexpression of CRACM1 did not affect CRAC currents, RNAi-mediated knockdown disrupted its activation. CRACM1 could be the CRAC channel itself, a subunit of it, or a component of the CRAC signaling machinery.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Vig, M -- Peinelt, C -- Beck, A -- Koomoa, D L -- Rabah, D -- Koblan-Huberson, M -- Kraft, S -- Turner, H -- Fleig, A -- Penner, R -- Kinet, J-P -- 5-R37-GM053950/GM/NIGMS NIH HHS/ -- R01-AI050200/AI/NIAID NIH HHS/ -- R01-GM065360/GM/NIGMS NIH HHS/ -- R01-NS040927/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 2006 May 26;312(5777):1220-3. Epub 2006 Apr 27.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pathology, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA 02215, USA. mvig@bidmc.harvard.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16645049" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Calcium/*metabolism ; Calcium Channels/*metabolism ; Cell Line ; Cell Membrane/metabolism ; Drosophila Proteins/*genetics/*metabolism ; Drosophila melanogaster/*metabolism ; Endoplasmic Reticulum/metabolism ; Humans ; Ion Transport ; Jurkat Cells ; Membrane Proteins/genetics/*metabolism ; Patch-Clamp Techniques ; RNA Interference ; RNA, Small Interfering ; Reverse Transcriptase Polymerase Chain Reaction
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    Imaging intracellular fluorescent proteins at nanometer resolution (2006)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2006-08-12
    Description: We introduce a method for optically imaging intracellular proteins at nanometer spatial resolution. Numerous sparse subsets of photoactivatable fluorescent protein molecules were activated, localized (to approximately 2 to 25 nanometers), and then bleached. The aggregate position information from all subsets was then assembled into a superresolution image. We used this method--termed photoactivated localization microscopy--to image specific target proteins in thin sections of lysosomes and mitochondria; in fixed whole cells, we imaged vinculin at focal adhesions, actin within a lamellipodium, and the distribution of the retroviral protein Gag at the plasma membrane.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Betzig, Eric -- Patterson, George H -- Sougrat, Rachid -- Lindwasser, O Wolf -- Olenych, Scott -- Bonifacino, Juan S -- Davidson, Michael W -- Lippincott-Schwartz, Jennifer -- Hess, Harald F -- New York, N.Y. -- Science. 2006 Sep 15;313(5793):1642-5. Epub 2006 Aug 10.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Janelia Farm Research Campus, Ashburn, VA 20147, USA. betzige@janelia.hhmi.org〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16902090" target="_blank"〉PubMed〈/a〉
    Keywords: Actins/analysis ; Algorithms ; Animals ; COS Cells ; Cell Line ; Cell Membrane/*chemistry ; Cercopithecus aethiops ; Fluorescence ; Focal Adhesions/chemistry ; Gene Products, gag/analysis ; Hiv-1 ; Light ; Luminescent Proteins/*analysis ; Lysosomes/chemistry ; Microscopy/*methods ; Mitochondria/chemistry ; *Nanotechnology ; Organelles/*chemistry ; Photobleaching ; Proteins/*analysis ; Pseudopodia/chemistry ; Recombinant Fusion Proteins/*analysis ; Vinculin/analysis
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    Comment on "On the regulation of populations of mammals, birds, fish, and insects" I (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-02-25
    Description: Sibly et al. (Reports, 22 July 2005, p. 607) concluded that density dependence acts far below the carrying capacity in most animal populations. We argue that the authors confused discrete and continuous models, that their best-fit models cannot explain observed oscillations, and that their estimation procedures appear biased. They also neglected trophic and migratory processes, which we demonstrate could underlie their empirical findings.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Getz, Wayne M -- Lloyd-Smith, James O -- New York, N.Y. -- Science. 2006 Feb 24;311(5764):1100; author reply 1100.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Environmental Sciences, Policy, and Management, University of California at Berkeley, CA 94720-3114, USA. getz@nature.berkeley.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16497915" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Birds ; Conservation of Natural Resources ; Databases, Factual ; Ecosystem ; *Fishes ; *Insects ; Logistic Models ; *Mammals ; Mathematics ; Models, Biological ; Population Density ; Population Dynamics ; Population Growth ; Regression Analysis
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    Stem cells. Team claims success with cow-mouse nuclear transfer (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-07-15
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Vogel, Gretchen -- New York, N.Y. -- Science. 2006 Jul 14;313(5784):155-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16840666" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Blastocyst ; Cattle ; Cell Line ; *Cloning, Organism ; Embryo, Mammalian/cytology ; Humans ; Mice ; *Nuclear Transfer Techniques ; *Oocytes ; *Stem Cells ; *Transplantation, Heterologous
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    A centrosome-independent role for gamma-TuRC proteins in the spindle assembly checkpoint (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-10-28
    Description: The spindle assembly checkpoint guards the fidelity of chromosome segregation. It requires the close cooperation of cell cycle regulatory proteins and cytoskeletal elements to sense spindle integrity. The role of the centrosome, the organizing center of the microtubule cytoskeleton, in the spindle checkpoint is unclear. We found that the molecular requirements for a functional spindle checkpoint included components of the large gamma-tubulin ring complex (gamma-TuRC). However, their localization at the centrosome and centrosome integrity were not essential for this function. Thus, the spindle checkpoint can be activated at the level of microtubule nucleation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Muller, Hannah -- Fogeron, Marie-Laure -- Lehmann, Verena -- Lehrach, Hans -- Lange, Bodo M H -- New York, N.Y. -- Science. 2006 Oct 27;314(5799):654-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Vertebrate Genomics, Max-Planck Institute for Molecular Genetics, Ihnestrasse 73, D-14195 Berlin, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17068266" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Cycle Proteins/metabolism ; Cell Line ; Centrosome/physiology ; Drosophila Proteins/genetics/*metabolism ; Drosophila melanogaster ; Homeodomain Proteins/genetics/metabolism ; Humans ; Kinetochores/metabolism ; Microtubule-Associated Proteins/genetics/*metabolism ; Microtubules/ultrastructure ; *Mitosis ; Protein Kinases/metabolism ; Protein-Serine-Threonine Kinases ; RNA Interference ; Spindle Apparatus/*metabolism/ultrastructure ; Tubulin/*metabolism
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    A virus reveals population structure and recent demographic history of its carnivore host (2006)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2006-01-28
    Description: Directly transmitted parasites often provide substantial information about the temporal and spatial characteristics of host-to-host contact. Here, we demonstrate that a fast-evolving virus (feline immunodeficiency virus, FIV) can reveal details of the contemporary population structure and recent demographic history of its natural wildlife host (Puma concolor) that were not apparent from host genetic data and would be impossible to obtain by other means. We suggest that rapidly evolving pathogens may provide a complementary tool for studying population dynamics of their hosts in "shallow" time.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Biek, Roman -- Drummond, Alexei J -- Poss, Mary -- New York, N.Y. -- Science. 2006 Jan 27;311(5760):538-41.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Wildlife Biology Program, University of Montana, Missoula, MT 59812, USA. rbiek@emory.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16439664" target="_blank"〉PubMed〈/a〉
    Keywords: Alberta/epidemiology ; Animals ; Bayes Theorem ; British Columbia/epidemiology ; Ecosystem ; *Evolution, Molecular ; Genes, env ; Genes, pol ; Geography ; Immunodeficiency Virus, Feline/*classification/*genetics ; Lentivirus Infections/epidemiology/*veterinary/virology ; Microsatellite Repeats ; Molecular Sequence Data ; Montana/epidemiology ; Phylogeny ; Population Dynamics ; *Puma/genetics/virology ; Time Factors ; Wyoming/epidemiology
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    The Connectivity Map: using gene-expression signatures to connect small molecules, genes, and disease (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-09-30
    Description: To pursue a systematic approach to the discovery of functional connections among diseases, genetic perturbation, and drug action, we have created the first installment of a reference collection of gene-expression profiles from cultured human cells treated with bioactive small molecules, together with pattern-matching software to mine these data. We demonstrate that this "Connectivity Map" resource can be used to find connections among small molecules sharing a mechanism of action, chemicals and physiological processes, and diseases and drugs. These results indicate the feasibility of the approach and suggest the value of a large-scale community Connectivity Map project.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lamb, Justin -- Crawford, Emily D -- Peck, David -- Modell, Joshua W -- Blat, Irene C -- Wrobel, Matthew J -- Lerner, Jim -- Brunet, Jean-Philippe -- Subramanian, Aravind -- Ross, Kenneth N -- Reich, Michael -- Hieronymus, Haley -- Wei, Guo -- Armstrong, Scott A -- Haggarty, Stephen J -- Clemons, Paul A -- Wei, Ru -- Carr, Steven A -- Lander, Eric S -- Golub, Todd R -- New York, N.Y. -- Science. 2006 Sep 29;313(5795):1929-35.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Broad Institute of Massachusetts Institute of Technology and Harvard University, Cambridge, MA 02142, USA. justin@broad.mit.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17008526" target="_blank"〉PubMed〈/a〉
    Keywords: Alzheimer Disease/drug therapy/genetics ; Cell Line ; Cell Line, Tumor ; *Databases, Factual ; Dexamethasone/pharmacology/therapeutic use ; Drug Evaluation, Preclinical/*methods ; Drug Resistance, Neoplasm ; Enzyme Inhibitors/pharmacology ; Estrogens/pharmacology ; Gene Expression/*drug effects ; *Gene Expression Profiling ; HSP90 Heat-Shock Proteins/antagonists & inhibitors ; Histone Deacetylase Inhibitors ; Humans ; Limonins/pharmacology ; Obesity/genetics/physiopathology ; Oligonucleotide Array Sequence Analysis ; Phenothiazines/pharmacology ; Precursor Cell Lymphoblastic Leukemia-Lymphoma/drug ; therapy/genetics/physiopathology ; Sirolimus/pharmacology/therapeutic use ; Software
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    RNA interference directs innate immunity against viruses in adult Drosophila (2006)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2006-03-25
    Description: Innate immunity against bacterial and fungal pathogens is mediated by Toll and immune deficiency (Imd) pathways, but little is known about the antiviral response in Drosophila. Here, we demonstrate that an RNA interference pathway protects adult flies from infection by two evolutionarily diverse viruses. Our work also describes a molecular framework for the viral immunity, in which viral double-stranded RNA produced during infection acts as the pathogen trigger whereas Drosophila Dicer-2 and Argonaute-2 act as host sensor and effector, respectively. These findings establish a Drosophila model for studying the innate immunity against viruses in animals.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1509097/" 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/PMC1509097/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wang, Xiao-Hong -- Aliyari, Roghiyh -- Li, Wan-Xiang -- Li, Hong-Wei -- Kim, Kevin -- Carthew, Richard -- Atkinson, Peter -- Ding, Shou-Wei -- AI052447/AI/NIAID NIH HHS/ -- R01 AI052447/AI/NIAID NIH HHS/ -- R01 GM068743/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2006 Apr 21;312(5772):452-4. Epub 2006 Mar 23.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Graduate Program for Microbiology, University of California, Riverside, CA 92521, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16556799" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Argonaute Proteins ; Cell Line ; Drosophila Proteins/genetics/metabolism/physiology ; Drosophila melanogaster/embryology/genetics/*immunology/*virology ; Embryo, Nonmammalian/immunology/virology ; Escherichia coli/physiology ; *Immunity, Innate ; Insect Viruses/genetics/*physiology ; Micrococcus luteus/physiology ; Mutation ; Nodaviridae/*physiology ; RNA Helicases/genetics/metabolism ; *RNA Interference ; RNA Viruses/genetics/physiology ; RNA, Double-Stranded/metabolism ; RNA, Small Interfering/metabolism ; RNA, Viral/genetics/metabolism ; RNA-Binding Proteins/genetics/physiology ; RNA-Induced Silencing Complex/genetics/physiology ; Ribonuclease III ; Signal Transduction ; Toll-Like Receptors/physiology ; Transfection ; Virus Replication
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    Stem cells. Scientists derive line from single embryo cell (2006)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2006-08-26
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Vogel, Gretchen -- New York, N.Y. -- Science. 2006 Aug 25;313(5790):1031.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16931729" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Blastomeres/*cytology ; Cell Culture Techniques ; Cell Division ; Cell Line ; *Embryo Research ; Embryo, Mammalian/cytology ; Humans ; Mice ; *Stem Cells/cytology
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    Differential targeting of Gbetagamma-subunit signaling with small molecules (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-04-22
    Description: G protein betagamma subunits have potential as a target for therapeutic treatment of a number of diseases. We performed virtual docking of a small-molecule library to a site on Gbetagamma subunits that mediates protein interactions. We hypothesized that differential targeting of this surface could allow for selective modulation of Gbetagamma subunit functions. Several compounds bound to Gbetagamma subunits with affinities from 0.1 to 60 muM and selectively modulated functional Gbetagamma-protein-protein interactions in vitro, chemotactic peptide signaling pathways in HL-60 leukocytes, and opioid receptor-dependent analgesia in vivo. These data demonstrate an approach for modulation of G protein-coupled receptor signaling that may represent an important therapeutic strategy.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bonacci, Tabetha M -- Mathews, Jennifer L -- Yuan, Chujun -- Lehmann, David M -- Malik, Sundeep -- Wu, Dianqing -- Font, Jose L -- Bidlack, Jean M -- Smrcka, Alan V -- GM60286/GM/NIGMS NIH HHS/ -- HL-T3207949/HL/NHLBI NIH HHS/ -- HL080706/HL/NHLBI NIH HHS/ -- K05-DA00360/DA/NIDA NIH HHS/ -- R01 CA132317/CA/NCI NIH HHS/ -- R01 GM054597/GM/NIGMS NIH HHS/ -- R01 GM054597-09/GM/NIGMS NIH HHS/ -- R01 HL080706/HL/NHLBI NIH HHS/ -- R01 HL080706-10/HL/NHLBI NIH HHS/ -- R01 HL080706-11/HL/NHLBI NIH HHS/ -- T32DA07232/DA/NIDA NIH HHS/ -- New York, N.Y. -- Science. 2006 Apr 21;312(5772):443-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pharmacology and Physiology, University of Rochester School of Medicine and Dentistry, Rochester, NY 14642, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16627746" target="_blank"〉PubMed〈/a〉
    Keywords: Analgesics/pharmacology ; Animals ; Binding Sites ; Binding, Competitive ; Cell Line ; Computer Simulation ; Cyclohexanes/chemistry/*metabolism/*pharmacology ; Drug Evaluation, Preclinical/*methods ; Enzyme-Linked Immunosorbent Assay ; G-Protein-Coupled Receptor Kinase 2 ; GTP-Binding Protein alpha Subunits/metabolism ; GTP-Binding Protein beta Subunits/chemistry/*metabolism ; GTP-Binding Protein gamma Subunits/chemistry/*metabolism ; HL-60 Cells ; Humans ; Isoenzymes/metabolism ; Mice ; Mice, Inbred ICR ; Mitogen-Activated Protein Kinases/metabolism ; Molecular Structure ; Morphine/pharmacology ; N-Formylmethionine Leucyl-Phenylalanine/metabolism ; Peptide Library ; Peptides/*metabolism ; Phosphatidylinositol 3-Kinases/metabolism ; Phospholipase C beta ; Protein Binding ; Protein Interaction Mapping ; *Signal Transduction ; Software ; Structure-Activity Relationship ; Type C Phospholipases/metabolism ; Xanthenes/chemistry/*metabolism/*pharmacology ; beta-Adrenergic Receptor Kinases/metabolism
    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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    The impact of boreal forest fire on climate warming (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-11-18
    Description: We report measurements and analysis of a boreal forest fire, integrating the effects of greenhouse gases, aerosols, black carbon deposition on snow and sea ice, and postfire changes in surface albedo. The net effect of all agents was to increase radiative forcing during the first year (34 +/- 31 Watts per square meter of burned area), but to decrease radiative forcing when averaged over an 80-year fire cycle (-2.3 +/- 2.2 Watts per square meter) because multidecadal increases in surface albedo had a larger impact than fire-emitted greenhouse gases. This result implies that future increases in boreal fire may not accelerate climate warming.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Randerson, J T -- Liu, H -- Flanner, M G -- Chambers, S D -- Jin, Y -- Hess, P G -- Pfister, G -- Mack, M C -- Treseder, K K -- Welp, L R -- Chapin, F S -- Harden, J W -- Goulden, M L -- Lyons, E -- Neff, J C -- Schuur, E A G -- Zender, C S -- New York, N.Y. -- Science. 2006 Nov 17;314(5802):1130-2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Earth System Science, University of California, Irvine, CA 92697, USA. jranders@uci.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17110574" target="_blank"〉PubMed〈/a〉
    Keywords: Ecosystem ; *Fires ; *Greenhouse Effect ; *Trees
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Cell biology. Picking up the pieces after Hwang (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-04-29
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Vogel, Gretchen -- New York, N.Y. -- Science. 2006 Apr 28;312(5773):516-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16645063" target="_blank"〉PubMed〈/a〉
    Keywords: *Blastocyst ; Cell Line ; *Cloning, Organism ; Embryo Research/economics ; Embryo, Mammalian/cytology ; Female ; Humans ; Nuclear Transfer Techniques ; Oocyte Donation ; Research Support as Topic ; *Stem Cells
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    Coastal vegetation and the Asian tsunami (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-01-10
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Dahdouh-Guebas, Farid -- Koedam, Nico -- New York, N.Y. -- Science. 2006 Jan 6;311(5757):37-8; author reply 37-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16400133" target="_blank"〉PubMed〈/a〉
    Keywords: Asia ; *Disasters ; Ecosystem ; Housing ; Indian Ocean ; *Plants ; Rhizophoraceae ; Sri Lanka ; Trees
    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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  • 47
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    Netrins promote developmental and therapeutic angiogenesis (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-07-01
    Description: Axonal guidance and vascular patterning share several guidance cues, including proteins in the netrin family. We demonstrate that netrins stimulate proliferation, migration, and tube formation of human endothelial cells in vitro and that this stimulation is independent of known netrin receptors. Suppression of netrin1a messenger RNA in zebrafish inhibits vascular sprouting, implying a proangiogenic role for netrins during vertebrate development. We also show that netrins accelerate neovascularization in an in vivo model of ischemia and that they reverse neuropathy and vasculopathy in a diabetic murine model. We propose that the attractive vascular and neural guidance functions of netrins offer a unique therapeutic potential.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2577078/" 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/PMC2577078/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wilson, Brent D -- Ii, Masaaki -- Park, Kye Won -- Suli, Arminda -- Sorensen, Lise K -- Larrieu-Lahargue, Frederic -- Urness, Lisa D -- Suh, Wonhee -- Asai, Jun -- Kock, Gerhardus A H -- Thorne, Tina -- Silver, Marcy -- Thomas, Kirk R -- Chien, Chi-Bin -- Losordo, Douglas W -- Li, Dean Y -- R01 HL068873/HL/NHLBI NIH HHS/ -- R01 HL077671/HL/NHLBI NIH HHS/ -- R01 HL077671-03/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 2006 Aug 4;313(5787):640-4. Epub 2006 Jun 29.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Program in Human Molecular Biology and Genetics, University of Utah, Salt Lake City, UT 84112, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16809490" target="_blank"〉PubMed〈/a〉
    Keywords: Angiogenesis Inducing Agents ; Animals ; Cell Line ; Cell Movement ; Chemotaxis ; DNA, Complementary ; Diabetic Angiopathies/therapy ; Diabetic Neuropathies/therapy ; Embryo, Nonmammalian ; Endothelial Cells/*physiology ; Endothelium, Vascular/cytology ; Genetic Therapy ; Humans ; Ischemia/drug therapy ; Mice ; Muscle, Skeletal/blood supply ; *Neovascularization, Physiologic ; Nerve Growth Factors/genetics/pharmacology/*physiology ; Neural Conduction ; Receptors, Cell Surface/physiology ; Tumor Suppressor Proteins/genetics/pharmacology/*physiology ; Vascular Endothelial Growth Factor A/therapeutic use ; Zebrafish
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    Comment on "Computational improvements reveal great bacterial diversity and high metal toxicity in soil" (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-08-19
    Description: Based on analysis of the reassociation kinetics of bacterial DNA in soil, Gans et al. (Reports, 26 August 2005, p. 1387) claimed that millions of microbe species existed in 10 grams of pristine soil and that 99.9% of the diversity was lost as a result of toxic metals. We show that the data do not support these startling conclusions unambiguously.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Volkov, Igor -- Banavar, Jayanth R -- Maritan, Amos -- New York, N.Y. -- Science. 2006 Aug 18;313(5789):918; author reply 918.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Physics, 104 Davey Lab, Pennsylvania State University, University Park, PA 16802, USA. volkov@psu.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16917044" target="_blank"〉PubMed〈/a〉
    Keywords: Bacteria/genetics/*growth & development ; *Biodiversity ; Colony Count, Microbial ; DNA, Bacterial/analysis/genetics ; Ecosystem ; Least-Squares Analysis ; Mathematics ; Metals, Heavy/analysis/*toxicity ; Nucleic Acid Renaturation ; Soil ; *Soil Microbiology ; Soil Pollutants/analysis/*toxicity
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    Wildlife conservation. On the brink (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-11-04
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Vogel, Gretchen -- New York, N.Y. -- Science. 2006 Nov 3;314(5800):749.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17082434" target="_blank"〉PubMed〈/a〉
    Keywords: *Breeding ; *Conservation of Natural Resources ; Ecosystem ; Europe ; Humans ; *Lynx/physiology ; Population Density ; Population Dynamics
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Conservation biology. The lost world of the Kihansi toad (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-03-04
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Krajick, Kevin -- New York, N.Y. -- Science. 2006 Mar 3;311(5765):1230-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16513956" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Animals, Zoo ; Biodiversity ; *Bufonidae/physiology ; Cell Line ; *Conservation of Natural Resources ; Developed Countries ; *Ecosystem ; Environment ; Population Dynamics ; Rivers ; Tanzania ; Water Movements
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    Epilepsy-related ligand/receptor complex LGI1 and ADAM22 regulate synaptic transmission (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-09-23
    Description: Abnormally synchronized synaptic transmission in the brain causes epilepsy. Most inherited forms of epilepsy result from mutations in ion channels. However, one form of epilepsy, autosomal dominant partial epilepsy with auditory features (ADPEAF), is characterized by mutations in a secreted neuronal protein, LGI1. We show that ADAM22, a transmembrane protein that when mutated itself causes seizure, serves as a receptor for LGI1. LGI1 enhances AMPA receptor-mediated synaptic transmission in hippocampal slices. The mutated form of LGI1 fails to bind to ADAM22. ADAM22 is anchored to the postsynaptic density by cytoskeletal scaffolds containing stargazin. These studies in rat brain indicate possible avenues for understanding human epilepsy.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fukata, Yuko -- Adesnik, Hillel -- Iwanaga, Tsuyoshi -- Bredt, David S -- Nicoll, Roger A -- Fukata, Masaki -- New York, N.Y. -- Science. 2006 Sep 22;313(5794):1792-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Genomics and Proteomics, National Institute for Longevity Sciences, National Center for Geriatrics and Gerontology, Obu, Aichi 474-8522, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16990550" target="_blank"〉PubMed〈/a〉
    Keywords: ADAM Proteins/chemistry/genetics/*metabolism ; Animals ; Calcium Channels/metabolism ; Cell Line ; Cerebellar Cortex/metabolism ; Cerebral Cortex/metabolism ; Epilepsies, Partial/physiopathology ; Hippocampus/metabolism/*physiology ; Humans ; Intracellular Signaling Peptides and Proteins/metabolism ; Ligands ; Membrane Proteins/metabolism ; Mice ; N-Methylaspartate/metabolism ; Nerve Tissue Proteins/genetics/metabolism ; Protein Binding ; Protein Structure, Tertiary ; Proteins/*metabolism ; Rats ; Receptors, AMPA/*metabolism ; Recombinant Fusion Proteins/metabolism ; Synapses/metabolism ; *Synaptic Transmission ; Transfection ; alpha-Amino-3-hydroxy-5-methyl-4-isoxazolepropionic Acid/metabolism
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    Wnt gradient formation requires retromer function in Wnt-producing cells (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-04-29
    Description: Wnt proteins function as morphogens that can form long-range concentration gradients to pattern developing tissues. Here, we show that the retromer, a multiprotein complex involved in intracellular protein trafficking, is required for long-range signaling of the Caenorhabditis elegans Wnt ortholog EGL-20. The retromer functions in EGL-20-producing cells to allow the formation of an EGL-20 gradient along the anteroposterior axis. This function is evolutionarily conserved, because Wnt target gene expression is also impaired in the absence of the retromer complex in vertebrates. These results demonstrate that the ability of Wnt to regulate long-range patterning events is dependent on a critical and conserved function of the retromer complex within Wnt-producing cells.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Coudreuse, Damien Y M -- Roel, Giulietta -- Betist, Marco C -- Destree, Olivier -- Korswagen, Hendrik C -- New York, N.Y. -- Science. 2006 May 12;312(5775):921-4. Epub 2006 Apr 27.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Hubrecht Laboratory and Center for Biomedical Genetics, Uppsalalaan 8, 3584 CT, Utrecht, Netherlands.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16645052" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Body Patterning ; Caenorhabditis elegans/cytology/genetics/growth & development/*physiology ; Caenorhabditis elegans Proteins/analysis/genetics/*physiology ; Cell Line ; Gene Expression ; Glycoproteins/analysis/genetics/*physiology ; Humans ; Multiprotein Complexes/*physiology ; Mutation ; Neurons/cytology/physiology ; RNA Interference ; *Signal Transduction ; Transgenes ; Vesicular Transport Proteins/genetics/physiology ; Wnt Proteins/*physiology ; Xenopus
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    Breakthrough of the year. Breakdown of the year: scientific fraud (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-12-23
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Couzin, Jennifer -- New York, N.Y. -- Science. 2006 Dec 22;314(5807):1853.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17185568" target="_blank"〉PubMed〈/a〉
    Keywords: Cell Line ; *Embryonic Stem Cells ; Humans ; Periodicals as Topic ; Publishing/standards ; *Scientific Misconduct
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    Human IRGM induces autophagy to eliminate intracellular mycobacteria (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-08-05
    Description: Immunity-related p47 guanosine triphosphatases (IRG) play a role in defense against intracellular pathogens. We found that the murine Irgm1 (LRG-47) guanosine triphosphatase induced autophagy and generated large autolysosomal organelles as a mechanism for the elimination of intracellular Mycobacterium tuberculosis. We also identified a function for a human IRG protein in the control of intracellular pathogens and report that the human Irgm1 ortholog, IRGM, plays a role in autophagy and in the reduction of intracellular bacillary load.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Singh, Sudha B -- Davis, Alexander S -- Taylor, Gregory A -- Deretic, Vojo -- AI42999/AI/NIAID NIH HHS/ -- AI45148/AI/NIAID NIH HHS/ -- AI57831/AI/NIAID NIH HHS/ -- R01 AI057831/AI/NIAID NIH HHS/ -- T32 AI007538/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 2006 Sep 8;313(5792):1438-41. Epub 2006 Aug 3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Genetics and Microbiology, University of New Mexico School of Medicine, Albuquerque, NM 87131, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16888103" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Autophagy ; Cell Line ; Cytosol/metabolism ; GTP-Binding Proteins/genetics/*physiology ; HeLa Cells ; Humans ; Interferon-gamma/immunology ; Lysosomes/metabolism/microbiology/ultrastructure ; Macrophages/*immunology/*microbiology ; Mice ; Microbial Viability ; Microtubule-Associated Proteins/metabolism ; Mycobacterium bovis/*immunology/physiology ; Phagosomes/metabolism/microbiology/*ultrastructure ; RNA, Small Interfering ; Transfection ; Vacuoles/metabolism/ultrastructure
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    Yersinia YopJ acetylates and inhibits kinase activation by blocking phosphorylation (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-05-27
    Description: Yersinia species use a variety of type III effector proteins to target eukaryotic signaling systems. The effector YopJ inhibits mitogen-activated protein kinase (MAPK) and the nuclear factor kappaB (NFkappaB) signaling pathways used in innate immune response by preventing activation of the family of MAPK kinases (MAPKK). We show that YopJ acted as an acetyltransferase, using acetyl-coenzyme A (CoA) to modify the critical serine and threonine residues in the activation loop of MAPKK6 and thereby blocking phosphorylation. The acetylation on MAPKK6 directly competed with phosphorylation, preventing activation of the modified protein. This covalent modification may be used as a general regulatory mechanism in biological signaling.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mukherjee, Sohini -- Keitany, Gladys -- Li, Yan -- Wang, Yong -- Ball, Haydn L -- Goldsmith, Elizabeth J -- Orth, Kim -- R01-AI056404/AI/NIAID NIH HHS/ -- R21-DK072134/DK/NIDDK NIH HHS/ -- New York, N.Y. -- Science. 2006 May 26;312(5777):1211-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Biology, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16728640" target="_blank"〉PubMed〈/a〉
    Keywords: Acetyl Coenzyme A/metabolism ; Acetylation ; Acetyltransferases/metabolism ; Bacterial Proteins/*metabolism ; Catalytic Domain ; Cell Line ; Cell-Free System ; Electrophoresis, Polyacrylamide Gel ; Enzyme Activation ; Extracellular Signal-Regulated MAP Kinases/metabolism ; Humans ; I-kappa B Kinase/*metabolism ; MAP Kinase Kinase 6/chemistry/*metabolism ; MAP Kinase Signaling System ; NF-kappa B/metabolism ; Phosphorylation ; Recombinant Proteins/metabolism ; Serine/metabolism ; Signal Transduction ; Threonine/metabolism ; Yersinia/*metabolism/pathogenicity
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    Regulation of adult bone mass by the zinc finger adapter protein Schnurri-3 (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-05-27
    Description: Genetic mutations that disrupt osteoblast function can result in skeletal dysmorphogenesis or, more rarely, in increased postnatal bone formation. Here we show that Schnurri-3 (Shn3), a mammalian homolog of the Drosophila zinc finger adapter protein Shn, is an essential regulator of adult bone formation. Mice lacking Shn3 display adult-onset osteosclerosis with increased bone mass due to augmented osteoblast activity. Shn3 was found to control protein levels of Runx2, the principal transcriptional regulator of osteoblast differentiation, by promoting its degradation through recruitment of the E3 ubiquitin ligase WWP1 to Runx2. By this means, Runx2-mediated extracellular matrix mineralization was antagonized, revealing an essential role for Shn3 as a central regulator of postnatal bone mass.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jones, Dallas C -- Wein, Marc N -- Oukka, Mohamed -- Hofstaetter, Jochen G -- Glimcher, Melvin J -- Glimcher, Laurie H -- AI29673/AI/NIAID NIH HHS/ -- AR46983/AR/NIAMS NIH HHS/ -- New York, N.Y. -- Science. 2006 May 26;312(5777):1223-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Immunology and Infectious Diseases, Harvard School of Public Health, Boston, MA 02115, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16728642" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Binding Sites ; *Bone Density ; Bone and Bones/*anatomy & histology/chemistry/physiology ; Cell Line ; Cells, Cultured ; Core Binding Factor Alpha 1 Subunit/genetics/metabolism ; DNA-Binding Proteins/analysis/genetics/*metabolism ; Gene Expression Regulation ; Immunoprecipitation ; Mice ; Osteoblasts/chemistry/physiology ; Osteoclasts/physiology ; Osteogenesis ; Protein Binding ; Protein Structure, Tertiary ; RNA Interference ; RNA, Messenger/genetics/metabolism ; Transcriptional Activation ; Transfection ; Ubiquitin/metabolism ; Ubiquitin-Protein Ligases/chemistry/metabolism ; Zinc Fingers
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    TRB3 links the E3 ubiquitin ligase COP1 to lipid metabolism (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-06-24
    Description: During fasting, increased concentrations of circulating catecholamines promote the mobilization of lipid stores from adipose tissue in part by phosphorylating and inactivating acetyl-coenzyme A carboxylase (ACC), the rate-limiting enzyme in fatty acid synthesis. Here, we describe a parallel pathway, in which the pseudokinase Tribbles 3 (TRB3), whose abundance is increased during fasting, stimulates lipolysis by triggering the degradation of ACC in adipose tissue. TRB3 promoted ACC ubiquitination through an association with the E3 ubiquitin ligase constitutive photomorphogenic protein 1 (COP1). Indeed, adipocytes deficient in TRB3 accumulated larger amounts of ACC protein than did wild-type cells. Because transgenic mice expressing TRB3 in adipose tissue are protected from diet-induced obesity due to enhanced fatty acid oxidation, these results demonstrate how phosphorylation and ubiquitination pathways converge on a key regulator of lipid metabolism to maintain energy homeostasis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Qi, Ling -- Heredia, Jose E -- Altarejos, Judith Y -- Screaton, Robert -- Goebel, Naomi -- Niessen, Sherry -- Macleod, Ian X -- Liew, Chong Wee -- Kulkarni, Rohit N -- Bain, James -- Newgard, Christopher -- Nelson, Michael -- Evans, Ronald M -- Yates, John -- Montminy, Marc -- DK064142/DK/NIDDK NIH HHS/ -- New York, N.Y. -- Science. 2006 Jun 23;312(5781):1763-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Peptide Biology Laboratories and Gene Expression Laboratories, Salk Institute for Biological Studies, La Jolla, CA 92037, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16794074" target="_blank"〉PubMed〈/a〉
    Keywords: 3T3-L1 Cells ; Acetyl-CoA Carboxylase/antagonists & inhibitors/*metabolism ; Adipocytes/metabolism ; Adipose Tissue/cytology/*metabolism ; Adipose Tissue, Brown/cytology/metabolism ; Animals ; Cell Cycle Proteins/*metabolism ; Cell Line ; Dietary Fats/administration & dosage ; Energy Metabolism ; Fasting ; Fatty Acids/metabolism ; Gene Expression ; Humans ; *Lipid Metabolism ; Lipolysis ; Mice ; Mice, Transgenic ; Nuclear Proteins/*metabolism ; Obesity/prevention & control ; Oxidation-Reduction ; Phosphorylation ; Thinness ; Ubiquitin/metabolism ; Ubiquitin-Protein Ligases/*metabolism ; Weight Gain
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    Chemical rescue of a mutant enzyme in living cells (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-03-04
    Description: The restoration of catalytic activity to mutant enzymes by small molecules is well established for in vitro systems. Here, we show that the protein tyrosine kinase Src arginine-388--〉alanine (R388A) mutant can be rescued in live cells with the use of the small molecule imidazole. Cellular rescue of a viral Src homolog was rapid and reversible and conferred predicted oncogenic properties. Using chemical rescue in combination with mass spectrometry, we confirmed six known Src kinase substrates and identified several new protein targets. Chemical rescue data suggest that cellular Src is active under basal conditions. Rescue of R388A cellular Src provided insights into the mitogen-activated protein kinase pathway. This chemical rescue approach will likely have many applications in cell signaling.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Qiao, Yingfeng -- Molina, Henrik -- Pandey, Akhilesh -- Zhang, Jin -- Cole, Philip A -- New York, N.Y. -- Science. 2006 Mar 3;311(5765):1293-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pharmacology and Molecular Sciences, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16513984" target="_blank"〉PubMed〈/a〉
    Keywords: Adaptor Proteins, Signal Transducing/metabolism ; Animals ; Cell Line ; Cell Transformation, Neoplastic ; Fluorescence Resonance Energy Transfer ; Gene Expression Profiling ; Gene Expression Regulation ; Growth Substances/metabolism/pharmacology ; Humans ; Imidazoles/*metabolism/pharmacology ; Kinetics ; Mice ; Mitogen-Activated Protein Kinases/metabolism ; Mutation ; Nuclear Proteins/metabolism ; Oligonucleotide Array Sequence Analysis ; Phenotype ; Phosphorylation ; Phosphotyrosine/metabolism ; Proto-Oncogene Proteins/metabolism ; Proto-Oncogene Proteins pp60(c-src)/*genetics/*metabolism ; Recombinant Proteins/metabolism ; Transfection ; src Homology Domains
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    Phylogeny of the ants: diversification in the age of angiosperms (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-04-08
    Description: We present a large-scale molecular phylogeny of the ants (Hymenoptera: Formicidae), based on 4.5 kilobases of sequence data from six gene regions extracted from 139 of the 288 described extant genera, representing 19 of the 20 subfamilies. All but two subfamilies are recovered as monophyletic. Divergence time estimates calibrated by minimum age constraints from 43 fossils indicate that most of the subfamilies representing extant ants arose much earlier than previously proposed but only began to diversify during the Late Cretaceous to Early Eocene. This period also witnessed the rise of angiosperms and most herbivorous insects.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Moreau, Corrie S -- Bell, Charles D -- Vila, Roger -- Archibald, S Bruce -- Pierce, Naomi E -- New York, N.Y. -- Science. 2006 Apr 7;312(5770):101-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Museum of Comparative Zoology, Harvard University, 26 Oxford Street, Cambridge, MA 02138, USA. cmoreau@oeb.harvard.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16601190" target="_blank"〉PubMed〈/a〉
    Keywords: *Angiosperms ; Animals ; Ants/anatomy & histology/*classification/*genetics ; Base Sequence ; Bayes Theorem ; *Biodiversity ; Biological Evolution ; Computational Biology ; Ecosystem ; Environment ; Fossils ; Genes, Insect ; Genes, Mitochondrial ; *Phylogeny ; Time ; Trees
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    RIG-I-mediated antiviral responses to single-stranded RNA bearing 5'-phosphates (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-10-14
    Description: Double-stranded RNA (dsRNA) produced during viral replication is believed to be the critical trigger for activation of antiviral immunity mediated by the RNA helicase enzymes retinoic acid-inducible gene I (RIG-I) and melanoma differentiation-associated gene 5 (MDA5). We showed that influenza A virus infection does not generate dsRNA and that RIG-I is activated by viral genomic single-stranded RNA (ssRNA) bearing 5'-phosphates. This is blocked by the influenza protein nonstructured protein 1 (NS1), which is found in a complex with RIG-I in infected cells. These results identify RIG-I as a ssRNA sensor and potential target of viral immune evasion and suggest that its ability to sense 5'-phosphorylated RNA evolved in the innate immune system as a means of discriminating between self and nonself.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pichlmair, Andreas -- Schulz, Oliver -- Tan, Choon Ping -- Naslund, Tanja I -- Liljestrom, Peter -- Weber, Friedemann -- Reis e Sousa, Caetano -- New York, N.Y. -- Science. 2006 Nov 10;314(5801):997-1001. Epub 2006 Oct 12.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Immunobiology Laboratory, Cancer Research UK, London Research Institute, London WC2A 3PX, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17038589" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Line ; Cells, Cultured ; Cytoplasm/metabolism/virology ; DEAD-box RNA Helicases/genetics/*metabolism ; Dendritic Cells/virology ; Encephalomyocarditis virus/genetics/immunology/metabolism ; Genome, Viral ; Humans ; *Immunity, Innate ; Influenza A virus/*genetics/*immunology/metabolism/physiology ; Interferon-alpha/biosynthesis ; Interferon-beta/biosynthesis ; Mice ; Mice, Inbred C57BL ; Phosphates/metabolism ; Phosphorylation ; RNA Caps/metabolism ; RNA, Double-Stranded/metabolism ; RNA, Viral/chemistry/genetics/*metabolism ; Recombinant Fusion Proteins/metabolism ; Transfection ; Vesicular stomatitis Indiana virus/genetics/immunology/metabolism ; Viral Nonstructural Proteins/genetics/metabolism ; Virus Replication
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    PER-TIM interactions in living Drosophila cells: an interval timer for the circadian clock (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-01-18
    Description: In contrast to current models, fluorescence resonance energy transfer measurements using a single-cell imaging assay with fluorescent forms of PER and TIM showed that these proteins bind rapidly and persist in the cytoplasm while gradually accumulating in discrete foci. After approximately 6 hours, complexes abruptly dissociated, as PER and TIM independently moved to the nucleus in a narrow time frame. The per(L) mutation delayed nuclear accumulation in vivo and in our cultured cell system, but without affecting rates of PER/TIM assembly or dissociation. This finding points to a previously unrecognized form of temporal regulation that underlies the periodicity of the circadian clock.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Meyer, Pablo -- Saez, Lino -- Young, Michael W -- GM54339/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2006 Jan 13;311(5758):226-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Genetics, Rockefeller University, 1230 York Avenue, New York, NY 10021, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16410523" target="_blank"〉PubMed〈/a〉
    Keywords: Active Transport, Cell Nucleus ; Animals ; Cell Line ; Cell Nucleus/metabolism ; Circadian Rhythm/*physiology ; Cytoplasm/metabolism ; Drosophila Proteins/*metabolism ; Drosophila melanogaster ; Fluorescence Resonance Energy Transfer ; Models, Biological ; Nuclear Proteins/*metabolism ; Period Circadian Proteins ; Protein Binding ; Recombinant Fusion Proteins/metabolism ; Time Factors
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    Kaposi's sarcoma-associated herpesvirus fusion-entry receptor: cystine transporter xCT (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-04-01
    Description: Kaposi's sarcoma-associated herpesvirus (KSHV, human herpesvirus 8) is the causative agent of Kaposi's sarcoma and other lymphoproliferative syndromes often associated with HIV/AIDS. Functional complementary DNA selection for a receptor mediating KSHV cell fusion identified xCT, the 12-transmembrane light chain of the human cystine/glutamate exchange transporter system x-c. Expression of recombinant xCT rendered otherwise not susceptible target cells permissive for both KSHV cell fusion and virion entry. Antibodies against xCT blocked KSHV fusion and entry with naturally permissive target cells. KSHV target cell permissiveness correlated closely with endogenous expression of xCT messenger RNA and protein in diverse human and nonhuman cell types.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kaleeba, Johnan A R -- Berger, Edward A -- Intramural NIH HHS/ -- New York, N.Y. -- Science. 2006 Mar 31;311(5769):1921-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Viral Diseases, National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health, Bethesda, MD 20892, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16574866" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Transport System y+/genetics/immunology/*metabolism ; Animals ; Cell Fusion ; Cell Line ; Cell Line, Tumor ; DNA, Complementary ; Herpesvirus 8, Human/*metabolism ; Humans ; Immune Sera ; Mice ; RNA, Messenger/analysis/genetics ; Receptors, Virus/genetics/immunology/*metabolism ; Recombinant Proteins/metabolism ; Reverse Transcriptase Polymerase Chain Reaction ; Transfection
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    U.S. ocean policy. Fisheries bill gives bigger role to science--but no money (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-12-23
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stokstad, Erik -- New York, N.Y. -- Science. 2006 Dec 22;314(5807):1857.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17185571" target="_blank"〉PubMed〈/a〉
    Keywords: Advisory Committees ; Animals ; Budgets ; Conservation of Natural Resources/economics/*legislation & jurisprudence ; Ecosystem ; Fisheries/*legislation & jurisprudence ; *Fishes ; Population Dynamics ; United States ; United States Government Agencies
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    Dynamic nuclear actin assembly by Arp2/3 complex and a baculovirus WASP-like protein (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-10-21
    Description: Diverse bacterial and viral pathogens induce actin polymerization in the cytoplasm of host cells to facilitate infection. Here, we describe a pathogenic mechanism for promoting dynamic actin assembly in the nucleus to enable viral replication. The baculovirus Autographa californica multiple nucleopolyhedrovirus induced nuclear actin polymerization by translocating the host actin-nucleating Arp2/3 complex into the nucleus, where it was activated by p78/83, a viral Wiskott-Aldrich syndrome protein (WASP)-like protein. Nuclear actin assembly by p78/83 and Arp2/3 complex was essential for viral progeny production. Recompartmentalizing dynamic host actin may represent a conserved mode of pathogenesis and reflect viral manipulation of normal functions of nuclear actin.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Goley, Erin D -- Ohkawa, Taro -- Mancuso, Joel -- Woodruff, Jeffrey B -- D'Alessio, Joseph A -- Cande, W Zacheus -- Volkman, Loy E -- Welch, Matthew D -- AI054693/AI/NIAID NIH HHS/ -- GM59609/GM/NIGMS NIH HHS/ -- R01 GM059609/GM/NIGMS NIH HHS/ -- R01 GM059609-07/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2006 Oct 20;314(5798):464-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular and Cell Biology, University of California, Berkeley, CA 94720, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17053146" target="_blank"〉PubMed〈/a〉
    Keywords: Actin-Related Protein 2-3 Complex/*metabolism ; Actins/*metabolism ; Animals ; Biopolymers/metabolism ; Cell Line ; Cell Nucleus/*metabolism ; Fluorescence Recovery After Photobleaching ; Moths ; Mutation ; Nucleocapsid/metabolism/ultrastructure ; Nucleopolyhedrovirus/genetics/*physiology ; Transfection ; Viral Proteins/chemistry/genetics/isolation & purification/*metabolism ; Virion/ultrastructure ; Virus Replication ; Wiskott-Aldrich Syndrome Protein/chemistry
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    Corridors increase plant species richness at large scales (2006)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2006-09-02
    Description: Habitat fragmentation is one of the largest threats to biodiversity. Landscape corridors, which are hypothesized to reduce the negative consequences of fragmentation, have become common features of ecological management plans worldwide. Despite their popularity, there is little evidence documenting the effectiveness of corridors in preserving biodiversity at large scales. Using a large-scale replicated experiment, we showed that habitat patches connected by corridors retain more native plant species than do isolated patches, that this difference increases over time, and that corridors do not promote invasion by exotic species. Our results support the use of corridors in biodiversity conservation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Damschen, Ellen I -- Haddad, Nick M -- Orrock, John L -- Tewksbury, Joshua J -- Levey, Douglas J -- New York, N.Y. -- Science. 2006 Sep 1;313(5791):1284-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Zoology, North Carolina State University, Raleigh, NC 27695-7617, USA. damschen@nceas.ucsb.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16946070" target="_blank"〉PubMed〈/a〉
    Keywords: *Biodiversity ; *Conservation of Natural Resources ; Ecosystem ; *Environment ; Pinus/*growth & development ; *Plant Development ; Seeds ; Soil ; South Carolina ; Trees/*growth & development
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    Chromosomes can congress to the metaphase plate before biorientation (2006)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2006-01-21
    Description: The stable propagation of genetic material during cell division depends on the congression of chromosomes to the spindle equator before the cell initiates anaphase. It is generally assumed that congression requires that chromosomes are connected to the opposite poles of the bipolar spindle ("bioriented"). In mammalian cells, we found that chromosomes can congress before becoming bioriented. By combining the use of reversible chemical inhibitors, live-cell light microscopy, and correlative electron microscopy, we found that monooriented chromosomes could glide toward the spindle equator alongside kinetochore fibers attached to other already bioriented chromosomes. This congression mechanism depended on the kinetochore-associated, plus end-directed microtubule motor CENP-E (kinesin-7).〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4768465/" 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/PMC4768465/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kapoor, Tarun M -- Lampson, Michael A -- Hergert, Polla -- Cameron, Lisa -- Cimini, Daniela -- Salmon, E D -- McEwen, Bruce F -- Khodjakov, Alexey -- GM06627/GM/NIGMS NIH HHS/ -- GM24364/GM/NIGMS NIH HHS/ -- GM59363/GM/NIGMS NIH HHS/ -- GM65933/GM/NIGMS NIH HHS/ -- R01 GM024364/GM/NIGMS NIH HHS/ -- R01 GM059363/GM/NIGMS NIH HHS/ -- R37 GM024364/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2006 Jan 20;311(5759):388-91.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Chemistry and Cell Biology, Rockefeller University, New York, NY 10021, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16424343" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Aurora Kinases ; Cell Line ; Chromosomal Proteins, Non-Histone/physiology ; Chromosomes, Mammalian/*physiology/ultrastructure ; HeLa Cells ; Humans ; Indoles/pharmacology ; Kinesin/antagonists & inhibitors ; Kinetochores/*physiology/ultrastructure ; Metaphase ; Microscopy, Confocal ; Microscopy, Electron ; Microscopy, Interference ; Microscopy, Video ; Microtubules/*physiology/ultrastructure ; *Mitosis ; Molecular Motor Proteins/physiology ; Movement ; Potoroidae ; Protein-Serine-Threonine Kinases/antagonists & inhibitors/metabolism ; Pyrimidines/pharmacology ; RNA Interference ; RNA, Small Interfering ; Spindle Apparatus/*physiology/ultrastructure ; Sulfonamides/pharmacology ; Thiones/pharmacology
    Print ISSN: 0036-8075
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    Evolution of character displacement in Darwin's finches (2006)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2006-07-15
    Description: Competitor species can have evolutionary effects on each other that result in ecological character displacement; that is, divergence in resource-exploiting traits such as jaws and beaks. Nevertheless, the process of character displacement occurring in nature, from the initial encounter of competitors to the evolutionary change in one or more of them, has not previously been investigated. Here we report that a Darwin's finch species (Geospiza fortis) on an undisturbed Galapagos island diverged in beak size from a competitor species (G. magnirostris) 22 years after the competitor's arrival, when they jointly and severely depleted the food supply. The observed evolutionary response to natural selection was the strongest recorded in 33 years of study, and close to the value predicted from the high heritability of beak size. These findings support the role of competition in models of community assembly, speciation, and adaptive radiations.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Grant, Peter R -- Grant, B Rosemary -- New York, N.Y. -- Science. 2006 Jul 14;313(5784):224-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Ecology and Evolutionary Biology, Princeton University, Princeton, NJ 08544-1003, USA. prgrant@princeton.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16840700" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Beak/*anatomy & histology ; *Biological Evolution ; Biomass ; Body Size ; Competitive Behavior ; Disasters ; Ecosystem ; Ecuador ; Feeding Behavior ; Female ; *Finches/anatomy & histology/physiology ; *Food ; Male ; Organ Size ; Population Density ; Population Dynamics ; *Seeds ; *Selection, Genetic ; Time Factors
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    Wildlife conservation. The saola's last stand (2006)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2006-12-02
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stone, Richard -- New York, N.Y. -- Science. 2006 Dec 1;314(5804):1380-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17138879" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Animals, Wild ; Breeding ; Cloning, Organism ; *Conservation of Natural Resources ; Ecosystem ; Female ; Male ; Population Dynamics ; *Ruminants/genetics ; Vietnam
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    Tissue geometry determines sites of mammary branching morphogenesis in organotypic cultures (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-10-14
    Description: The treelike structures of many organs, including the mammary gland, are generated by branching morphogenesis, a reiterative process of branch initiation and invasion from a preexisting epithelium. Using a micropatterning approach to control the initial three-dimensional structure of mouse mammary epithelial tubules in culture, combined with an algorithm to quantify the extent of branching, we found that the geometry of tubules dictates the position of branches. We predicted numerically and confirm experimentally that branches initiate at sites with a local minimum in the concentration of autocrine inhibitory morphogens, such as transforming growth factor-beta. These results reveal that tissue geometry can control organ morphogenesis by defining the local cellular microenvironment, a finding that has relevance to control of invasion and metastasis.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2933179/" 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/PMC2933179/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Nelson, Celeste M -- Vanduijn, Martijn M -- Inman, Jamie L -- Fletcher, Daniel A -- Bissell, Mina J -- CA57621/CA/NCI NIH HHS/ -- CA64786/CA/NCI NIH HHS/ -- GM72736/GM/NIGMS NIH HHS/ -- R01 CA057621/CA/NCI NIH HHS/ -- R01 CA057621-10/CA/NCI NIH HHS/ -- R01 CA064786/CA/NCI NIH HHS/ -- R01 CA064786-10/CA/NCI NIH HHS/ -- R01 GM072736/GM/NIGMS NIH HHS/ -- R01 GM072736-05/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2006 Oct 13;314(5797):298-300.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Life Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17038622" target="_blank"〉PubMed〈/a〉
    Keywords: Algorithms ; Animals ; Cell Line ; Diffusion ; Epidermal Growth Factor/pharmacology ; Epithelial Cells/*cytology/metabolism ; Epithelium/growth & development ; Female ; Hepatocyte Growth Factor/pharmacology ; Mammary Glands, Animal/cytology/*growth & development ; Mice ; *Morphogenesis ; Organ Culture Techniques ; Organoids/cytology/*growth & development ; Protein-Serine-Threonine Kinases/antagonists & inhibitors ; Receptors, Transforming Growth Factor beta/metabolism ; Tissue Engineering ; Transforming Growth Factor beta/metabolism ; Transforming Growth Factor beta1
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    Offshore aquaculture legislation (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-09-09
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Naylor, Rosamond -- New York, N.Y. -- Science. 2006 Sep 8;313(5792):1363.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16959976" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Aquaculture/*legislation & jurisprudence ; Ecosystem ; Environment ; Fisheries/legislation & jurisprudence ; Oceans and Seas ; United States
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    Ethics issues in stem cell research (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-04-22
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉International Stem Cell Forum Ethics Working Party -- New York, N.Y. -- Science. 2006 Apr 21;312(5772):366-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16627723" target="_blank"〉PubMed〈/a〉
    Keywords: *Bioethical Issues ; Cell Line ; Cloning, Organism/ethics/legislation & jurisprudence ; Embryo Research/*ethics/legislation & jurisprudence ; Guidelines as Topic ; Humans ; *Internationality ; Research Embryo Creation/ethics/legislation & jurisprudence ; *Stem Cells
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Cell biology. Stressed cells cope with protein overload (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-07-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ron, David -- New York, N.Y. -- Science. 2006 Jul 7;313(5783):52-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Skirball Institute, New York University Medical Center, 540 First Avenue, New York, NY 10016, USA. ron@saturn.med.nyu.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16825557" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Line ; Cytosol/metabolism ; DNA-Binding Proteins/metabolism ; Drosophila Proteins/chemistry/genetics/*metabolism ; Drosophila melanogaster/genetics/metabolism ; Endoplasmic Reticulum/*metabolism ; Endoribonucleases/chemistry/genetics/*metabolism ; Evolution, Molecular ; Gene Expression Regulation ; Membrane Proteins/chemistry/genetics/*metabolism ; Models, Biological ; Protein Biosynthesis ; *Protein Folding ; Protein Sorting Signals/physiology ; Protein Structure, Tertiary ; *RNA Stability ; RNA, Messenger/genetics/*metabolism ; Signal Transduction ; Transcription Factors/metabolism ; Transcription, Genetic
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    Community genomics among stratified microbial assemblages in the ocean's interior (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-01-28
    Description: Microbial life predominates in the ocean, yet little is known about its genomic variability, especially along the depth continuum. We report here genomic analyses of planktonic microbial communities in the North Pacific Subtropical Gyre, from the ocean's surface to near-sea floor depths. Sequence variation in microbial community genes reflected vertical zonation of taxonomic groups, functional gene repertoires, and metabolic potential. The distributional patterns of microbial genes suggested depth-variable community trends in carbon and energy metabolism, attachment and motility, gene mobility, and host-viral interactions. Comparative genomic analyses of stratified microbial communities have the potential to provide significant insight into higher-order community organization and dynamics.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉DeLong, Edward F -- Preston, Christina M -- Mincer, Tracy -- Rich, Virginia -- Hallam, Steven J -- Frigaard, Niels-Ulrik -- Martinez, Asuncion -- Sullivan, Matthew B -- Edwards, Robert -- Brito, Beltran Rodriguez -- Chisholm, Sallie W -- Karl, David M -- New York, N.Y. -- Science. 2006 Jan 27;311(5760):496-503.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Massachusetts Institute of Technology, Cambridge, MA 02139, USA. delong@mit.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16439655" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Archaea/classification/*genetics/metabolism ; Archaeal Proteins/chemistry/genetics/metabolism ; Bacteria/classification/*genetics/metabolism ; Bacterial Proteins/chemistry/genetics/metabolism ; Bacteriophages/genetics ; Base Sequence ; Cloning, Molecular ; Cluster Analysis ; Computational Biology ; Cosmids ; DNA, Viral/chemistry/genetics ; Ecosystem ; Gene Library ; *Genes, Archaeal ; *Genes, Bacterial ; Genes, rRNA ; *Genomics ; Molecular Sequence Data ; Pacific Ocean ; Seawater/*microbiology ; Sequence Analysis, DNA ; Water Microbiology
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    Ecology. Are global conservation efforts successful? (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-08-26
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rodrigues, Ana S L -- New York, N.Y. -- Science. 2006 Aug 25;313(5790):1051-2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Zoology, University of Cambridge, Cambridge CB4 1AD, UK. aslr2@cam.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16931741" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biodiversity ; *Birds ; *Conservation of Natural Resources ; Ecosystem ; Environment ; Population Density
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Transient homologous chromosome pairing marks the onset of X inactivation (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-01-21
    Description: Mammalian X inactivation turns off one female X chromosome to enact dosage compensation between XX and XY individuals. X inactivation is known to be regulated in cis by Xite, Tsix, and Xist, but in principle the two Xs must also be regulated in trans to ensure mutually exclusive silencing. Here, we demonstrate that interchromosomal pairing mediates this communication. Pairing occurs transiently at the onset of X inactivation and is specific to the X-inactivation center. Deleting Xite and Tsix perturbs pairing and counting/choice, whereas their autosomal insertion induces de novo X-autosome pairing. Ectopic X-autosome interactions inhibit endogenous X-X pairing and block the initiation of X-chromosome inactivation. Thus, Tsix and Xite function both in cis and in trans. We propose that Tsix and Xite regulate counting and mutually exclusive choice through X-X pairing.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Xu, Na -- Tsai, Chia-Lun -- Lee, Jeannie T -- New York, N.Y. -- Science. 2006 Feb 24;311(5764):1149-52. Epub 2006 Jan 19.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Department of Molecular Biology, Massachusetts General Hospital, Department of Genetics, Harvard Medical School Boston, MA 02114, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16424298" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Differentiation ; Cell Line ; *Chromosome Pairing ; Female ; In Situ Hybridization, Fluorescence ; Male ; Mice ; Mice, Transgenic ; Models, Genetic ; Mutation ; RNA, Long Noncoding ; RNA, Untranslated/genetics/metabolism ; Regulatory Elements, Transcriptional ; Stem Cells ; Transgenes ; X Chromosome/genetics/*physiology ; *X Chromosome Inactivation
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    Property rights and ocean governance (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-10-28
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Yandle, Tracy -- New York, N.Y. -- Science. 2006 Oct 27;314(5799):593-5; author reply 593-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17068244" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Conservation of Natural Resources ; Ecosystem ; Environment ; *Fisheries ; *Fishes ; *Government Regulation ; Oceans and Seas ; *Ownership ; United States
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    Atmospheric science. Fungi, weathering, and the emergence of animals (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-03-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Derry, Louis A -- New York, N.Y. -- Science. 2006 Mar 10;311(5766):1386-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Earth and Atmospheric Sciences, Cornell University, Ithaca, NY 14853, USA. lad9@cornell.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16527960" target="_blank"〉PubMed〈/a〉
    Keywords: Aluminum Silicates ; Animals ; Atmosphere ; *Biological Evolution ; Carbon ; Earth (Planet) ; Ecosystem ; Evolution, Planetary ; Fossils ; Fungi/*physiology ; Oxygen ; Soil ; Soil Microbiology ; Strontium ; *Weather
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    Energy returns on ethanol production (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-06-27
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hagens, Nathan -- Costanza, Robert -- Mulder, Kenneth -- New York, N.Y. -- Science. 2006 Jun 23;312(5781):1746-8; author reply 1746-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16800048" target="_blank"〉PubMed〈/a〉
    Keywords: Crops, Agricultural ; Ecosystem ; *Energy-Generating Resources ; Environment ; *Ethanol ; Fossil Fuels ; *Zea mays
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    Action of TFII-I outside the nucleus as an inhibitor of agonist-induced calcium entry (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-10-07
    Description: TFII-I is a transcription factor and a target of phosphorylation by Bruton's tyrosine kinase. In humans, deletions spanning the TFII-I locus are associated with a cognitive defect, the Williams-Beuren cognitive profile. We report an unanticipated role of TFII-I outside the nucleus as a negative regulator of agonist-induced calcium entry (ACE) that suppresses surface accumulation of TRPC3 (transient receptor potential C3) channels. Inhibition of ACE by TFII-I requires phosphotyrosine residues that engage the SH2 (Src-homology 2) domains of phospholipase C-g (PLC-g) and an interrupted, pleckstrin homology (PH)-like domain that binds the split PH domain of PLC-g. Our observations suggest a model in which TFII-I suppresses ACE by competing with TRPC3 for binding to PLC-g.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Caraveo, Gabriela -- van Rossum, Damian B -- Patterson, Randen L -- Snyder, Solomon H -- Desiderio, Stephen -- New York, N.Y. -- Science. 2006 Oct 6;314(5796):122-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Biology and Genetics, Institute for Cell Engineering, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17023658" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Bradykinin/pharmacology ; Calcium/*metabolism ; Calcium Channels/*metabolism ; Cell Line ; Cell Membrane/metabolism ; Cytoplasm/metabolism ; Humans ; Models, Biological ; Molecular Sequence Data ; PC12 Cells ; Phospholipase C gamma/chemistry/*metabolism ; Phosphorylation ; Protein Binding ; Protein Structure, Tertiary ; Rats ; TRPC Cation Channels/*metabolism ; Transcription Factors, TFII/chemistry/*metabolism ; Uridine Triphosphate/pharmacology ; src Homology Domains
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    Parietal-eye phototransduction components and their potential evolutionary implications (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-03-18
    Description: The parietal-eye photoreceptor is unique because it has two antagonistic light signaling pathways in the same cell-a hyperpolarizing pathway maximally sensitive to blue light and a depolarizing pathway maximally sensitive to green light. Here, we report the molecular components of these two pathways. We found two opsins in the same cell: the blue-sensitive pinopsin and a previously unidentified green-sensitive opsin, which we name parietopsin. Signaling components included gustducin-alpha and Galphao, but not rod or cone transducin-alpha. Single-cell recordings demonstrated that Go mediates the depolarizing response. Gustducin-alpha resembles transducin-alpha functionally and likely mediates the hyperpolarizing response. The parietopsin-Go signaling pair provides clues about how rod and cone phototransduction might have evolved.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Su, Chih-Ying -- Luo, Dong-Gen -- Terakita, Akihisa -- Shichida, Yoshinori -- Liao, Hsi-Wen -- Kazmi, Manija A -- Sakmar, Thomas P -- Yau, King-Wai -- EY06837/EY/NEI NIH HHS/ -- R01 DC006904/DC/NIDCD NIH HHS/ -- R01 DC006904-01/DC/NIDCD NIH HHS/ -- R01 DC006904-02/DC/NIDCD NIH HHS/ -- R01 EY006837/EY/NEI NIH HHS/ -- R01 EY006837-16A1/EY/NEI NIH HHS/ -- R01 EY006837-17/EY/NEI NIH HHS/ -- R01 EY006837-18/EY/NEI NIH HHS/ -- R01 EY006837-19/EY/NEI NIH HHS/ -- R01 EY014596/EY/NEI NIH HHS/ -- R01 EY014596-01/EY/NEI NIH HHS/ -- R01 EY014596-02/EY/NEI NIH HHS/ -- R01 EY014596-03/EY/NEI NIH HHS/ -- R01 EY014596-04/EY/NEI NIH HHS/ -- R37 EY006837/EY/NEI NIH HHS/ -- R37 EY006837-15S1/EY/NEI NIH HHS/ -- New York, N.Y. -- Science. 2006 Mar 17;311(5767):1617-21.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Neuroscience, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA. chih-ying.su@yale.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16543463" target="_blank"〉PubMed〈/a〉
    Keywords: 3',5'-Cyclic-GMP Phosphodiesterases/metabolism ; Amino Acid Sequence ; Animals ; *Biological Evolution ; Cell Line ; Cyclic GMP/metabolism ; GTP-Binding Protein alpha Subunits/genetics/physiology ; Humans ; Lizards/genetics/*physiology ; Molecular Sequence Data ; *Ocular Physiological Phenomena ; Patch-Clamp Techniques ; Photoreceptor Cells, Vertebrate/chemistry/*physiology ; Rod Opsins/analysis/genetics/*physiology ; Transducin/genetics/physiology ; *Vision, Ocular
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    Nuclear receptor Rev-erbalpha is a critical lithium-sensitive component of the circadian clock (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-02-18
    Description: Lithium is commonly used to treat bipolar disorder, which is associated with altered circadian rhythm. Lithium is a potent inhibitor of glycogen synthase kinase 3 (GSK3), which regulates circadian rhythm in several organisms. In experiments with cultured cells, we show here that GSK3beta phosphorylates and stabilizes the orphan nuclear receptor Rev-erbalpha, a negative component of the circadian clock. Lithium treatment of cells leads to rapid proteasomal degradation of Rev-erbalpha and activation of clock gene Bmal1. A form of Rev-erbalpha that is insensitive to lithium interferes with the expression of circadian genes. Control of Rev-erbalpha protein stability is thus a critical component of the peripheral clock and a biological target of lithium therapy.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Yin, Lei -- Wang, Jing -- Klein, Peter S -- Lazar, Mitchell A -- DK 19525/DK/NIDDK NIH HHS/ -- DK45586/DK/NIDDK NIH HHS/ -- MH058324/MH/NIMH NIH HHS/ -- R01 MH058324/MH/NIMH NIH HHS/ -- R01 MH058324-07/MH/NIMH NIH HHS/ -- R01 MH058324-08/MH/NIMH NIH HHS/ -- New York, N.Y. -- Science. 2006 Feb 17;311(5763):1002-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Endocrinology, Diabetes, and Metabolism, and University of Pennsylvania School of Medicine, 415 Curie Boulevard, Philadelphia, PA 19104, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16484495" target="_blank"〉PubMed〈/a〉
    Keywords: ARNTL Transcription Factors ; Amino Acid Sequence ; Animals ; Basic Helix-Loop-Helix Transcription Factors/genetics/metabolism ; Biological Clocks/*physiology ; Cell Line ; Cell Line, Tumor ; Circadian Rhythm/*physiology ; DNA-Binding Proteins/chemistry/genetics/*metabolism ; Down-Regulation ; Gene Expression Regulation ; Glycogen Synthase Kinase 3/antagonists & inhibitors/metabolism ; Humans ; Lithium Chloride/*pharmacology ; Mice ; Molecular Sequence Data ; NIH 3T3 Cells ; Nuclear Receptor Subfamily 1, Group D, Member 1 ; Phosphorylation ; Promoter Regions, Genetic ; Proteasome Endopeptidase Complex/metabolism ; Proteasome Inhibitors ; Receptors, Cytoplasmic and Nuclear/chemistry/genetics/*metabolism
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    Impaired control of IRES-mediated translation in X-linked dyskeratosis congenita (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-05-13
    Description: The DKC1 gene encodes a pseudouridine synthase that modifies ribosomal RNA (rRNA). DKC1 is mutated in people with X-linked dyskeratosis congenita (X-DC), a disease characterized by bone marrow failure, skin abnormalities, and increased susceptibility to cancer. How alterations in ribosome modification might lead to cancer and other features of the disease remains unknown. Using an unbiased proteomics strategy, we discovered a specific defect in IRES (internal ribosome entry site)-dependent translation in Dkc1(m) mice and in cells from X-DC patients. This defect results in impaired translation of messenger RNAs containing IRES elements, including those encoding the tumor suppressor p27(Kip1) and the antiapoptotic factors Bcl-xL and XIAP (X-linked Inhibitor of Apoptosis Protein). Moreover, Dkc1(m) ribosomes were unable to direct translation from IRES elements present in viral messenger RNAs. These findings reveal a potential mechanism by which defective ribosome activity leads to disease and cancer.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Yoon, Andrew -- Peng, Guang -- Brandenburger, Yves -- Zollo, Ornella -- Xu, Wei -- Rego, Eduardo -- Ruggero, Davide -- New York, N.Y. -- Science. 2006 May 12;312(5775):902-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Human Genetics Program, Fox Chase Cancer Center, Philadelphia, PA 19111, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16690864" target="_blank"〉PubMed〈/a〉
    Keywords: *5' Untranslated Regions ; Animals ; Cell Cycle Proteins/chemistry/*genetics/physiology ; Cell Line ; Cells, Cultured ; Cyclin-Dependent Kinase Inhibitor p27/biosynthesis/genetics ; Dyskeratosis Congenita/*genetics ; Humans ; Insect Viruses/genetics ; Lymphocytes/metabolism ; Male ; Mice ; Nuclear Proteins/chemistry/*genetics/physiology ; Oligonucleotide Array Sequence Analysis ; Point Mutation ; Polyribosomes/metabolism ; *Protein Biosynthesis ; Proteomics ; Pseudouridine/metabolism ; RNA Viruses/genetics ; RNA, Messenger/*genetics/metabolism ; RNA, Ribosomal/metabolism ; Transfection ; X-Linked Inhibitor of Apoptosis Protein/biosynthesis/genetics ; bcl-X Protein/biosynthesis/genetics
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    Rapid temporal reversal in predator-driven natural selection (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-11-18
    Description: As the environment changes, will species be able to adapt? By conducting experiments in natural environments, biologists can study how evolutionary processes such as natural selection operate through time. We predicted that the introduction of a terrestrial predator would first select for longer-legged lizards, which are faster, but as the lizards shifted onto high twigs to avoid the predator, selection would reverse toward favoring the shorter-legged individuals better able to locomote there. Our experimental studies on 12 islets confirmed these predictions within a single generation, thus demonstrating the rapidity with which evolutionary forces can change during times of environmental flux.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Losos, Jonathan B -- Schoener, Thomas W -- Langerhans, R Brian -- Spiller, David A -- New York, N.Y. -- Science. 2006 Nov 17;314(5802):1111.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology, Box 1137, Washington University, St. Louis, MO 63130 USA. jlosos@oeb.harvard.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17110568" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bahamas ; *Biological Evolution ; Brazil ; Ecosystem ; Environment ; Lizards/*anatomy & histology/physiology ; *Predatory Behavior ; *Selection, Genetic
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    Rapid chemically induced changes of PtdIns(4,5)P2 gate KCNQ ion channels (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-09-23
    Description: To resolve the controversy about messengers regulating KCNQ ion channels during phospholipase C-mediated suppression of current, we designed translocatable enzymes that quickly alter the phosphoinositide composition of the plasma membrane after application of a chemical cue. The KCNQ current falls rapidly to zero when phosphatidylinositol 4,5-bisphosphate [PtdIns(4,5)P2 or PI(4,5)P2] is depleted without changing Ca2+, diacylglycerol, or inositol 1,4,5-trisphosphate. Current rises by 30% when PI(4,5)P2 is overproduced and does not change when phosphatidylinositol 3,4,5-trisphosphate is raised. Hence, the depletion of PI(4,5)P2 suffices to suppress current fully, and other second messengers are not needed. Our approach is ideally suited to study biological signaling networks involving membrane phosphoinositides.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3579521/" 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/PMC3579521/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Suh, Byung-Chang -- Inoue, Takanari -- Meyer, Tobias -- Hille, Bertil -- AR17803/AR/NIAMS NIH HHS/ -- GM63702/GM/NIGMS NIH HHS/ -- MH64801/MH/NIMH NIH HHS/ -- NS08174/NS/NINDS NIH HHS/ -- R01 GM030179/GM/NIGMS NIH HHS/ -- R01 GM030179-24A1/GM/NIGMS NIH HHS/ -- R01 GM030179-25/GM/NIGMS NIH HHS/ -- R01 GM063702/GM/NIGMS NIH HHS/ -- R01 MH064801/MH/NIMH NIH HHS/ -- R01 NS008174/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 2006 Dec 1;314(5804):1454-7. Epub 2006 Sep 21.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Physiology and Biophysics, University of Washington School of Medicine, Seattle, WA 98195, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16990515" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Calcium/metabolism ; Cell Line ; Cell Membrane/*metabolism ; Diglycerides/metabolism ; Dimerization ; Humans ; *Ion Channel Gating ; KCNQ Potassium Channels/*metabolism ; KCNQ2 Potassium Channel/metabolism ; KCNQ3 Potassium Channel/metabolism ; Mice ; NIH 3T3 Cells ; Oxotremorine/analogs & derivatives/pharmacology ; Phosphatidylinositol 4,5-Diphosphate/*metabolism ; Phosphoric Monoester Hydrolases/metabolism ; Phosphorylation ; Recombinant Fusion Proteins/metabolism ; Second Messenger Systems ; Sirolimus/analogs & derivatives/pharmacology
    Print ISSN: 0036-8075
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    Humanization of yeast to produce complex terminally sialylated glycoproteins (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-09-09
    Description: Yeast is a widely used recombinant protein expression system. We expanded its utility by engineering the yeast Pichia pastoris to secrete human glycoproteins with fully complex terminally sialylated N-glycans. After the knockout of four genes to eliminate yeast-specific glycosylation, we introduced 14 heterologous genes, allowing us to replicate the sequential steps of human glycosylation. The reported cell lines produce complex glycoproteins with greater than 90% terminal sialylation. Finally, to demonstrate the utility of these yeast strains, functional recombinant erythropoietin was produced.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hamilton, Stephen R -- Davidson, Robert C -- Sethuraman, Natarajan -- Nett, Juergen H -- Jiang, Youwei -- Rios, Sandra -- Bobrowicz, Piotr -- Stadheim, Terrance A -- Li, Huijuan -- Choi, Byung-Kwon -- Hopkins, Daniel -- Wischnewski, Harry -- Roser, Jessica -- Mitchell, Teresa -- Strawbridge, Rendall R -- Hoopes, Jack -- Wildt, Stefan -- Gerngross, Tillman U -- New York, N.Y. -- Science. 2006 Sep 8;313(5792):1441-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉GlycoFi Inc., 21 Lafayette Street, Suite 200, Lebanon, NH 03766, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16960007" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Line ; Cloning, Molecular ; Cytidine Monophosphate N-Acetylneuraminic Acid/metabolism ; Erythropoietin/chemistry/genetics/*metabolism ; Genetic Vectors ; Glycosylation ; Humans ; Pichia/*genetics/metabolism ; *Protein Engineering ; Rats ; Recombinant Proteins/biosynthesis/chemistry ; Sialic Acids/metabolism ; Sialoglycoproteins/*biosynthesis/chemistry/genetics ; Transformation, Genetic
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    Comment on "On the regulation of populations of mammals, birds, fish, and insects" III (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-02-25
    Description: Stochasticity in time series explains concave responses of per capita growth rate to population size. The gradients with the natural log of population size have more biological importance because they measure strength of density compensation. Its weakening with increasing body size across taxa (Sibly et al., Reports, 22 July 2005, p. 607) is consistent with slower responses in ascent than descent toward carrying capacity. Time series therefore suggest that populations of large-bodied animals underfill their environments.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Doncaster, C Patrick -- New York, N.Y. -- Science. 2006 Feb 24;311(5764):1100; author reply 1100.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉School of Biological Sciences, University of Southampton, Bassett Crescent East, Southampton SO16 7PX, UK. cpd@soton.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16497917" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Birds ; Conservation of Natural Resources ; Ecosystem ; *Fishes ; *Insects ; Logistic Models ; *Mammals ; Mathematics ; Models, Biological ; Population Density ; Population Dynamics ; Population Growth ; Regression Analysis ; Stochastic Processes
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    SV2 is the protein receptor for botulinum neurotoxin A (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-03-18
    Description: How the widely used botulinum neurotoxin A (BoNT/A) recognizes and enters neurons is poorly understood. We found that BoNT/A enters neurons by binding to the synaptic vesicle protein SV2 (isoforms A, B, and C). Fragments of SV2 that harbor the toxin interaction domain inhibited BoNT/A from binding to neurons. BoNT/A binding to SV2A and SV2B knockout hippocampal neurons was abolished and was restored by expressing SV2A, SV2B, or SV2C. Reduction of SV2 expression in PC12 and Neuro-2a cells also inhibited entry of BoNT/A, which could be restored by expressing SV2 isoforms. Finally, mice that lacked an SV2 isoform (SV2B) displayed reduced sensitivity to BoNT/A. Thus, SV2 acts as the protein receptor for BoNT/A.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Dong, Min -- Yeh, Felix -- Tepp, William H -- Dean, Camin -- Johnson, Eric A -- Janz, Roger -- Chapman, Edwin R -- R01 EY016452/EY/NEI NIH HHS/ -- R01 EY016452-03/EY/NEI NIH HHS/ -- New York, N.Y. -- Science. 2006 Apr 28;312(5773):592-6. Epub 2006 Mar 16.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute and Department of Physiology, University of Wisconsin, Madison, WI 53706, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16543415" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Botulinum Toxins, Type A/*metabolism/toxicity ; Cell Line ; Cells, Cultured ; Endocytosis ; Hippocampus/cytology ; Membrane Glycoproteins/chemistry/genetics/*metabolism ; Mice ; Mice, Knockout ; Nerve Tissue Proteins/chemistry/genetics/*metabolism ; Neuromuscular Junction/metabolism ; Neurons/*metabolism ; PC12 Cells ; Protein Binding ; Protein Isoforms/chemistry/genetics/metabolism ; Protein Structure, Tertiary ; R-SNARE Proteins/metabolism ; Rats ; Synaptic Vesicles/*metabolism ; Synaptotagmins/metabolism
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    SUMO1 haploinsufficiency leads to cleft lip and palate (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-09-23
    Description: The posttranslational modification sumoylation can have multiple effects on its substrate proteins. We studied a patient with isolated cleft lip and palate and a balanced chromosomal translocation that disrupts the SUMO1 (small ubiquitin-related modifier) gene, resulting in haploinsufficiency. In mouse, we found that Sumo1 is expressed in the developing lip and palate and that a Sumo1 hypomorphic allele manifests an incompletely penetrant orofacial clefting phenotype. Products of several genes implicated in clefting are sumoylated, and the Sumo1 hypomorphic allele interacts genetically with a loss-of-function allele for one of these loci. Thus, sumoylation defines a network of genes important for palatogenesis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Alkuraya, Fowzan S -- Saadi, Irfan -- Lund, Jennifer J -- Turbe-Doan, Annick -- Morton, Cynthia C -- Maas, Richard L -- DE015246/DE/NIDCR NIH HHS/ -- DE11697/DE/NIDCR NIH HHS/ -- GM061365/GM/NIGMS NIH HHS/ -- HD043430/HD/NICHD NIH HHS/ -- P01 GM061354/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2006 Sep 22;313(5794):1751.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Genetics, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, NRB-458, 77 Louis Pasteur, Boston, MA 02115, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16990542" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Animals ; Cell Line ; Child, Preschool ; Cleft Lip/*genetics ; Cleft Palate/*genetics ; Embryo, Mammalian/cytology/metabolism ; Gene Dosage ; Gene Expression Regulation, Developmental ; Humans ; In Situ Hybridization ; Intracellular Signaling Peptides and Proteins/genetics/metabolism ; Karyotyping ; Mice ; Mice, Inbred C57BL ; Morphogenesis ; Nuclear Proteins/genetics/metabolism ; Palate/embryology/metabolism ; Protein Tyrosine Phosphatases/genetics/metabolism ; SUMO-1 Protein/*genetics/physiology ; Small Ubiquitin-Related Modifier Proteins/*genetics/physiology ; Stem Cells/metabolism ; Translocation, Genetic
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    Amphiregulin, a TH2 cytokine enhancing resistance to nematodes (2006)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2006-12-16
    Description: Although type 2 immune responses contribute to allergy and asthma, these responses are essential for clearing intestinal helminth infestations by mechanisms that include increased epithelial shedding. We show that T helper 2 cells (T(H)2), but not other T cell subsets, express amphiregulin, a member of the epidermal growth factor (EGF) family. EGF receptor ligands directly induce epithelial cell proliferation, and lack of amphiregulin delayed expulsion of the nematode Trichuris muris. This newly recognized link between T(H)2 cells and epithelial proliferation should help in planning therapeutic interventions for helminth infections and other diseases that involve both cell proliferation and allergy, such as asthma.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zaiss, Dietmar M -- Yang, Li -- Shah, Pranav R -- Kobie, James J -- Urban, Joseph F -- Mosmann, Tim R -- AI48604/AI/NIAID NIH HHS/ -- DFG/ZA280/PHS HHS/ -- New York, N.Y. -- Science. 2006 Dec 15;314(5806):1746.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉David H. Smith Center for Vaccine Biology and Immunology and Department of Microbiology and Immunology, University of Rochester, Rochester, NY 14642, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17170297" target="_blank"〉PubMed〈/a〉
    Keywords: Amphiregulin ; Animals ; Bone Marrow Cells/immunology/metabolism ; Cecum/pathology ; Cell Line ; Cell Proliferation ; Cytokines/biosynthesis/immunology ; EGF Family of Proteins ; Gene Expression Regulation ; Glycoproteins/biosynthesis/genetics/*physiology ; Immunity, Innate ; Intercellular Signaling Peptides and Proteins/biosynthesis/genetics/*physiology ; Intestinal Mucosa/pathology ; Lymphocyte Activation ; Mice ; Mice, Inbred BALB C ; Polymerase Chain Reaction ; Th2 Cells/*immunology/metabolism ; Trichuriasis/*immunology/parasitology/pathology ; Trichuris/immunology/physiology
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    The muscle protein Dok-7 is essential for neuromuscular synaptogenesis (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-06-24
    Description: The formation of the neuromuscular synapse requires muscle-specific receptor kinase (MuSK) to orchestrate postsynaptic differentiation, including the clustering of receptors for the neurotransmitter acetylcholine. Upon innervation, neural agrin activates MuSK to establish the postsynaptic apparatus, although agrin-independent formation of neuromuscular synapses can also occur experimentally in the absence of neurotransmission. Dok-7, a MuSK-interacting cytoplasmic protein, is essential for MuSK activation in cultured myotubes; in particular, the Dok-7 phosphotyrosine-binding domain and its target in MuSK are indispensable. Mice lacking Dok-7 formed neither acetylcholine receptor clusters nor neuromuscular synapses. Thus, Dok-7 is essential for neuromuscular synaptogenesis through its interaction with MuSK.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Okada, Kumiko -- Inoue, Akane -- Okada, Momoko -- Murata, Yoji -- Kakuta, Shigeru -- Jigami, Takafumi -- Kubo, Sachiko -- Shiraishi, Hirokazu -- Eguchi, Katsumi -- Motomura, Masakatsu -- Akiyama, Tetsu -- Iwakura, Yoichiro -- Higuchi, Osamu -- Yamanashi, Yuji -- New York, N.Y. -- Science. 2006 Jun 23;312(5781):1802-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Cell Regulation, Medical Research Institute, Tokyo Medical and Dental University, Tokyo 113-8510, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16794080" target="_blank"〉PubMed〈/a〉
    Keywords: Agrin/metabolism ; Amino Acid Motifs ; Amino Acid Sequence ; Animals ; Cell Differentiation ; Cell Line ; Down-Regulation ; Enzyme Activation ; Humans ; In Situ Hybridization ; Mice ; Molecular Sequence Data ; Motor Endplate/embryology/metabolism ; Muscle Denervation ; Muscle Fibers, Skeletal/cytology/metabolism ; Muscle Proteins/chemistry/genetics/*metabolism ; Muscle, Skeletal/embryology/*innervation/metabolism ; Mutation ; Neuromuscular Junction/*physiology ; Phosphorylation ; Protein Binding ; Protein Structure, Tertiary ; Receptor Aggregation ; Receptor Protein-Tyrosine Kinases/genetics/*metabolism ; Receptors, Cholinergic/genetics/*metabolism ; Synapses/*physiology ; Synaptic Transmission
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    A voltage sensor-domain protein is a voltage-gated proton channel (2006)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2006-03-25
    Description: Voltage-gated proton channels have been widely observed but have not been identified at a molecular level. Here we report that a four-transmembrane protein similar to the voltage-sensor domain of voltage-gated ion channels is a voltage-gated proton channel. Cells overexpressing this protein showed depolarization-induced outward currents accompanied by tail currents. Current reversal occured at equilibrium potentials for protons. The currents exhibited pH-dependent gating and zinc ion sensitivity, two features which are characteristic of voltage-gated proton channels. Responses of voltage dependence to sequence changes suggest that mouse voltage-sensor domain-only protein is itself a channel, rather than a regulator of another channel protein.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sasaki, Mari -- Takagi, Masahiro -- Okamura, Yasushi -- New York, N.Y. -- Science. 2006 Apr 28;312(5773):589-92. Epub 2006 Mar 23.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Section of Developmental Neurophysiology, Okazaki Institute for Integrative Bioscience, Higashiyama 5-1, Myodaiji-cho, Okazaki, Aichi 444-8787, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16556803" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Line ; Ciona intestinalis ; Electric Conductivity ; Humans ; Hydrogen-Ion Concentration ; *Ion Channel Gating ; Ion Channels/*chemistry/genetics/*physiology ; Membrane Potentials ; Mice ; Molecular Sequence Data ; Mutation ; Patch-Clamp Techniques ; Protein Structure, Tertiary ; *Protons ; Transfection
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    Generation of simian-tropic HIV-1 by restriction factor evasion (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-10-07
    Description: Because HIV-1 does not infect most nonhuman primates, animal modeling of human HIV infection and AIDS has primarily consisted of experimentally infecting macaques with related simian immunodeficiency viruses (SIVMAC). However, the usefulness of such models is limited by the substantial divergence between SIVMAC and HIV-1. We derived an HIV-1-based virus that includes only small portions of SIVMAC yet replicates robustly in both transformed and primary rhesus macaque T cells. Derivation of simian-tropic HIV-1 (stHIV-1) has important implications for understanding primate lentivirus zoonosis and should allow the development of improved animal models for studies of AIDS and the evaluation of vaccines and treatments.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hatziioannou, Theodora -- Princiotta, Michael -- Piatak, Michael Jr -- Yuan, Fang -- Zhang, Fengwen -- Lifson, Jeffrey D -- Bieniasz, Paul D -- New York, N.Y. -- Science. 2006 Oct 6;314(5796):95.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Aaron Diamond AIDS Research Center and Rockefeller University, 455 First Avenue, New York, NY 10016, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17023652" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Capsid Proteins/genetics ; Cell Line ; Cloning, Molecular ; Cytopathogenic Effect, Viral ; Disease Models, Animal ; Genes, vif ; HIV Infections ; HIV-1/*genetics/*physiology ; Humans ; Lymphocytes/virology ; Macaca mulatta ; Recombination, Genetic ; Simian Immunodeficiency Virus/*genetics ; T-Lymphocytes/*virology ; Virus Replication
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    Seeking sustainability: Israel's evolving water management strategy (2006)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2006-08-26
    Description: The water management policies adopted to address Israel's chronic scarcity have not been without environmental consequences. Yet, through a trial-and-error process, a combined strategy of water transport, rainwater harvesting, and wastewater reuse and desalination, along with a variety of water conservation measures, have put the country on a more sustainable path for the future.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tal, Alon -- New York, N.Y. -- Science. 2006 Aug 25;313(5790):1081-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Mitrani Department of Desert Ecology, Blaustein Institutes for Desert Research, Ben-Gurion University of the Negev, Sede Boqer 84990, Israel. alontal@bgu.ac.il〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16931752" target="_blank"〉PubMed〈/a〉
    Keywords: Conservation of Natural Resources ; Crops, Agricultural/growth & development ; Ecosystem ; Environment ; *Fresh Water ; Humans ; Israel ; *Public Health ; Rivers ; Sewage ; Sodium Chloride/analysis ; Water Pollutants/analysis ; *Water Purification ; *Water Supply/standards
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    The challenge of micropollutants in aquatic systems (2006)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2006-08-26
    Description: The increasing worldwide contamination of freshwater systems with thousands of industrial and natural chemical compounds is one of the key environmental problems facing humanity. Although most of these compounds are present at low concentrations, many of them raise considerable toxicological concerns, particularly when present as components of complex mixtures. Here we review three scientific challenges in addressing water-quality problems caused by such micropollutants. First, tools to assess the impact of these pollutants on aquatic life and human health must be further developed and refined. Second, cost-effective and appropriate remediation and water-treatment technologies must be explored and implemented. Third, usage and disposal strategies, coupled with the search for environmentally more benign products and processes, should aim to minimize introduction of critical pollutants into the aquatic environment.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Schwarzenbach, Rene P -- Escher, Beate I -- Fenner, Kathrin -- Hofstetter, Thomas B -- Johnson, C Annette -- von Gunten, Urs -- Wehrli, Bernhard -- New York, N.Y. -- Science. 2006 Aug 25;313(5790):1072-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Eawag, Swiss Federal Institute of Aquatic Science and Technology, 8600 Dubendorf, Switzerland. rene.schwarzenbach@env.ethz.ch〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16931750" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biodegradation, Environmental ; Complex Mixtures/analysis/toxicity ; Developing Countries ; Ecosystem ; Environment ; *Fresh Water ; Humans ; Risk Assessment ; Toxicity Tests ; *Water Pollutants, Chemical/analysis/classification/metabolism/toxicity ; *Water Pollution/prevention & control ; *Water Purification/methods ; Water Supply
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    Comment on "Post-wildfire logging hinders regeneration and increases fire risk" (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-08-05
    Description: Based on limited sampling 2 years after the 2002 Biscuit Fire in Oregon, Donato et al. (Brevia, 20 January 2006, p. 352) concluded that postfire logging reduced seedling regeneration by 71%. Analysis of the study methodology and raw data suggest that this estimate is statistically flawed and misleading and says nothing about the impacts of more prompt postfire harvest.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Baird, B N -- New York, N.Y. -- Science. 2006 Aug 4;313(5787):615; author reply 615.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉U.S. House of Representatives, 1421 Longworth House Office Building, Washington, DC 20515, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16888123" target="_blank"〉PubMed〈/a〉
    Keywords: Analysis of Variance ; Conservation of Natural Resources ; Ecosystem ; *Fires ; *Forestry ; Oregon ; Trees/*growth & development
    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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    Reactions to the Hwang scandal (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-02-07
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Martin, T John -- New York, N.Y. -- Science. 2006 Feb 3;311(5761):606-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16459361" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Line ; *Editorial Policies ; Embryo, Mammalian/cytology ; Humans ; Peer Review, Research ; Periodicals as Topic ; *Publishing ; *Scientific Misconduct ; Stem Cells
    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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    Science and law. Integrity in international stem cell research collaborations (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-08-19
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mathews, Debra J H -- Donovan, Peter -- Harris, John -- Lovell-Badge, Robin -- Savulescu, Julian -- Faden, Ruth -- MC_U117562207/Medical Research Council/United Kingdom -- Wellcome Trust/United Kingdom -- New York, N.Y. -- Science. 2006 Aug 18;313(5789):921-2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Phoebe R. Berman Bioethics Institute, Johns Hopkins University, Baltimore, MD 21205, USA. dmathews@jhmi.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16917046" target="_blank"〉PubMed〈/a〉
    Keywords: Cell Line ; Embryo Research/*ethics/*legislation & jurisprudence ; Embryo, Mammalian/cytology ; Humans ; International Cooperation/legislation & jurisprudence ; Periodicals as Topic/ethics/standards ; *Public Policy ; Publishing/ethics/standards ; Research Subjects ; *Stem Cells
    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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  • 98
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    A single amino acid mutation contributes to adaptive beach mouse color pattern (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-07-11
    Description: Natural populations of beach mice exhibit a characteristic color pattern, relative to their mainland conspecifics, driven by natural selection for crypsis. We identified a derived, charge-changing amino acid mutation in the melanocortin-1 receptor (Mc1r) in beach mice, which decreases receptor function. In genetic crosses, allelic variation at Mc1r explains 9.8% to 36.4% of the variation in seven pigmentation traits determining color pattern. The derived Mc1r allele is present in Florida's Gulf Coast beach mice but not in Atlantic coast mice with similar light coloration, suggesting that different molecular mechanisms are responsible for convergent phenotypic evolution. Here, we link a single mutation in the coding region of a pigmentation gene to adaptive quantitative variation in the wild.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hoekstra, Hopi E -- Hirschmann, Rachel J -- Bundey, Richard A -- Insel, Paul A -- Crossland, Janet P -- P40-RR14279/RR/NCRR NIH HHS/ -- New York, N.Y. -- Science. 2006 Jul 7;313(5783):101-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Biological Sciences, University of California, San Diego, La Jolla, CA 92093, USA. hoekstra@ucsd.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16825572" target="_blank"〉PubMed〈/a〉
    Keywords: Adaptation, Biological ; Alleles ; Amino Acid Substitution ; Animals ; Cell Line ; Crosses, Genetic ; Cyclic AMP/metabolism ; Female ; Florida ; Gene Frequency ; Genotype ; Hair ; Hair Color/*genetics ; Humans ; Male ; Molecular Sequence Data ; *Mutation ; Peromyscus/*genetics ; Phenotype ; Pigmentation/*genetics ; Polymorphism, Single Nucleotide ; Principal Component Analysis ; Receptor, Melanocortin, Type 1/chemistry/*genetics/metabolism ; Sequence Analysis, DNA
    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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  • 99
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    Graded regulation of the Kv2.1 potassium channel by variable phosphorylation (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-08-19
    Description: Dynamic modulation of ion channels by phosphorylation underlies neuronal plasticity. The Kv2.1 potassium channel is highly phosphorylated in resting mammalian neurons. Activity-dependent Kv2.1 dephosphorylation by calcineurin induces graded hyperpolarizing shifts in voltage-dependent activation, causing suppression of neuronal excitability. Mass spectrometry-SILAC (stable isotope labeling with amino acids in cell culture) identified 16 Kv2.1 phosphorylation sites, of which 7 were dephosphorylated by calcineurin. Mutation of individual calcineurin-regulated sites to alanine produced incremental shifts mimicking dephosphorylation, whereas mutation to aspartate yielded equivalent resistance to calcineurin. Mutations at multiple sites were additive, showing that variable phosphorylation of Kv2.1 at a large number of sites allows graded activity-dependent regulation of channel gating and neuronal firing properties.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Park, Kang-Sik -- Mohapatra, Durga P -- Misonou, Hiroaki -- Trimmer, James S -- NS42225/NS/NINDS NIH HHS/ -- R01 NS042225/NS/NINDS NIH HHS/ -- R01 NS042225-06/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 2006 Aug 18;313(5789):976-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pharmacology, School of Medicine, University of California, Davis, CA 95616, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16917065" target="_blank"〉PubMed〈/a〉
    Keywords: Alanine/genetics/metabolism ; Alkaline Phosphatase/metabolism ; Animals ; Aspartic Acid/genetics/metabolism ; Brain/metabolism ; Calcineurin/metabolism ; Calcium/metabolism ; Cell Line ; Chromatography, Liquid ; Humans ; *Ion Channel Gating ; Ionomycin/pharmacology ; Mass Spectrometry ; Mutation ; Neurons/physiology ; Patch-Clamp Techniques ; Phosphorylation ; Phosphoserine/metabolism ; Phosphothreonine/metabolism ; Point Mutation ; Rats ; Recombinant Proteins/metabolism ; Serine/genetics ; Shab Potassium Channels/*metabolism ; Transfection
    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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    Biomedical research. States, foundations lead the way after Bush vetoes stem cell bill (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-07-29
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Holden, Constance -- New York, N.Y. -- Science. 2006 Jul 28;313(5786):420-1.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16873614" target="_blank"〉PubMed〈/a〉
    Keywords: Academies and Institutes/economics ; Cell Line ; Embryo Research/*economics/legislation & jurisprudence ; Embryo, Mammalian/cytology ; *Foundations ; Fund Raising ; Humans ; *Research Support as Topic ; *State Government ; *Stem Cells ; United States
    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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