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  • 1
    Publication Date: 2009-07-10
    Description: Inhibition of the TOR signalling pathway by genetic or pharmacological intervention extends lifespan in invertebrates, including yeast, nematodes and fruitflies; however, whether inhibition of mTOR signalling can extend lifespan in a mammalian species was unknown. Here we report that rapamycin, an inhibitor of the mTOR pathway, extends median and maximal lifespan of both male and female mice when fed beginning at 600 days of age. On the basis of age at 90% mortality, rapamycin led to an increase of 14% for females and 9% for males. The effect was seen at three independent test sites in genetically heterogeneous mice, chosen to avoid genotype-specific effects on disease susceptibility. Disease patterns of rapamycin-treated mice did not differ from those of control mice. In a separate study, rapamycin fed to mice beginning at 270 days of age also increased survival in both males and females, based on an interim analysis conducted near the median survival point. Rapamycin may extend lifespan by postponing death from cancer, by retarding mechanisms of ageing, or both. To our knowledge, these are the first results to demonstrate a role for mTOR signalling in the regulation of mammalian lifespan, as well as pharmacological extension of lifespan in both genders. These findings have implications for further development of interventions targeting mTOR for the treatment and prevention of age-related diseases.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2786175/" 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/PMC2786175/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Harrison, David E -- Strong, Randy -- Sharp, Zelton Dave -- Nelson, James F -- Astle, Clinton M -- Flurkey, Kevin -- Nadon, Nancy L -- Wilkinson, J Erby -- Frenkel, Krystyna -- Carter, Christy S -- Pahor, Marco -- Javors, Martin A -- Fernandez, Elizabeth -- Miller, Richard A -- AG022303/AG/NIA NIH HHS/ -- AG022307/AG/NIA NIH HHS/ -- AG022308/AG/NIA NIH HHS/ -- AG025707/AG/NIA NIH HHS/ -- AG13319/AG/NIA NIH HHS/ -- P30 AG013319/AG/NIA NIH HHS/ -- P30 AG013319-119002/AG/NIA NIH HHS/ -- P30 AG013319-129002/AG/NIA NIH HHS/ -- P30 AG013319-139002/AG/NIA NIH HHS/ -- P30 AG013319-149002/AG/NIA NIH HHS/ -- P30 AG025707/AG/NIA NIH HHS/ -- U01 AG022303/AG/NIA NIH HHS/ -- U01 AG022307/AG/NIA NIH HHS/ -- U01 AG022307-01/AG/NIA NIH HHS/ -- U01 AG022307-02/AG/NIA NIH HHS/ -- U01 AG022307-03/AG/NIA NIH HHS/ -- U01 AG022307-04/AG/NIA NIH HHS/ -- U01 AG022307-05/AG/NIA NIH HHS/ -- U01 AG022307-05S1/AG/NIA NIH HHS/ -- U01 AG022308/AG/NIA NIH HHS/ -- England -- Nature. 2009 Jul 16;460(7253):392-5. doi: 10.1038/nature08221. Epub 2009 Jul 8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉The Jackson Laboratory, Bar Harbor, Maine 04609, USA. david.harrison@jax.org〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19587680" target="_blank"〉PubMed〈/a〉
    Keywords: Administration, Oral ; Aging/*drug effects/genetics/*physiology ; Animals ; Carrier Proteins/antagonists & inhibitors/metabolism ; Diet ; Disease Susceptibility ; Female ; Longevity/*drug effects/*genetics/physiology ; Male ; Mice ; Phosphotransferases (Alcohol Group Acceptor)/antagonists & inhibitors/metabolism ; Sirolimus/*administration & dosage/*pharmacology ; Specific Pathogen-Free Organisms ; Survival Analysis ; TOR Serine-Threonine Kinases ; Time Factors
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 2
    Publication Date: 2009-04-25
    Description: The imprints of domestication and breed development on the genomes of livestock likely differ from those of companion animals. A deep draft sequence assembly of shotgun reads from a single Hereford female and comparative sequences sampled from six additional breeds were used to develop probes to interrogate 37,470 single-nucleotide polymorphisms (SNPs) in 497 cattle from 19 geographically and biologically diverse breeds. These data show that cattle have undergone a rapid recent decrease in effective population size from a very large ancestral population, possibly due to bottlenecks associated with domestication, selection, and breed formation. Domestication and artificial selection appear to have left detectable signatures of selection within the cattle genome, yet the current levels of diversity within breeds are at least as great as exists within humans.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2735092/" 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/PMC2735092/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bovine HapMap Consortium -- Gibbs, Richard A -- Taylor, Jeremy F -- Van Tassell, Curtis P -- Barendse, William -- Eversole, Kellye A -- Gill, Clare A -- Green, Ronnie D -- Hamernik, Debora L -- Kappes, Steven M -- Lien, Sigbjorn -- Matukumalli, Lakshmi K -- McEwan, John C -- Nazareth, Lynne V -- Schnabel, Robert D -- Weinstock, George M -- Wheeler, David A -- Ajmone-Marsan, Paolo -- Boettcher, Paul J -- Caetano, Alexandre R -- Garcia, Jose Fernando -- Hanotte, Olivier -- Mariani, Paola -- Skow, Loren C -- Sonstegard, Tad S -- Williams, John L -- Diallo, Boubacar -- Hailemariam, Lemecha -- Martinez, Mario L -- Morris, Chris A -- Silva, Luiz O C -- Spelman, Richard J -- Mulatu, Woudyalew -- Zhao, Keyan -- Abbey, Colette A -- Agaba, Morris -- Araujo, Flabio R -- Bunch, Rowan J -- Burton, James -- Gorni, Chiara -- Olivier, Hanotte -- Harrison, Blair E -- Luff, Bill -- Machado, Marco A -- Mwakaya, Joel -- Plastow, Graham -- Sim, Warren -- Smith, Timothy -- Thomas, Merle B -- Valentini, Alessio -- Williams, Paul -- Womack, James -- Woolliams, John A -- Liu, Yue -- Qin, Xiang -- Worley, Kim C -- Gao, Chuan -- Jiang, Huaiyang -- Moore, Stephen S -- Ren, Yanru -- Song, Xing-Zhi -- Bustamante, Carlos D -- Hernandez, Ryan D -- Muzny, Donna M -- Patil, Shobha -- San Lucas, Anthony -- Fu, Qing -- Kent, Matthew P -- Vega, Richard -- Matukumalli, Aruna -- McWilliam, Sean -- Sclep, Gert -- Bryc, Katarzyna -- Choi, Jungwoo -- Gao, Hong -- Grefenstette, John J -- Murdoch, Brenda -- Stella, Alessandra -- Villa-Angulo, Rafael -- Wright, Mark -- Aerts, Jan -- Jann, Oliver -- Negrini, Riccardo -- Goddard, Mike E -- Hayes, Ben J -- Bradley, Daniel G -- Barbosa da Silva, Marcos -- Lau, Lilian P L -- Liu, George E -- Lynn, David J -- Panzitta, Francesca -- Dodds, Ken G -- R01 GM083606/GM/NIGMS NIH HHS/ -- R01 GM083606-02/GM/NIGMS NIH HHS/ -- U54 HG003273/HG/NHGRI NIH HHS/ -- New York, N.Y. -- Science. 2009 Apr 24;324(5926):528-32. doi: 10.1126/science.1167936.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19390050" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Breeding ; Cattle/*genetics ; Female ; Gene Frequency ; *Genetic Variation ; *Genome ; Male ; Molecular Sequence Data ; Mutation ; *Polymorphism, Single Nucleotide ; Population Density
    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
    Publication Date: 2009-04-25
    Description: Fire is a worldwide phenomenon that appears in the geological record soon after the appearance of terrestrial plants. Fire influences global ecosystem patterns and processes, including vegetation distribution and structure, the carbon cycle, and climate. Although humans and fire have always coexisted, our capacity to manage fire remains imperfect and may become more difficult in the future as climate change alters fire regimes. This risk is difficult to assess, however, because fires are still poorly represented in global models. Here, we discuss some of the most important issues involved in developing a better understanding of the role of fire in the Earth system.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bowman, David M J S -- Balch, Jennifer K -- Artaxo, Paulo -- Bond, William J -- Carlson, Jean M -- Cochrane, Mark A -- D'Antonio, Carla M -- Defries, Ruth S -- Doyle, John C -- Harrison, Sandy P -- Johnston, Fay H -- Keeley, Jon E -- Krawchuk, Meg A -- Kull, Christian A -- Marston, J Brad -- Moritz, Max A -- Prentice, I Colin -- Roos, Christopher I -- Scott, Andrew C -- Swetnam, Thomas W -- van der Werf, Guido R -- Pyne, Stephen J -- New York, N.Y. -- Science. 2009 Apr 24;324(5926):481-4. doi: 10.1126/science.1163886.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉University of Tasmania, Hobart, TAS 7001, Australia.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19390038" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biological Evolution ; Carbon ; Climate ; Earth (Planet) ; *Ecosystem ; *Fires ; Humans ; Plants
    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
    Publication Date: 2005-09-17
    Description: The spike protein (S) of SARS coronavirus (SARS-CoV) attaches the virus to its cellular receptor, angiotensin-converting enzyme 2 (ACE2). A defined receptor-binding domain (RBD) on S mediates this interaction. The crystal structure at 2.9 angstrom resolution of the RBD bound with the peptidase domain of human ACE2 shows that the RBD presents a gently concave surface, which cradles the N-terminal lobe of the peptidase. The atomic details at the interface between the two proteins clarify the importance of residue changes that facilitate efficient cross-species infection and human-to-human transmission. The structure of the RBD suggests ways to make truncated disulfide-stabilized RBD variants for use in the design of coronavirus vaccines.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Li, Fang -- Li, Wenhui -- Farzan, Michael -- Harrison, Stephen C -- AI061601/AI/NIAID NIH HHS/ -- CA13202/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 2005 Sep 16;309(5742):1864-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School and Laboratory of Molecular Medicine, 320 Longwood Avenue, Boston, MA 02115, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16166518" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Amino Acid Substitution ; Animals ; Antibodies, Viral/immunology ; Binding Sites ; Carboxypeptidases/*chemistry/metabolism ; Cell Line ; Crystallography, X-Ray ; Disease Outbreaks ; Epitopes ; Glycosylation ; Humans ; Hydrophobic and Hydrophilic Interactions ; Membrane Glycoproteins/*chemistry/genetics/immunology/*metabolism ; Models, Molecular ; Molecular Sequence Data ; Mutation ; Peptidyl-Dipeptidase A ; Protein Conformation ; Protein Structure, Tertiary ; Receptors, Virus/*chemistry/metabolism ; SARS Virus/*chemistry/genetics/physiology ; Severe Acute Respiratory Syndrome/transmission/*virology ; Species Specificity ; Spike Glycoprotein, Coronavirus ; Viral Envelope Proteins/*chemistry/genetics/immunology/*metabolism ; Viral Vaccines ; Viverridae/virology
    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
    Publication Date: 2005-04-30
    Description: The ivory-billed woodpecker (Campephilus principalis), long suspected to be extinct, has been rediscovered in the Big Woods region of eastern Arkansas. Visual encounters during 2004 and 2005, and analysis of a video clip from April 2004, confirm the existence of at least one male. Acoustic signatures consistent with Campephilus display drums also have been heard from the region. Extensive efforts to find birds away from the primary encounter site remain unsuccessful, but potential habitat for a thinly distributed source population is vast (over 220,000 hectares).〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fitzpatrick, John W -- Lammertink, Martjan -- Luneau, M David Jr -- Gallagher, Tim W -- Harrison, Bobby R -- Sparling, Gene M -- Rosenberg, Kenneth V -- Rohrbaugh, Ronald W -- Swarthout, Elliott C H -- Wrege, Peter H -- Swarthout, Sara Barker -- Dantzker, Marc S -- Charif, Russell A -- Barksdale, Timothy R -- Remsen, J V Jr -- Simon, Scott D -- Zollner, Douglas -- New York, N.Y. -- Science. 2005 Jun 3;308(5727):1460-2. Epub 2005 Apr 28.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Cornell Laboratory of Ornithology, Cornell University, 159 Sapsucker Woods Road, Ithaca, NY 14850, USA. jwf7@cornell.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15860589" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Arkansas ; Biological Evolution ; *Birds ; Conservation of Natural Resources ; Ecology ; Male ; Video Recording
    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
    Publication Date: 2005-01-18
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Balmford, Andrew -- Bennun, Leon -- Brink, Ben Ten -- Cooper, David -- Cote, Isabelle M -- Crane, Peter -- Dobson, Andrew -- Dudley, Nigel -- Dutton, Ian -- Green, Rhys E -- Gregory, Richard D -- Harrison, Jeremy -- Kennedy, Elizabeth T -- Kremen, Claire -- Leader-Williams, Nigel -- Lovejoy, Thomas E -- Mace, Georgina -- May, Robert -- Mayaux, Phillipe -- Morling, Paul -- Phillips, Joanna -- Redford, Kent -- Ricketts, Taylor H -- Rodriguez, Jon Paul -- Sanjayan, M -- Schei, Peter J -- van Jaarsveld, Albert S -- Walther, Bruno A -- New York, N.Y. -- Science. 2005 Jan 14;307(5707):212-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Cambridge University and University of Cape Town.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15653489" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biodiversity ; *Conservation of Natural Resources ; *Ecology ; Ecosystem ; Humans ; Interdisciplinary Communication ; International Cooperation ; Models, Biological ; Models, Theoretical ; Public Policy
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 7
    Publication Date: 2009-05-26
    Description: Since its identification in April 2009, an A(H1N1) virus containing a unique combination of gene segments from both North American and Eurasian swine lineages has continued to circulate in humans. The lack of similarity between the 2009 A(H1N1) virus and its nearest relatives indicates that its gene segments have been circulating undetected for an extended period. Its low genetic diversity suggests that the introduction into humans was a single event or multiple events of similar viruses. Molecular markers predictive of adaptation to humans are not currently present in 2009 A(H1N1) viruses, suggesting that previously unrecognized molecular determinants could be responsible for the transmission among humans. Antigenically the viruses are homogeneous and similar to North American swine A(H1N1) viruses but distinct from seasonal human A(H1N1).〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3250984/" 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/PMC3250984/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Garten, Rebecca J -- Davis, C Todd -- Russell, Colin A -- Shu, Bo -- Lindstrom, Stephen -- Balish, Amanda -- Sessions, Wendy M -- Xu, Xiyan -- Skepner, Eugene -- Deyde, Varough -- Okomo-Adhiambo, Margaret -- Gubareva, Larisa -- Barnes, John -- Smith, Catherine B -- Emery, Shannon L -- Hillman, Michael J -- Rivailler, Pierre -- Smagala, James -- de Graaf, Miranda -- Burke, David F -- Fouchier, Ron A M -- Pappas, Claudia -- Alpuche-Aranda, Celia M -- Lopez-Gatell, Hugo -- Olivera, Hiram -- Lopez, Irma -- Myers, Christopher A -- Faix, Dennis -- Blair, Patrick J -- Yu, Cindy -- Keene, Kimberly M -- Dotson, P David Jr -- Boxrud, David -- Sambol, Anthony R -- Abid, Syed H -- St George, Kirsten -- Bannerman, Tammy -- Moore, Amanda L -- Stringer, David J -- Blevins, Patricia -- Demmler-Harrison, Gail J -- Ginsberg, Michele -- Kriner, Paula -- Waterman, Steve -- Smole, Sandra -- Guevara, Hugo F -- Belongia, Edward A -- Clark, Patricia A -- Beatrice, Sara T -- Donis, Ruben -- Katz, Jacqueline -- Finelli, Lyn -- Bridges, Carolyn B -- Shaw, Michael -- Jernigan, Daniel B -- Uyeki, Timothy M -- Smith, Derek J -- Klimov, Alexander I -- Cox, Nancy J -- DP1 OD000490-01/OD/NIH HHS/ -- DP1-OD000490-01/OD/NIH HHS/ -- HHSN266200700010C/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 2009 Jul 10;325(5937):197-201. doi: 10.1126/science.1176225. Epub 2009 May 22.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉WHO Collaborating Center for Influenza, Centers for Disease Control and Prevention (CDC), Atlanta, GA 30333, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19465683" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antibodies, Viral/immunology ; Antigens, Viral/genetics/*immunology ; Disease Outbreaks ; Evolution, Molecular ; Genes, Viral ; Genetic Variation ; Genome, Viral ; Hemagglutination Inhibition Tests ; Hemagglutinin Glycoproteins, Influenza Virus/chemistry/genetics/immunology ; Humans ; Influenza A Virus, H1N1 Subtype/classification/*genetics/*immunology/isolation & ; purification ; Influenza A Virus, H3N2 Subtype/genetics ; Influenza A virus/genetics ; Influenza, Human/epidemiology/immunology/*virology ; Mutation ; Neuraminidase/genetics ; Orthomyxoviridae Infections/veterinary/virology ; Phylogeny ; Reassortant Viruses/genetics ; Swine ; Swine Diseases/virology ; Viral Matrix Proteins/genetics ; Viral Nonstructural Proteins/genetics
    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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