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  • American Association for the Advancement of Science (AAAS)  (174)
  • American Physical Society (APS)
  • American Geophysical Union (AGU)
  • 2005-2009  (174)
  • 1
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    Priming in systemic plant immunity (2009)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2009-04-04
    Description: Plants possess inducible systemic defense responses when locally infected by pathogens. Bacterial infection results in the increased accumulation of the mobile metabolite azelaic acid, a nine-carbon dicarboxylic acid, in the vascular sap of Arabidopsis that confers local and systemic resistance against the pathogen Pseudomonas syringae. Azelaic acid primes plants to accumulate salicylic acid (SA), a known defense signal, upon infection. Mutation of the AZELAIC ACID INDUCED 1 (AZI1) gene, which is induced by azelaic acid, results in the specific loss of systemic immunity triggered by pathogen or azelaic acid and of the priming of SA induction in plants. Furthermore, the predicted secreted protein AZI1 is also important for generating vascular sap that confers disease resistance. Thus, azelaic acid and AZI1 are components of plant systemic immunity involved in priming defenses.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jung, Ho Won -- Tschaplinski, Timothy J -- Wang, Lin -- Glazebrook, Jane -- Greenberg, Jean T -- New York, N.Y. -- Science. 2009 Apr 3;324(5923):89-91. doi: 10.1126/science.1170025.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Genetics and Cell Biology, University of Chicago, 1103 East 57th Street EBC410, Chicago, IL 60637, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19342588" target="_blank"〉PubMed〈/a〉
    Keywords: Arabidopsis/genetics/*immunology/metabolism/*microbiology ; Arabidopsis Proteins/*genetics/physiology ; Dicarboxylic Acids/*metabolism/pharmacology ; Gene Expression Regulation, Plant ; *Genes, Plant ; Immunity, Innate ; Mutation ; Oligonucleotide Array Sequence Analysis ; Plant Diseases/*immunology ; Plant Leaves/immunology/metabolism ; Pseudomonas syringae/growth & development/*immunology/pathogenicity ; Salicylic Acid/metabolism ; Signal Transduction
    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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  • 2
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    Climate change, deforestation, and the fate of the Amazon (2007)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2007
    Description: The forest biome of Amazonia is one of Earth's greatest biological treasures and a major component of the Earth system. This century, it faces the dual threats of deforestation and stress from climate change. Here, we summarize some of the latest findings and thinking on these threats, explore the consequences for the forest ecosystem and its human residents, and outline options for the future of Amazonia. We also discuss the implications of new proposals to finance preservation of Amazonian forests.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Malhi, Yadvinder -- Roberts, J Timmons -- Betts, Richard A -- Killeen, Timothy J -- Li, Wenhong -- Nobre, Carlos A -- New York, N.Y. -- Science. 2008 Jan 11;319(5860):169-72. Epub 2007 Nov 29.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Environmental Change Institute, Oxford University Centre for the Environment, South Parks Road, Oxford OX1 3QY, UK. yadvinder.malhi@ouce.ox.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18048654" target="_blank"〉PubMed〈/a〉
    Keywords: Agriculture ; Animals ; Biodiversity ; Brazil ; *Climate ; *Conservation of Natural Resources/economics/trends ; Disasters ; *Ecosystem ; Fires ; Greenhouse Effect ; Humans ; South America ; *Trees
    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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    Indirect aerosol forcing (2007)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2007-09-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Penner, J E -- Rotstayn, L D -- Crowley, T J -- New York, N.Y. -- Science. 2000 Oct 20;290(5491):407a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17844274" target="_blank"〉PubMed〈/a〉
    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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    Clarifying the SF5CF3 Record (2007)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2007-08-31
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hites, R A -- Santoro, M A -- Sturges, W T -- Oram, D E -- Penkett, S A -- Wallington, T J -- Shine, K P -- Brenninkmeijer, C A -- New York, N.Y. -- Science. 2000 Nov 3;290(5493):935-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17749186" target="_blank"〉PubMed〈/a〉
    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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    Questioning evidence for recombination in human mitochondrial DNA (2007)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2007-09-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kivisild, T -- Villems, R -- Jorde, L B -- Bamshad, M -- Kumar, S -- Hedrick, P -- Dowling, T -- Stoneking, M -- Parsons, T J -- Irwin, J A -- Awadalla, P -- Eyre-Walker, A -- Smith, J M -- New York, N.Y. -- Science. 2000 Jun 16;288(5473):1931a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17835098" target="_blank"〉PubMed〈/a〉
    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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    The position of moving objects (2007)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2007-09-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Krekelberg, B -- Lappe, M -- Whitney, D -- Cavanagh, P -- Eagleman, D M -- Sejnowski, T J -- New York, N.Y. -- Science. 2000 Aug 18;289(5482):1107a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17833394" target="_blank"〉PubMed〈/a〉
    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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    A clamping mechanism involved in SNARE-dependent exocytosis (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-06-24
    Description: During neurotransmitter release at the synapse, influx of calcium ions stimulates the release of neurotransmitter. However, the mechanism by which synaptic vesicle fusion is coupled to calcium has been unclear, despite the identification of both the core fusion machinery [soluble N-ethylmaleimide-sensitive factor attachment protein receptor (SNARE)] and the principal calcium sensor (synaptotagmin). Here, we describe what may represent a basic principle of the coupling mechanism: a reversible clamping protein (complexin) that can freeze the SNAREpin, an assembled fusion-competent intermediate en route to fusion. When calcium binds to the calcium sensor synaptotagmin, the clamp would then be released. SNARE proteins, and key regulators like synaptotagmin and complexin, can be ectopically expressed on the cell surface. Cells expressing such "flipped" synaptic SNAREs fuse constitutively, but when we coexpressed complexin, fusion was blocked. Adding back calcium triggered fusion from this intermediate in the presence of synaptotagmin.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Giraudo, Claudio G -- Eng, William S -- Melia, Thomas J -- Rothman, James E -- New York, N.Y. -- Science. 2006 Aug 4;313(5787):676-80. Epub 2006 Jun 22.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Physiology and Cellular Biophysics, Columbia University, New York, NY 10032, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16794037" target="_blank"〉PubMed〈/a〉
    Keywords: Adaptor Proteins, Vesicular Transport ; Animals ; Calcium/metabolism ; Cell Membrane/metabolism ; *Exocytosis ; Glycosylphosphatidylinositols/metabolism ; HeLa Cells ; Humans ; Nerve Tissue Proteins/*metabolism ; Rats ; Recombinant Proteins/metabolism ; SNARE Proteins/*metabolism ; Synaptotagmin I/metabolism ; Synaptotagmins/metabolism ; Type C Phospholipases/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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  • 8
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    Propagation of errors in review articles (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-09-02
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Katz, Thomas J -- New York, N.Y. -- Science. 2006 Sep 1;313(5791):1236.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16946052" target="_blank"〉PubMed〈/a〉
    Keywords: Publishing/*standards ; *Review Literature as Topic
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 9
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    Structure of the vesicular stomatitis virus nucleoprotein-RNA complex (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-06-17
    Description: Vesicular stomatitis virus is a negative-stranded RNA virus. Its nucleoprotein (N) binds the viral genomic RNA and is involved in multiple functions including transcription, replication, and assembly. We have determined a 2.9 angstrom structure of a complex containing 10 molecules of the N protein and 90 bases of RNA. The RNA is tightly sequestered in a cavity at the interface between two lobes of the N protein. This serves to protect the RNA in the absence of polynucleotide synthesis. For the RNA to be accessed, some conformational change in the N protein should be necessary.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Green, Todd J -- Zhang, Xin -- Wertz, Gail W -- Luo, Ming -- AI050066/AI/NIAID NIH HHS/ -- R37 AI012464/AI/NIAID NIH HHS/ -- R37 AI012464-28/AI/NIAID NIH HHS/ -- R37 AI012464-29/AI/NIAID NIH HHS/ -- R37 AI012464-30/AI/NIAID NIH HHS/ -- R37 AI012464-31/AI/NIAID NIH HHS/ -- R37AI012464/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 2006 Jul 21;313(5785):357-60. Epub 2006 Jun 15.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Microbiology, School of Medicine, University of Alabama at Birmingham, 1025 18th Street South, Birmingham, AL 35294, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16778022" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Crystallography, X-Ray ; Hydrophobic and Hydrophilic Interactions ; Models, Molecular ; Molecular Sequence Data ; Nucleic Acid Conformation ; Nucleocapsid Proteins/*chemistry/metabolism ; Protein Conformation ; Protein Structure, Secondary ; Protein Structure, Tertiary ; RNA, Viral/*chemistry/metabolism ; Ribonucleoproteins/*chemistry ; Sequence Alignment ; Vesicular stomatitis Indiana virus/*chemistry
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
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  • 10
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    Nanoassembly of a fractal polymer: a molecular "Sierpinski hexagonal gasket" (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-05-13
    Description: Mathematics and art converge in the fractal forms that also abound in nature. We used molecular self-assembly to create a synthetic, nanometer-scale, Sierpinski hexagonal gasket. This nondendritic, perfectly self-similar fractal macromolecule is composed of bis-terpyridine building blocks that are bound together by coordination to 36 Ru and 6 Fe ions to form a nearly planar array of increasingly larger hexagons around a hollow center.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Newkome, George R -- Wang, Pingshan -- Moorefield, Charles N -- Cho, Tae Joon -- Mohapatra, Prabhu P -- Li, Sinan -- Hwang, Seok-Ho -- Lukoyanova, Olena -- Echegoyen, Luis -- Palagallo, Judith A -- Iancu, Violeta -- Hla, Saw-Wai -- New York, N.Y. -- Science. 2006 Jun 23;312(5781):1782-5. Epub 2006 May 11.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Polymer Science, University of Akron, Akron, OH 44325-4717, USA. newkome@uakron.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16690820" target="_blank"〉PubMed〈/a〉
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    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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