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  • United States  (1,312)
  • Female  (1,116)
  • Astrophysics  (791)
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  • LUNAR AND PLANETARY EXPLORATION
  • 2005-2009  (3,197)
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  • 1
    Keywords: Engineering ; Laser physics ; Microwaves ; Optical materials ; Physical optics
    ISBN: 9780387686172
    Language: English
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  • 2
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    Berlin, Heidelberg : Springer
    Keywords: Analytical biochemistry ; Chemistry ; Chemistry, Physical organic ; Engineering
    ISBN: 9783540745983
    Language: English
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  • 3
    Keywords: Electronics ; Engineering ; Nanotechnology ; Optical materials ; System safety
    ISBN: 9783540269458
    Language: English
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  • 4
    Keywords: Electronics ; Engineering ; Optical materials ; Spectrum analysis
    ISBN: 9783540274124
    Language: English
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  • 5
    Keywords: Condensed matter ; Engineering ; Engineering design ; Materials ; Physics
    ISBN: 9780387345659
    Language: English
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  • 6
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    Boston, MA : Springer US
    Keywords: Chemistry ; Engineering ; Materials ; Mechanical engineering ; Surfaces (Physics)
    ISBN: 9780387476858
    Language: English
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  • 7
    Keywords: Condensed matter ; Engineering ; Materials ; Nanotechnology ; Optical materials
    ISBN: 9781402089039
    Language: English
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  • 8
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    Berlin, Heidelberg : Springer
    Keywords: Chemistry, inorganic ; Condensed matter ; Engineering ; Nanotechnology ; Surfaces (Physics)
    ISBN: 9783540368076
    Language: English
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  • 9
    Keywords: Chemistry, inorganic ; Engineering ; Materials
    ISBN: 9783540687580
    Language: English
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  • 10
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    Berlin, Heidelberg : Springer
    Keywords: Condensed matter ; Engineering ; Nanotechnology
    ISBN: 9783540375784
    Language: English
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  • 11
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    Berlin, Heidelberg : Springer
    Keywords: Chemistry, Physical organic ; Engineering ; Nanotechnology ; Surfaces (Physics)
    ISBN: 9783540745518
    Language: English
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  • 12
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    Berlin, Heidelberg : Springer
    Keywords: Engineering ; Nanotechnology ; Particles (Nuclear physics)
    ISBN: 9783540745570
    Language: English
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  • 13
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    Berlin, Heidelberg : Springer
    Keywords: Chemistry ; Mathematics ; Engineering ; Operations research ; Systems theory
    ISBN: 9783540488804
    Language: English
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  • 14
    Keywords: Engineering ; Materials ; Materials ; Materials ; Mechanics ; Nuclear engineering
    ISBN: 9781402053290
    Language: English
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  • 15
    Keywords: Computer science ; Engineering ; Materials ; Nuclear engineering ; Thermodynamics
    ISBN: 9781402084225
    Language: English
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  • 16
    Keywords: Engineering ; Optical materials ; Physical optics
    ISBN: 9781402084256
    Language: English
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  • 17
    Keywords: Chemistry ; Engineering ; Magnetism ; Materials ; Optical materials
    ISBN: 9781402087967
    Language: English
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  • 18
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    Berlin, Heidelberg : Springer
    Keywords: Condensed matter ; Engineering ; Optical materials ; Surfaces (Physics)
    ISBN: 9783540264620
    Language: English
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  • 19
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    Boston, MA : Springer
    Keywords: Engineering ; Machinery ; Materials
    ISBN: 9780387725284
    Language: English
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  • 20
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    Berlin, Heidelberg : Springer
    Keywords: Electronics ; Engineering ; Optical materials ; Physical optics
    ISBN: 9783540718925
    Language: English
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  • 21
    Keywords: Electronics ; Engineering ; Nanotechnology ; Thermodynamics
    ISBN: 9783540736073
    Language: English
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  • 22
    Keywords: Biochemistry ; Chemistry, Physical organic ; Engineering ; Life sciences ; Nanotechnology ; Physical optics
    ISBN: 9783540284727
    Language: English
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  • 23
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    Berlin, Heidelberg : Springer
    Keywords: Analytical biochemistry ; Biotechnology ; Engineering ; Food science ; Medical laboratories
    ISBN: 9783540457435
    Language: English
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  • 24
    Keywords: Chemistry, Physical organic ; Engineering ; Nanotechnology ; Optical materials ; Physics
    ISBN: 9783540687528
    Language: English
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  • 25
    Keywords: Chemistry, Physical organic ; Chemistry, inorganic ; Condensed matter ; Engineering ; Materials ; Structural control (Engineering)
    ISBN: 9781402034718
    Language: English
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  • 26
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    Totowa, NJ : Humana Press
    Keywords: Biochemical engineering ; Biotechnology ; Chemical engineering ; Engineering ; Environmental sciences ; Microbiology
    ISBN: 9781592599967
    Language: English
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  • 27
    Keywords: Engineering ; Optical materials ; Particles (Nuclear physics) ; Physical optics ; Polymers
    ISBN: 9783540719236
    Language: English
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  • 28
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    Berlin, Heidelberg : Springer
    Keywords: Condensed matter ; Engineering ; Materials ; Nanotechnology ; Optical materials
    ISBN: 9783540401865
    Language: English
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  • 29
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    New York, NY : Springer
    Keywords: Engineering ; Optical materials ; Physical optics
    ISBN: 9780387748016
    Language: English
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  • 30
    Keywords: Engineering ; Materials
    ISBN: 9781402085840
    Language: English
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  • 31
    Keywords: Building construction ; Engineering ; Materials ; Physics
    ISBN: 9781852334277
    Language: English
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  • 32
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    Dordrecht : Springer
    Keywords: Chemicals ; Safety measures ; Engineering ; Materials ; Polymers
    ISBN: 9781402053566
    Language: English
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  • 33
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    Berlin, Heidelberg : Springer
    Keywords: Computer engineering ; Engineering ; Nanotechnology ; Optical materials ; Physical optics ; Quantum optics
    ISBN: 9783540469360
    Language: English
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  • 34
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    Berlin, Heidelberg : Springer
    Keywords: Crystallography ; Engineering ; Particles (Nuclear physics) ; Surfaces (Physics)
    Edition: Third Edition
    ISBN: 9783540738862
    Language: English
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  • 35
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    Berlin, Heidelberg : Springer
    Keywords: Electronics ; Engineering ; Nanotechnology
    ISBN: 9783540283089
    Language: English
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  • 36
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    Berlin, Heidelberg : Springer
    Keywords: Condensed matter ; Engineering ; Magnetism ; Materials ; Nanotechnology
    ISBN: 9783540495765
    Language: English
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  • 37
    Keywords: Condensed matter ; Engineering ; Optical materials
    ISBN: 9783540734567
    Language: English
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  • 38
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    Boston, MA : Kluwer Academic Publishers
    Keywords: Engineering ; Materials
    ISBN: 9781402081330
    Language: English
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  • 39
    Keywords: Electromagnetism ; Engineering ; Laser physics ; Remote sensing
    ISBN: 9781402065033
    Language: English
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  • 40
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    Berlin, Heidelberg : Springer
    Keywords: Condensed matter ; Engineering ; Nanotechnology ; Surfaces (Physics)
    ISBN: 9783540343158
    Language: English
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  • 41
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    Berlin, Heidelberg : Springer
    Keywords: Engineering ; Magnetism ; Nanotechnology ; Optical materials
    ISBN: 9783540493365
    Language: English
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  • 42
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    Berlin, Heidelberg : Springer
    Keywords: Condensed matter ; Engineering ; Nanotechnology
    ISBN: 9783540726753
    Language: English
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  • 43
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    Berlin, Heidelberg : Springer
    Keywords: Chemistry, Physical organic ; Condensed matter ; Engineering ; Optical materials
    ISBN: 9783540712954
    Language: English
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  • 44
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    Berlin, Heidelberg : Springer
    Keywords: Engineering ; Optical materials ; Particles (Nuclear physics) ; Physical optics
    ISBN: 9783540745297
    Language: English
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  • 45
    Keywords: Condensed matter ; Engineering ; Materials ; Nanotechnology ; Optical materials
    ISBN: 9781402035623
    Language: English
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  • 46
    Publication Date: 2009-12-17
    Description: Using next-generation sequencing technology alone, we have successfully generated and assembled a draft sequence of the giant panda genome. The assembled contigs (2.25 gigabases (Gb)) cover approximately 94% of the whole genome, and the remaining gaps (0.05 Gb) seem to contain carnivore-specific repeats and tandem repeats. Comparisons with the dog and human showed that the panda genome has a lower divergence rate. The assessment of panda genes potentially underlying some of its unique traits indicated that its bamboo diet might be more dependent on its gut microbiome than its own genetic composition. We also identified more than 2.7 million heterozygous single nucleotide polymorphisms in the diploid genome. Our data and analyses provide a foundation for promoting mammalian genetic research, and demonstrate the feasibility for using next-generation sequencing technologies for accurate, cost-effective and rapid de novo assembly of large eukaryotic genomes.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3951497/" 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/PMC3951497/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Li, Ruiqiang -- Fan, Wei -- Tian, Geng -- Zhu, Hongmei -- He, Lin -- Cai, Jing -- Huang, Quanfei -- Cai, Qingle -- Li, Bo -- Bai, Yinqi -- Zhang, Zhihe -- Zhang, Yaping -- Wang, Wen -- Li, Jun -- Wei, Fuwen -- Li, Heng -- Jian, Min -- Li, Jianwen -- Zhang, Zhaolei -- Nielsen, Rasmus -- Li, Dawei -- Gu, Wanjun -- Yang, Zhentao -- Xuan, Zhaoling -- Ryder, Oliver A -- Leung, Frederick Chi-Ching -- Zhou, Yan -- Cao, Jianjun -- Sun, Xiao -- Fu, Yonggui -- Fang, Xiaodong -- Guo, Xiaosen -- Wang, Bo -- Hou, Rong -- Shen, Fujun -- Mu, Bo -- Ni, Peixiang -- Lin, Runmao -- Qian, Wubin -- Wang, Guodong -- Yu, Chang -- Nie, Wenhui -- Wang, Jinhuan -- Wu, Zhigang -- Liang, Huiqing -- Min, Jiumeng -- Wu, Qi -- Cheng, Shifeng -- Ruan, Jue -- Wang, Mingwei -- Shi, Zhongbin -- Wen, Ming -- Liu, Binghang -- Ren, Xiaoli -- Zheng, Huisong -- Dong, Dong -- Cook, Kathleen -- Shan, Gao -- Zhang, Hao -- Kosiol, Carolin -- Xie, Xueying -- Lu, Zuhong -- Zheng, Hancheng -- Li, Yingrui -- Steiner, Cynthia C -- Lam, Tommy Tsan-Yuk -- Lin, Siyuan -- Zhang, Qinghui -- Li, Guoqing -- Tian, Jing -- Gong, Timing -- Liu, Hongde -- Zhang, Dejin -- Fang, Lin -- Ye, Chen -- Zhang, Juanbin -- Hu, Wenbo -- Xu, Anlong -- Ren, Yuanyuan -- Zhang, Guojie -- Bruford, Michael W -- Li, Qibin -- Ma, Lijia -- Guo, Yiran -- An, Na -- Hu, Yujie -- Zheng, Yang -- Shi, Yongyong -- Li, Zhiqiang -- Liu, Qing -- Chen, Yanling -- Zhao, Jing -- Qu, Ning -- Zhao, Shancen -- Tian, Feng -- Wang, Xiaoling -- Wang, Haiyin -- Xu, Lizhi -- Liu, Xiao -- Vinar, Tomas -- Wang, Yajun -- Lam, Tak-Wah -- Yiu, Siu-Ming -- Liu, Shiping -- Zhang, Hemin -- Li, Desheng -- Huang, Yan -- Wang, Xia -- Yang, Guohua -- Jiang, Zhi -- Wang, Junyi -- Qin, Nan -- Li, Li -- Li, Jingxiang -- Bolund, Lars -- Kristiansen, Karsten -- Wong, Gane Ka-Shu -- Olson, Maynard -- Zhang, Xiuqing -- Li, Songgang -- Yang, Huanming -- Wang, Jian -- Wang, Jun -- R01 HG003229/HG/NHGRI NIH HHS/ -- R01 HG003229-05/HG/NHGRI NIH HHS/ -- England -- Nature. 2010 Jan 21;463(7279):311-7. doi: 10.1038/nature08696. Epub 2009 Dec 13.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉BGI-Shenzhen, Shenzhen 518083, China.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20010809" target="_blank"〉PubMed〈/a〉
    Keywords: Algorithms ; Animals ; China ; Conserved Sequence/genetics ; Contig Mapping ; Diet/veterinary ; Dogs ; Evolution, Molecular ; Female ; Fertility/genetics/physiology ; Genome/*genetics ; *Genomics ; Heterozygote ; Humans ; Multigene Family/genetics ; Polymorphism, Single Nucleotide/genetics ; Receptors, G-Protein-Coupled/genetics ; Sequence Alignment ; Sequence Analysis, DNA ; Synteny/genetics ; Ursidae/classification/*genetics/physiology
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 47
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    Nature Publishing Group (NPG)
    Publication Date: 2008-03-07
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Shadan, Sadaf -- England -- Nature. 2008 Mar 6;452(7183):39. doi: 10.1038/452039a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18322520" target="_blank"〉PubMed〈/a〉
    Keywords: Aging ; Cell Differentiation ; Cell Lineage ; Child, Preschool ; Female ; Humans ; Lamin Type A ; Mesenchymal Stromal Cells/pathology ; Nuclear Proteins/genetics/metabolism ; Progeria/metabolism/*pathology/*physiopathology ; Protein Precursors/genetics/metabolism
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 48
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    Nature Publishing Group (NPG)
    Publication Date: 2008-06-13
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wadman, Meredith -- England -- Nature. 2008 Jun 12;453(7197):835. doi: 10.1038/453835a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18548033" target="_blank"〉PubMed〈/a〉
    Keywords: Financing, Organized/economics/*organization & administration ; *National Institutes of Health (U.S.)/economics ; Peer Review, Research/*methods/*standards ; Research Personnel/economics/standards ; United States
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 49
    Publication Date: 2008-05-30
    Description: The extinct placoderm fishes were the dominant group of vertebrates throughout the Middle Palaeozoic era, yet controversy about their relationships within the gnathostomes (jawed vertebrates) is partly due to different interpretations of their reproductive biology. Here we document the oldest record of a live-bearing vertebrate in a new ptyctodontid placoderm, Materpiscis attenboroughi gen. et sp. nov., from the Late Devonian Gogo Formation of Australia (approximately 380 million years ago). The new specimen, remarkably preserved in three dimensions, contains a single, intra-uterine embryo connected by a permineralized umbilical cord. An amorphous crystalline mass near the umbilical cord possibly represents the recrystallized yolk sac. Another ptyctodont from the Gogo Formation, Austroptyctodus gardineri, also shows three small embryos inside it in the same position. Ptyctodontids have already provided the oldest definite evidence for vertebrate copulation, and the new specimens confirm that some placoderms had a remarkably advanced reproductive biology, comparable to that of some modern sharks and rays. The new discovery points to internal fertilization and viviparity in vertebrates as originating earliest within placoderms.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Long, John A -- Trinajstic, Kate -- Young, Gavin C -- Senden, Tim -- England -- Nature. 2008 May 29;453(7195):650-2. doi: 10.1038/nature06966.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Museum Victoria, Melbourne, PO Box 666, Melbourne 3001, Australia. jlong@museum.vic.gov.au〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18509443" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Australia ; Biological Evolution ; Female ; Fishes/classification/*embryology/*physiology ; *Fossils ; History, Ancient ; Microscopy, Electron, Scanning ; Viviparity, Nonmammalian/*physiology
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 50
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    Nature Publishing Group (NPG)
    Publication Date: 2008-05-08
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wadman, Meredith -- England -- Nature. 2008 May 1;453(7191):9. doi: 10.1038/453009a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18461710" target="_blank"〉PubMed〈/a〉
    Keywords: *Federal Government ; Genetic Privacy/*legislation & jurisprudence ; Genetics, Medical/*legislation & jurisprudence ; Genomics/legislation & jurisprudence/trends ; Humans ; Individuality ; *Prejudice ; United States
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 51
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    Nature Publishing Group (NPG)
    Publication Date: 2008-02-29
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wadman, Meredith -- England -- Nature. 2008 Feb 28;451(7182):1035. doi: 10.1038/4511035a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18305502" target="_blank"〉PubMed〈/a〉
    Keywords: Financing, Organized/economics/*organization & administration ; National Institutes of Health (U.S.)/*economics/*organization & administration ; Peer Review, Research/*methods/trends ; Research Personnel ; United States
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 52
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    Nature Publishing Group (NPG)
    Publication Date: 2008-03-07
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wadman, Meredith -- England -- Nature. 2008 Mar 6;452(7183):6-7. doi: 10.1038/452006a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18322484" target="_blank"〉PubMed〈/a〉
    Keywords: Celecoxib ; Confidentiality/*legislation & jurisprudence ; *Drug Industry ; Humans ; *Isoxazoles/adverse effects/pharmacology ; Peer Review, Research/*legislation & jurisprudence ; Periodicals as Topic/*legislation & jurisprudence ; *Pyrazoles/adverse effects/pharmacology ; *Sulfonamides/adverse effects/pharmacology ; United States
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 53
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    Publication Date: 2008-02-08
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wadman, Meredith -- England -- Nature. 2008 Feb 7;451(7179):622-6. doi: 10.1038/451622a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18256640" target="_blank"〉PubMed〈/a〉
    Keywords: Academies and Institutes/economics/legislation & jurisprudence ; Female ; Humans ; New Jersey ; *Politics ; Research Embryo Creation/economics/legislation & jurisprudence ; *State Government ; *Stem Cells
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 54
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    Publication Date: 2008-12-05
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉England -- Nature. 2008 Dec 4;456(7222):545. doi: 10.1038/456545a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19052574" target="_blank"〉PubMed〈/a〉
    Keywords: Acquired Immunodeficiency Syndrome/drug therapy/*epidemiology/*mortality ; Anti-HIV Agents/*supply & distribution ; Child ; *Federal Government ; Female ; Humans ; Politics ; Pregnancy ; *Public Policy ; South Africa/epidemiology
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 55
    Publication Date: 2008-05-13
    Description: Sound communication plays a vital role in frog reproduction, in which vocal advertisement is generally the domain of males. Females are typically silent, but in a few anuran species they can produce a feeble reciprocal call or rapping sounds during courtship. Males of concave-eared torrent frogs (Odorrana tormota) have demonstrated ultrasonic communication capacity. Although females of O. tormota have an unusually well-developed vocal production system, it is unclear whether or not they produce calls or are only passive partners in a communication system dominated by males. Here we show that before ovulation, gravid females of O. tormota emit calls that are distinct from males' advertisement calls, having higher fundamental frequencies and harmonics and shorter call duration. In the field and in a quiet, darkened indoor arena, these female calls evoke vocalizations and extraordinarily precise positive phonotaxis (a localization error of 〈1 degrees ), rivalling that of vertebrates with the highest localization acuity (barn owls, dolphins, elephants and humans). The localization accuracy of O. tormota is remarkable in light of their small head size (interaural distance of 〈1 cm), and suggests an additional selective advantage of high-frequency hearing beyond the ability to avoid masking by low-frequency background noise.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Shen, Jun-Xian -- Feng, Albert S -- Xu, Zhi-Min -- Yu, Zu-Lin -- Arch, Victoria S -- Yu, Xin-Jian -- Narins, Peter M -- England -- Nature. 2008 Jun 12;453(7197):914-6. doi: 10.1038/nature06719. Epub 2008 May 11.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉State Key Laboratory of Brain and Cognitive Science, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China. shenjx@sun5.ibp.ac.cn〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18469804" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; China ; *Courtship ; Female ; Humans ; Male ; Motor Activity/*physiology ; Ranidae/*physiology ; *Sex Characteristics ; Sound ; *Ultrasonics ; Vocalization, Animal/*physiology
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 56
    Publication Date: 2008-03-28
    Description: As perceived by Darwin, evolutionary adaptation by the processes of mutation and selection is difficult to understand for complex features that are the product of numerous traits acting in concert, for example the eye or the apparatus of flight. Typically, mutations simultaneously affect multiple phenotypic characters. This phenomenon is known as pleiotropy. The impact of pleiotropy on evolution has for decades been the subject of formal analysis. Some authors have suggested that pleiotropy can impede evolutionary progress (a so-called 'cost of complexity'). The plausibility of various phenomena attributed to pleiotropy depends on how many traits are affected by each mutation and on our understanding of the correlation between the number of traits affected by each gene substitution and the size of mutational effects on individual traits. Here we show, by studying pleiotropy in mice with the use of quantitative trait loci (QTLs) affecting skeletal characters, that most QTLs affect a relatively small subset of traits and that a substitution at a QTL has an effect on each trait that increases with the total number of traits affected. This suggests that evolution of higher organisms does not suffer a 'cost of complexity' because most mutations affect few traits and the size of the effects does not decrease with pleiotropy.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wagner, Gunter P -- Kenney-Hunt, Jane P -- Pavlicev, Mihaela -- Peck, Joel R -- Waxman, David -- Cheverud, James M -- England -- Nature. 2008 Mar 27;452(7186):470-2. doi: 10.1038/nature06756.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Ecology and Evolutionary Biology, Yale University, New Haven, Connecticut 06520-8106, USA. gunter.wagner@yale.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18368117" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; Body Size/*genetics ; Body Weight/genetics ; Crosses, Genetic ; Female ; Male ; Mice ; Mice, Inbred Strains ; *Models, Genetic ; Mutation/*genetics ; Phenotype ; Quantitative Trait Loci/*genetics ; Selection, Genetic ; *Skeleton
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  • 57
    Publication Date: 2008-06-20
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hunt, Patricia -- England -- Nature. 2008 Jun 19;453(7198):964. doi: 10.1038/453964a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18563110" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Animals, Laboratory/abnormalities ; Benzalkonium Compounds/*toxicity ; Benzhydryl Compounds ; Disinfectants/chemistry/*toxicity ; Environmental Exposure ; Female ; Fertility/*drug effects ; Fetal Death/chemically induced ; *Housing, Animal ; *Laboratories ; Male ; Mice ; Phenols ; Pregnancy ; Quaternary Ammonium Compounds/*toxicity
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  • 58
    Publication Date: 2008-10-04
    Description: HIV has advanced from high-risk groups such as intravenous drug users to some in the general population, according to comprehensive new data from the south of China. What needs to be done to halt its spread?〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lu, Lin -- Jia, Manhong -- Ma, Yanling -- Yang, Li -- Chen, Zhiwei -- Ho, David D -- Jiang, Yan -- Zhang, Linqi -- England -- Nature. 2008 Oct 2;455(7213):609-11. doi: 10.1038/455609a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Yunnan Center for Disease Control and Prevention, Yunnan, People's Republic of China.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18833270" target="_blank"〉PubMed〈/a〉
    Keywords: Adolescent ; Adult ; China/epidemiology ; Ethnic Groups/statistics & numerical data ; Female ; HIV Infections/*epidemiology/prevention & control/transmission/virology ; HIV-1/genetics ; Humans ; Male ; Pregnancy ; Prevalence ; Prostitution/statistics & numerical data ; Sentinel Surveillance ; Sex Ratio ; Substance Abuse, Intravenous/epidemiology
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  • 59
    Publication Date: 2008-03-14
    Description: Genetic data from two or more species provide information about the process of speciation. In their analysis of DNA from humans, chimpanzees, gorillas, orangutans and macaques (HCGOM), Patterson et al. suggest that the apparently short divergence time between humans and chimpanzees on the X chromosome is explained by a massive interspecific hybridization event in the ancestry of these two species. However, Patterson et al. do not statistically test their own null model of simple speciation before concluding that speciation was complex, and--even if the null model could be rejected--they do not consider other explanations of a short divergence time on the X chromosome. These include natural selection on the X chromosome in the common ancestor of humans and chimpanzees, changes in the ratio of male-to-female mutation rates over time, and less extreme versions of divergence with gene flow (see ref. 2, for example). I therefore believe that their claim of hybridization is unwarranted.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wakeley, John -- England -- Nature. 2008 Mar 13;452(7184):E3-4; discussion E4. doi: 10.1038/nature06805.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Organismic and Evolutionary Biology, Harvard University, 16 Divinity Avenue, Cambridge, Massachusetts 02138, USA. wakeley@fas.harvard.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18337768" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Chromosomes, Mammalian/genetics ; Female ; *Genetic Speciation ; Humans ; Male ; *Models, Genetic ; Mutagenesis/genetics ; Pan troglodytes/*genetics ; Phylogeny ; Reproducibility of Results ; Selection, Genetic ; Sex Characteristics ; Time Factors ; X Chromosome/genetics
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  • 60
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    Nature Publishing Group (NPG)
    Publication Date: 2008-12-05
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cohen, Joel E -- England -- Nature. 2008 Dec 4;456(7222):572-3. doi: 10.1038/456572a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Rockefeller University, 1230 York Avenue, New York 10065, USA. cohen@rockefeller.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19052604" target="_blank"〉PubMed〈/a〉
    Keywords: Child ; Child Mortality/trends ; *Developing Countries ; Education/economics/*organization & administration/statistics & numerical ; data/*trends ; Female ; Humans ; Population Growth
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  • 61
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    Nature Publishing Group (NPG)
    Publication Date: 2008-11-21
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉England -- Nature. 2008 Nov 20;456(7220):282. doi: 10.1038/456282a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19020565" target="_blank"〉PubMed〈/a〉
    Keywords: Cell Line ; *Federal Government ; Humans ; Leadership ; National Institutes of Health (U.S.)/*organization & administration ; *Stem Cells/cytology ; United States
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  • 62
    Publication Date: 2008-02-08
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Phillips, Patrick C -- England -- Nature. 2008 Feb 7;451(7179):640-1. doi: 10.1038/451640a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18256655" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; Caenorhabditis elegans/classification/embryology/*genetics/*physiology ; Chromosomes/genetics ; Crosses, Genetic ; Disorders of Sex Development ; Embryo Loss/genetics ; Embryo, Nonmammalian/embryology ; Female ; Genetic Markers/genetics ; Great Britain ; Hawaii ; Hybridization, Genetic ; Male ; Reproduction/genetics/physiology
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  • 63
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    Nature Publishing Group (NPG)
    Publication Date: 2008-11-07
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉England -- Nature. 2008 Nov 6;456(7218):2. doi: 10.1038/456002a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18987684" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Animals, Genetically Modified ; Biotechnology/legislation & jurisprudence ; Food, Genetically Modified/standards ; *Guidelines as Topic ; Humans ; *Legislation, Drug ; United States ; United States Food and Drug Administration/*legislation & jurisprudence
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  • 64
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    Nature Publishing Group (NPG)
    Publication Date: 2008-10-22
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Basu, Paroma -- Qiu, Jane -- Powell, Kendall -- England -- Nature. 2008 Oct 16;455(7215):1002-3. doi: 10.1038/nj7215-1002a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18938259" target="_blank"〉PubMed〈/a〉
    Keywords: Bottle Feeding/statistics & numerical data ; Breast Feeding/statistics & numerical data ; China ; Environmental Pollution/analysis ; Female ; Humans ; India/epidemiology ; *Organizations/organization & administration/statistics & numerical data ; *Research/manpower ; *Research Personnel ; Reward
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  • 65
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    Nature Publishing Group (NPG)
    Publication Date: 2008-07-04
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sloboda, John -- England -- Nature. 2008 Jul 3;454(7200):32-3. doi: 10.1038/454032a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute of Law, Politics and Justice, Keele University, Newcastle, Staffordshire ST5 5BG, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18596790" target="_blank"〉PubMed〈/a〉
    Keywords: Acoustic Stimulation ; Culture ; Female ; Humans ; Music/*psychology ; Research/trends ; *Science
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  • 66
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    Nature Publishing Group (NPG)
    Publication Date: 2008-07-16
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Smaglik, Paul -- England -- Nature. 2008 Jun 5;453(7196):818-20. doi: 10.1038/nj7196-818a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18623624" target="_blank"〉PubMed〈/a〉
    Keywords: Academies and Institutes/*organization & administration/trends ; Alabama ; Biomedical Research/trends ; Biotechnology/*manpower/*organization & administration/trends ; Employment/trends ; Entrepreneurship/trends ; Humans ; United States ; United States National Aeronautics and Space Administration/*trends ; Universities/manpower
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  • 67
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    Nature Publishing Group (NPG)
    Publication Date: 2008-10-31
    Description: An experiment by the Gates Foundation is food for thought for other research agencies.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉England -- Nature. 2008 Oct 30;455(7217):1150. doi: 10.1038/4551150a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18971970" target="_blank"〉PubMed〈/a〉
    Keywords: Biomedical Research/economics ; Creativity ; Foundations/*economics ; Humans ; Investments ; National Institutes of Health (U.S.)/economics ; Peer Review, Research/*standards ; Research Support as Topic/*economics ; *Risk-Taking ; United States
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  • 68
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    Nature Publishing Group (NPG)
    Publication Date: 2008-10-31
    Description: The values of scientific enquiry, rather than any particular policy positions on science, suggest a preference for one US presidential candidate over the other.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉England -- Nature. 2008 Oct 30;455(7217):1149. doi: 10.1038/4551149a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18971969" target="_blank"〉PubMed〈/a〉
    Keywords: *Federal Government ; *Politics ; *Science/standards ; United States
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  • 69
    Publication Date: 2008-08-15
    Description: Dorsal-ventral patterning in vertebrate and invertebrate embryos is mediated by a conserved system of secreted proteins that establishes a bone morphogenetic protein (BMP) gradient. Although the Drosophila embryonic Decapentaplegic (Dpp) gradient has served as a model to understand how morphogen gradients are established, no role for the extracellular matrix has been previously described. Here we show that type IV collagen extracellular matrix proteins bind Dpp and regulate its signalling in both the Drosophila embryo and ovary. We provide evidence that the interaction between Dpp and type IV collagen augments Dpp signalling in the embryo by promoting gradient formation, yet it restricts the signalling range in the ovary through sequestration of the Dpp ligand. Together, these results identify a critical function of type IV collagens in modulating Dpp in the extracellular space during Drosophila development. On the basis of our findings that human type IV collagen binds BMP4, we predict that this role of type IV collagens will be conserved.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wang, Xiaomeng -- Harris, Robin E -- Bayston, Laura J -- Ashe, Hilary L -- BBS/B/11672/Biotechnology and Biological Sciences Research Council/United Kingdom -- Biotechnology and Biological Sciences Research Council/United Kingdom -- England -- Nature. 2008 Sep 4;455(7209):72-7. doi: 10.1038/nature07214.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Faculty of Life Sciences, The University of Manchester, Oxford Road, Manchester M13 9PT, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18701888" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Body Patterning ; Bone Morphogenetic Proteins/genetics/*metabolism ; Cell Count ; Collagen Type IV/genetics/*metabolism ; Drosophila Proteins/genetics/*metabolism ; Drosophila melanogaster/embryology/genetics/*metabolism ; Female ; Male ; Ovary/cytology/metabolism ; Protein Binding ; *Signal Transduction ; Transforming Growth Factor beta/genetics/metabolism
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  • 70
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    Nature Publishing Group (NPG)
    Publication Date: 2008-10-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉England -- Nature. 2008 Oct 16;455(7215):848. doi: 10.1038/455848a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18923477" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Animals, Genetically Modified ; Green Fluorescent Proteins/genetics/*metabolism ; Luminescence ; Mice ; *Nobel Prize ; *Research Personnel ; Swine ; United States
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  • 71
    Publication Date: 2008-05-13
    Description: The existence of a small population of 'cancer-initiating cells' responsible for tumour maintenance has been firmly demonstrated in leukaemia. This concept is currently being tested in solid tumours. Leukaemia-initiating cells, particularly those that are in a quiescent state, are thought to be resistant to chemotherapy and targeted therapies, resulting in disease relapse. Chronic myeloid leukaemia is a paradigmatic haematopoietic stem cell disease in which the leukaemia-initiating-cell pool is not eradicated by current therapy, leading to disease relapse on drug discontinuation. Here we define the critical role of the promyelocytic leukaemia protein (PML) tumour suppressor in haematopoietic stem cell maintenance, and present a new therapeutic approach for targeting quiescent leukaemia-initiating cells and possibly cancer-initiating cells by pharmacological inhibition of PML.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2712082/" 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/PMC2712082/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ito, Keisuke -- Bernardi, Rosa -- Morotti, Alessandro -- Matsuoka, Sahoko -- Saglio, Giuseppe -- Ikeda, Yasuo -- Rosenblatt, Jacalyn -- Avigan, David E -- Teruya-Feldstein, Julie -- Pandolfi, Pier Paolo -- K99 CA139009/CA/NCI NIH HHS/ -- R00 CA139009/CA/NCI NIH HHS/ -- R37 CA071692/CA/NCI NIH HHS/ -- R37 CA071692-12/CA/NCI NIH HHS/ -- England -- Nature. 2008 Jun 19;453(7198):1072-8. doi: 10.1038/nature07016. Epub 2008 May 11.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Cancer Genetics Program, Beth Israel Deaconess Cancer Center, Department of Medicine, Harvard Medical School, New Research Building, 330 Brookline Avenue, Boston, Massachusetts 02215, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18469801" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Animals ; Arsenicals/pharmacology/therapeutic use ; Cell Line ; Coculture Techniques ; Female ; Gene Expression Regulation, Neoplastic ; Hematopoietic Stem Cells/pathology ; Humans ; Leukemia, Myelogenous, Chronic, BCR-ABL Positive/metabolism/*pathology ; Male ; Mice ; Mice, Inbred C57BL ; Neoplastic Stem Cells/metabolism/*pathology ; Nuclear Proteins/antagonists & inhibitors/deficiency/genetics/*metabolism ; Oxides/pharmacology/therapeutic use ; Recurrence ; Regeneration ; Transcription Factors/antagonists & inhibitors/deficiency/genetics/*metabolism ; Tumor Suppressor Proteins/antagonists & ; inhibitors/deficiency/genetics/*metabolism
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  • 72
    Publication Date: 2008-11-14
    Description: Our decisions are guided by information learnt from our environment. This information may come via personal experiences of reward, but also from the behaviour of social partners. Social learning is widely held to be distinct from other forms of learning in its mechanism and neural implementation; it is often assumed to compete with simpler mechanisms, such as reward-based associative learning, to drive behaviour. Recently, neural signals have been observed during social exchange reminiscent of signals seen in studies of associative learning. Here we demonstrate that social information may be acquired using the same associative processes assumed to underlie reward-based learning. We find that key computational variables for learning in the social and reward domains are processed in a similar fashion, but in parallel neural processing streams. Two neighbouring divisions of the anterior cingulate cortex were central to learning about social and reward-based information, and for determining the extent to which each source of information guides behaviour. When making a decision, however, the information learnt using these parallel streams was combined within ventromedial prefrontal cortex. These findings suggest that human social valuation can be realized by means of the same associative processes previously established for learning other, simpler, features of the environment.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2605577/" 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/PMC2605577/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Behrens, Timothy E J -- Hunt, Laurence T -- Woolrich, Mark W -- Rushworth, Matthew F S -- G0501316/Medical Research Council/United Kingdom -- G0501316(75487)/Medical Research Council/United Kingdom -- G0600994/Medical Research Council/United Kingdom -- Medical Research Council/United Kingdom -- Wellcome Trust/United Kingdom -- England -- Nature. 2008 Nov 13;456(7219):245-9. doi: 10.1038/nature07538.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉FMRIB Centre, University of Oxford, John Radcliffe Hospital, Oxford OX3 9DU, UK. behrens@fmrib.ox.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19005555" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Female ; Humans ; Learning/*physiology ; Male ; Middle Aged ; Models, Statistical ; Prefrontal Cortex/physiology ; Reward ; *Social Behavior
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  • 73
    Publication Date: 2008-11-07
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Coulson, Tim -- Malo, Aurelio -- England -- Nature. 2008 Nov 6;456(7218):43-4. doi: 10.1038/456043a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18987726" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Arvicolinae/*physiology ; *Ecosystem ; Female ; *Greenhouse Effect ; History, 20th Century ; History, 21st Century ; Norway ; Population Dynamics ; Seasons ; Snow ; Temperature
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  • 74
    Publication Date: 2008-04-11
    Description: There exists controversy over the nature of haematopoietic progenitors of T cells. Most T cells develop in the thymus, but the lineage potential of thymus-colonizing progenitors is unknown. One approach to resolving this question is to determine the lineage potentials of the earliest thymic progenitors (ETPs). Previous work has shown that ETPs possess T and natural killer lymphoid potentials, and rare subsets of ETPs also possess B lymphoid potential, suggesting an origin from lymphoid-restricted progenitor cells. However, whether ETPs also possess myeloid potential is unknown. Here we show that nearly all ETPs in adult mice possess both T and myeloid potential in clonal assays. The existence of progenitors possessing T and myeloid potential within the thymus is incompatible with the current dominant model of haematopoiesis, in which T cells are proposed to arise from lymphoid-. Our results indicate that alternative models for lineage commitment during haematopoiesis must be considered.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bell, J Jeremiah -- Bhandoola, Avinash -- England -- Nature. 2008 Apr 10;452(7188):764-7. doi: 10.1038/nature06840.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pathology and Laboratory Medicine, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania 19104, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18401411" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Cell Lineage ; Cells, Cultured ; Coculture Techniques ; Dendritic Cells/cytology ; Female ; Granulocytes/cytology ; *Hematopoiesis ; Hematopoietic Stem Cells/*cytology/metabolism ; Macrophages/cytology ; Mice ; Models, Biological ; Myeloid Cells/*cytology/metabolism ; Stromal Cells/cytology ; T-Lymphocytes/*cytology/metabolism ; Thymus Gland/*cytology
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  • 75
    Publication Date: 2008-06-13
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Maher, Brendan -- England -- Nature. 2008 Jun 12;453(7197):828-9. doi: 10.1038/453828a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18548027" target="_blank"〉PubMed〈/a〉
    Keywords: Embryonic Stem Cells/*cytology ; Female ; Humans ; Oocyte Donation/*economics/ethics/*legislation & jurisprudence/statistics & ; numerical data ; Ovum/cytology ; *Research Embryo Creation/economics/ethics/legislation & jurisprudence ; *State Government ; United States
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  • 76
    Publication Date: 2008-04-04
    Description: In vertebrate oocytes, meiotic progression is driven by the sequential translational activation of maternal messenger RNAs stored in the cytoplasm. This activation is mainly induced by the cytoplasmic elongation of their poly(A) tails, which is mediated by the cytoplasmic polyadenylation element (CPE) present in their 3' untranslated regions. In Xenopus oocytes, sequential phase-specific translation of CPE-regulated mRNAs is required to activate the maturation-promoting factor, which in turn mediates entry into the two consecutive meiotic metaphases (MI and MII). Here we report a genome-wide functional screening to identify previously unknown mRNAs cytoplasmically polyadenylated at meiotic phase transitions. A significant fraction of transcripts containing, in addition to CPEs, (A + U)-rich element (ARE) sequences (characteristic of mRNAs regulated by deadenylation) were identified. Among these is the mRNA encoding C3H-4, an ARE-binding protein that we find to accumulate in MI and the ablation of which induces meiotic arrest. Our results suggest that C3H-4 recruits the CCR4 deadenylase complex to ARE-containing mRNAs and this, in turn, causes shortening of poly(A) tails. We also show that the opposing activities of the CPEs and the AREs define the precise activation times of the mRNAs encoding the anaphase-promoting complex inhibitors Emi1 and Emi2 during distinct phases of the meiotic cycle. Taken together, our results show that an 'early' wave of cytoplasmic polyadenylation activates a negative feedback loop by activating the synthesis of C3H-4, which in turn would recruit the deadenylase complex to mRNAs containing both CPEs and AREs. This negative feedback loop is required to exit from metaphase into interkinesis and for meiotic progression.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Belloc, Eulalia -- Mendez, Raul -- England -- Nature. 2008 Apr 24;452(7190):1017-21. doi: 10.1038/nature06809. Epub 2008 Apr 2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Centre for Genomic Regulation (CRG), Pompeu Fabra University (UPF), C/Dr Aiguader 88, 08003, Barcelona, Spain.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18385675" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Cycle Proteins/genetics ; F-Box Proteins/genetics ; Feedback, Physiological/*genetics ; Female ; Genome/genetics ; *Meiosis/genetics ; *Metaphase ; Oocytes/*cytology/metabolism ; Phosphoproteins/biosynthesis/genetics/metabolism ; *Polyadenylation/genetics ; Protein Biosynthesis/genetics ; RNA, Messenger/genetics/metabolism ; Transcription Factors/metabolism ; Xenopus Proteins/biosynthesis/genetics/metabolism ; Xenopus laevis ; mRNA Cleavage and Polyadenylation Factors/metabolism
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  • 77
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    Nature Publishing Group (NPG)
    Publication Date: 2008-05-24
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Courtland, Rachel -- England -- Nature. 2008 May 22;453(7194):432-3. doi: 10.1038/453432a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18497777" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Arctic Regions ; Conservation of Natural Resources/*legislation & jurisprudence/trends ; *Greenhouse Effect ; *Ice Cover ; Internationality ; Population Density ; Time Factors ; United States ; Ursidae/*physiology
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  • 78
    Publication Date: 2008-10-03
    Description: The integrity of the cornea, the most anterior part of the eye, is indispensable for vision. Forty-five million individuals worldwide are bilaterally blind and another 135 million have severely impaired vision in both eyes because of loss of corneal transparency; treatments range from local medications to corneal transplants, and more recently to stem cell therapy. The corneal epithelium is a squamous epithelium that is constantly renewing, with a vertical turnover of 7 to 14 days in many mammals. Identification of slow cycling cells (label-retaining cells) in the limbus of the mouse has led to the notion that the limbus is the niche for the stem cells responsible for the long-term renewal of the cornea; hence, the corneal epithelium is supposedly renewed by cells generated at and migrating from the limbus, in marked opposition to other squamous epithelia in which each resident stem cell has in charge a limited area of epithelium. Here we show that the corneal epithelium of the mouse can be serially transplanted, is self-maintained and contains oligopotent stem cells with the capacity to generate goblet cells if provided with a conjunctival environment. Furthermore, the entire ocular surface of the pig, including the cornea, contains oligopotent stem cells (holoclones) with the capacity to generate individual colonies of corneal and conjunctival cells. Therefore, the limbus is not the only niche for corneal stem cells and corneal renewal is not different from other squamous epithelia. We propose a model that unifies our observations with the literature and explains why the limbal region is enriched in stem cells.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Majo, Francois -- Rochat, Ariane -- Nicolas, Michael -- Jaoude, Georges Abou -- Barrandon, Yann -- England -- Nature. 2008 Nov 13;456(7219):250-4. doi: 10.1038/nature07406. Epub 2008 Oct 1.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Stem Cell Dynamics, Ecole Polytechnique Federale de Lausanne (EPFL), 1015 Lausanne CH, Switzerland.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18830243" target="_blank"〉PubMed〈/a〉
    Keywords: Adult Stem Cells/*cytology ; Animals ; Cattle ; Cells, Cultured ; Child, Preschool ; Clone Cells ; Corneal Transplantation ; Epithelium, Corneal/*cytology/metabolism ; Female ; Gene Expression Regulation ; Humans ; Infant ; Keratinocytes/cytology/metabolism ; Male ; Mice ; Mice, SCID ; Models, Biological ; Multipotent Stem Cells/*cytology ; Proteins/metabolism ; Rats ; Swine
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  • 79
    Publication Date: 2008-01-22
    Description: Understanding the mechanisms that determine an individual's sex remains a primary challenge for evolutionary biology. Chromosome-based systems (genotypic sex determination) that generate roughly equal numbers of sons and daughters accord with theory, but the adaptive significance of environmental sex determination (that is, when embryonic environmental conditions determine offspring sex, ESD) is a major unsolved problem. Theoretical models predict that selection should favour ESD over genotypic sex determination when the developmental environment differentially influences male versus female fitness (that is, the Charnov-Bull model), but empirical evidence for this hypothesis remains elusive in amniote vertebrates--the clade in which ESD is most prevalent. Here we provide the first substantial empirical support for this model by showing that incubation temperatures influence reproductive success of males differently than that of females in a short-lived lizard (Amphibolurus muricatus, Agamidae) with temperature-dependent sex determination. We incubated eggs at a variety of temperatures, and de-confounded sex and incubation temperature by using hormonal manipulations to embryos. We then raised lizards in field enclosures and quantified their lifetime reproductive success. Incubation temperature affected reproductive success differently in males versus females in exactly the way predicted by theory: the fitness of each sex was maximized by the incubation temperature that produces that sex. Our results provide unequivocal empirical support for the Charnov-Bull model for the adaptive significance of temperature-dependent sex determination in amniote vertebrates.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Warner, D A -- Shine, R -- England -- Nature. 2008 Jan 31;451(7178):566-8. doi: 10.1038/nature06519. Epub 2008 Jan 20.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉School of Biological Sciences, University of Sydney, Sydney, New South Wales 2006, Australia. dwarner@iastate.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18204437" target="_blank"〉PubMed〈/a〉
    Keywords: Acclimatization/physiology ; Adaptation, Physiological/*physiology ; Animals ; Body Size ; Fadrozole/pharmacology ; Female ; Lizards/*embryology/*physiology ; Male ; Models, Biological ; Ovum/drug effects/growth & development ; Reproduction/physiology ; Sex Characteristics ; Sex Differentiation/*physiology ; *Temperature
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  • 80
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    Nature Publishing Group (NPG)
    Publication Date: 2008-12-05
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wassarman, Paul M -- England -- Nature. 2008 Dec 4;456(7222):586-7. doi: 10.1038/456586a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19052615" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Conserved Sequence ; Crystallography, X-Ray ; Egg Proteins/*chemistry/genetics/*metabolism ; Female ; Fertilization/physiology ; Male ; Membrane Glycoproteins/*chemistry/genetics/*metabolism ; Mice ; Ovum/*chemistry/*metabolism ; Protein Folding ; Protein Structure, Secondary ; Protein Structure, Tertiary ; Receptors, Cell Surface/*chemistry/genetics/*metabolism ; Spermatozoa/metabolism
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  • 81
    Publication Date: 2008-05-10
    Description: We present a draft genome sequence of the platypus, Ornithorhynchus anatinus. This monotreme exhibits a fascinating combination of reptilian and mammalian characters. For example, platypuses have a coat of fur adapted to an aquatic lifestyle; platypus females lactate, yet lay eggs; and males are equipped with venom similar to that of reptiles. Analysis of the first monotreme genome aligned these features with genetic innovations. We find that reptile and platypus venom proteins have been co-opted independently from the same gene families; milk protein genes are conserved despite platypuses laying eggs; and immune gene family expansions are directly related to platypus biology. Expansions of protein, non-protein-coding RNA and microRNA families, as well as repeat elements, are identified. Sequencing of this genome now provides a valuable resource for deep mammalian comparative analyses, as well as for monotreme biology and conservation.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2803040/" 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/PMC2803040/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Warren, Wesley C -- Hillier, LaDeana W -- Marshall Graves, Jennifer A -- Birney, Ewan -- Ponting, Chris P -- Grutzner, Frank -- Belov, Katherine -- Miller, Webb -- Clarke, Laura -- Chinwalla, Asif T -- Yang, Shiaw-Pyng -- Heger, Andreas -- Locke, Devin P -- Miethke, Pat -- Waters, Paul D -- Veyrunes, Frederic -- Fulton, Lucinda -- Fulton, Bob -- Graves, Tina -- Wallis, John -- Puente, Xose S -- Lopez-Otin, Carlos -- Ordonez, Gonzalo R -- Eichler, Evan E -- Chen, Lin -- Cheng, Ze -- Deakin, Janine E -- Alsop, Amber -- Thompson, Katherine -- Kirby, Patrick -- Papenfuss, Anthony T -- Wakefield, Matthew J -- Olender, Tsviya -- Lancet, Doron -- Huttley, Gavin A -- Smit, Arian F A -- Pask, Andrew -- Temple-Smith, Peter -- Batzer, Mark A -- Walker, Jerilyn A -- Konkel, Miriam K -- Harris, Robert S -- Whittington, Camilla M -- Wong, Emily S W -- Gemmell, Neil J -- Buschiazzo, Emmanuel -- Vargas Jentzsch, Iris M -- Merkel, Angelika -- Schmitz, Juergen -- Zemann, Anja -- Churakov, Gennady -- Kriegs, Jan Ole -- Brosius, Juergen -- Murchison, Elizabeth P -- Sachidanandam, Ravi -- Smith, Carly -- Hannon, Gregory J -- Tsend-Ayush, Enkhjargal -- McMillan, Daniel -- Attenborough, Rosalind -- Rens, Willem -- Ferguson-Smith, Malcolm -- Lefevre, Christophe M -- Sharp, Julie A -- Nicholas, Kevin R -- Ray, David A -- Kube, Michael -- Reinhardt, Richard -- Pringle, Thomas H -- Taylor, James -- Jones, Russell C -- Nixon, Brett -- Dacheux, Jean-Louis -- Niwa, Hitoshi -- Sekita, Yoko -- Huang, Xiaoqiu -- Stark, Alexander -- Kheradpour, Pouya -- Kellis, Manolis -- Flicek, Paul -- Chen, Yuan -- Webber, Caleb -- Hardison, Ross -- Nelson, Joanne -- Hallsworth-Pepin, Kym -- Delehaunty, Kim -- Markovic, Chris -- Minx, Pat -- Feng, Yucheng -- Kremitzki, Colin -- Mitreva, Makedonka -- Glasscock, Jarret -- Wylie, Todd -- Wohldmann, Patricia -- Thiru, Prathapan -- Nhan, Michael N -- Pohl, Craig S -- Smith, Scott M -- Hou, Shunfeng -- Nefedov, Mikhail -- de Jong, Pieter J -- Renfree, Marilyn B -- Mardis, Elaine R -- Wilson, Richard K -- 062023/Wellcome Trust/United Kingdom -- HG002238/HG/NHGRI NIH HHS/ -- MC_U137761446/Medical Research Council/United Kingdom -- P01 CA013106/CA/NCI NIH HHS/ -- P01 CA013106-37/CA/NCI NIH HHS/ -- R01 GM59290/GM/NIGMS NIH HHS/ -- R01 HG002939/HG/NHGRI NIH HHS/ -- R01 HG004037/HG/NHGRI NIH HHS/ -- R01 HG004037-02/HG/NHGRI NIH HHS/ -- R01HG02385/HG/NHGRI NIH HHS/ -- Medical Research Council/United Kingdom -- England -- Nature. 2008 May 8;453(7192):175-83. doi: 10.1038/nature06936.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Genome Sequencing Center, Washington University School of Medicine, Campus Box 8501, 4444 Forest Park Avenue, St Louis, Missouri 63108, USA. wwarren@wustl.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18464734" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Composition ; Dentition ; *Evolution, Molecular ; Female ; Genome/*genetics ; Genomic Imprinting/genetics ; Humans ; Immunity/genetics ; Male ; Mammals/genetics ; MicroRNAs/genetics ; Milk Proteins/genetics ; Phylogeny ; Platypus/*genetics/immunology/physiology ; Receptors, Odorant/genetics ; Repetitive Sequences, Nucleic Acid/genetics ; Reptiles/genetics ; Sequence Analysis, DNA ; Spermatozoa/metabolism ; Venoms/genetics ; Zona Pellucida/metabolism
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  • 82
    Publication Date: 2008-04-12
    Description: RNA interference (RNAi) is a mechanism by which double-stranded RNAs (dsRNAs) suppress specific transcripts in a sequence-dependent manner. dsRNAs are processed by Dicer to 21-24-nucleotide small interfering RNAs (siRNAs) and then incorporated into the argonaute (Ago) proteins. Gene regulation by endogenous siRNAs has been observed only in organisms possessing RNA-dependent RNA polymerase (RdRP). In mammals, where no RdRP activity has been found, biogenesis and function of endogenous siRNAs remain largely unknown. Here we show, using mouse oocytes, that endogenous siRNAs are derived from naturally occurring dsRNAs and have roles in the regulation of gene expression. By means of deep sequencing, we identify a large number of both approximately 25-27-nucleotide Piwi-interacting RNAs (piRNAs) and approximately 21-nucleotide siRNAs corresponding to messenger RNAs or retrotransposons in growing oocytes. piRNAs are bound to Mili and have a role in the regulation of retrotransposons. siRNAs are exclusively mapped to retrotransposons or other genomic regions that produce transcripts capable of forming dsRNA structures. Inverted repeat structures, bidirectional transcription and antisense transcripts from various loci are sources of the dsRNAs. Some precursor transcripts of siRNAs are derived from expressed pseudogenes, indicating that one role of pseudogenes is to adjust the level of the founding source mRNA through RNAi. Loss of Dicer or Ago2 results in decreased levels of siRNAs and increased levels of retrotransposon and protein-coding transcripts complementary to the siRNAs. Thus, the RNAi pathway regulates both protein-coding transcripts and retrotransposons in mouse oocytes. Our results reveal a role for endogenous siRNAs in mammalian oocytes and show that organisms lacking RdRP activity can produce functional endogenous siRNAs from naturally occurring dsRNAs.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Watanabe, Toshiaki -- Totoki, Yasushi -- Toyoda, Atsushi -- Kaneda, Masahiro -- Kuramochi-Miyagawa, Satomi -- Obata, Yayoi -- Chiba, Hatsune -- Kohara, Yuji -- Kono, Tomohiro -- Nakano, Toru -- Surani, M Azim -- Sakaki, Yoshiyuki -- Sasaki, Hiroyuki -- England -- Nature. 2008 May 22;453(7194):539-43. doi: 10.1038/nature06908. Epub 2008 Apr 10.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Human Genetics, Department of Integrated Genetics, National Institute of Genetics, Research Organization of Information and Systems, Mishima 411-8540, Japan. toshwata@lab.nig.ac.jp〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18404146" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Argonaute Proteins ; Eukaryotic Initiation Factor-2/deficiency/genetics/metabolism ; Female ; Gene Expression Regulation, Developmental ; Gene Library ; Mice ; Mice, Inbred C57BL ; Molecular Sequence Data ; Oocytes/growth & development/*metabolism ; Polymerase Chain Reaction ; Pseudogenes/genetics ; *RNA Interference ; RNA, Double-Stranded/*genetics/*metabolism ; RNA, Messenger/*genetics/metabolism ; RNA, Small Interfering/*genetics/*metabolism ; Retroelements/genetics ; Ribonuclease III/deficiency/genetics/metabolism
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  • 83
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    Nature Publishing Group (NPG)
    Publication Date: 2008-02-01
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Courtland, Rachel -- England -- Nature. 2008 Jan 31;451(7178):508. doi: 10.1038/451508a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18235463" target="_blank"〉PubMed〈/a〉
    Keywords: Environmental Monitoring/instrumentation/*legislation & jurisprudence ; *Law Enforcement ; New York City ; Police/*legislation & jurisprudence ; Security Measures/legislation & jurisprudence ; Terrorism/prevention & control ; Time Factors ; United States ; United States Department of Homeland Security/legislation & jurisprudence
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  • 84
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    Nature Publishing Group (NPG)
    Publication Date: 2008-10-04
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉England -- Nature. 2008 Oct 2;455(7213):565-6. doi: 10.1038/455565b.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18833222" target="_blank"〉PubMed〈/a〉
    Keywords: Humans ; Leadership ; National Institutes of Health (U.S.)/ethics/*organization & ; administration/*trends ; United States
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  • 85
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    Nature Publishing Group (NPG)
    Publication Date: 2008-05-30
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mandavilli, Apoorva -- England -- Nature. 2008 May 29;453(7195):581-2. doi: 10.1038/453581a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18509413" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Defensins/metabolism ; *Ecosystem ; Feces/*microbiology ; Female ; Humans ; Infant, Newborn ; Intestines/*microbiology/*transplantation ; Models, Biological ; Nod2 Signaling Adaptor Protein/genetics/metabolism
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  • 86
    Publication Date: 2008-10-04
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Weinberger, Sharon -- England -- Nature. 2008 Oct 2;455(7213):583-5. doi: 10.1038/455583a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18833247" target="_blank"〉PubMed〈/a〉
    Keywords: Afghanistan ; Anthropology ; Iraq ; Military Science/*methods ; Social Sciences/*trends ; United States
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  • 87
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    Publication Date: 2008-10-04
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉England -- Nature. 2008 Oct 2;455(7213):565. doi: 10.1038/455565a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18833221" target="_blank"〉PubMed〈/a〉
    Keywords: Conservation of Energy Resources/economics/*trends ; Economics/*trends ; *Federal Government ; Greenhouse Effect ; Technology/economics/*trends ; United States
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  • 88
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    Publication Date: 2008-11-07
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Goldston, David -- England -- Nature. 2008 Nov 6;456(7218):16. doi: 10.1038/456016a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18987708" target="_blank"〉PubMed〈/a〉
    Keywords: Conservation of Energy Resources/economics/legislation & jurisprudence/trends ; *Federal Government ; Humans ; Leadership ; National Institutes of Health (U.S.)/economics ; Research Personnel/economics/psychology ; Research Support as Topic/*economics/legislation & jurisprudence/trends ; Science/*economics/legislation & jurisprudence/trends ; United States ; United States National Aeronautics and Space Administration/economics
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  • 89
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    Publication Date: 2008-09-27
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉England -- Nature. 2008 Sep 25;455(7212):431. doi: 10.1038/455431a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18818598" target="_blank"〉PubMed〈/a〉
    Keywords: Embryonic Stem Cells ; *Federal Government ; Greenhouse Effect ; Humans ; *Politics ; Religion and Science ; Research Support as Topic ; Science/*economics/trends ; United States
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  • 90
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    Publication Date: 2008-01-25
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Weinberger, Sharon -- England -- Nature. 2008 Jan 24;451(7177):390-3. doi: 10.1038/451390a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18216826" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bionics/trends ; History, 20th Century ; History, 21st Century ; Humans ; Internet ; Research/history/*trends ; Robotics/trends ; Security Measures/history/organization & administration/*trends ; Technology/history/*trends ; Terrorism/prevention & control ; United States ; United States Government Agencies/economics/history/organization & ; administration/*trends
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  • 91
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    Publication Date: 2008-09-19
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉England -- Nature. 2008 Sep 18;455(7211):273. doi: 10.1038/455273b.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18800096" target="_blank"〉PubMed〈/a〉
    Keywords: Competitive Behavior ; *Creativity ; *Federal Government ; Leadership ; United States
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    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 92
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    Nature Publishing Group (NPG)
    Publication Date: 2008-09-27
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Goldston, David -- England -- Nature. 2008 Sep 25;455(7212):453. doi: 10.1038/455453a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18818626" target="_blank"〉PubMed〈/a〉
    Keywords: Confidentiality ; *Federal Government ; Science/*organization & administration/trends ; United States
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 93
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    Unknown
    Nature Publishing Group (NPG)
    Publication Date: 2008-09-05
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Goldston, David -- England -- Nature. 2008 Sep 4;455(7209):15. doi: 10.1038/455015a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉House Committee on Science. partyofone@gmail.com〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18769410" target="_blank"〉PubMed〈/a〉
    Keywords: Ecosystem ; *Environmental Monitoring/economics ; *Federal Government ; *Politics ; United States
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 94
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    Unknown
    Nature Publishing Group (NPG)
    Publication Date: 2008-08-08
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Goldston, David -- England -- Nature. 2008 Aug 7;454(7205):680. doi: 10.1038/454680a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉House Committee on Science. partyofonecolumn@gmail.com〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18685673" target="_blank"〉PubMed〈/a〉
    Keywords: Budgets/*legislation & jurisprudence/*trends ; *Federal Government ; *Politics ; Research Support as Topic/economics/*legislation & jurisprudence ; Science/*economics/legislation & jurisprudence ; Time Factors ; United States
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 95
    Publication Date: 2008-05-02
    Description: Half a century ago, the apical ectodermal ridge (AER) at the distal tip of the tetrapod limb bud was shown to produce signals necessary for development along the proximal-distal (P-D) axis, but how these signals influence limb patterning is still much debated. Fibroblast growth factor (FGF) gene family members are key AER-derived signals, with Fgf4, Fgf8, Fgf9 and Fgf17 expressed specifically in the mouse AER. Here we demonstrate that mouse limbs lacking Fgf4, Fgf9 and Fgf17 have normal skeletal pattern, indicating that Fgf8 is sufficient among AER-FGFs to sustain normal limb formation. Inactivation of Fgf8 alone causes a mild skeletal phenotype; however, when we also removed different combinations of the other AER-FGF genes, we obtained unexpected skeletal phenotypes of increasing severity, reflecting the contribution that each FGF can make to the total AER-FGF signal. Analysis of the compound mutant limb buds revealed that, in addition to sustaining cell survival, AER-FGFs regulate P-D-patterning gene expression during early limb bud development, providing genetic evidence that AER-FGFs function to specify a distal domain and challenging the long-standing hypothesis that AER-FGF signalling is permissive rather than instructive for limb patterning. We discuss how a two-signal model for P-D patterning can be integrated with the concept of early specification to explain the genetic data presented here.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2631409/" 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/PMC2631409/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mariani, Francesca V -- Ahn, Christina P -- Martin, Gail R -- F32 HD008696/HD/NICHD NIH HHS/ -- F32 HD008696-01/HD/NICHD NIH HHS/ -- F32 HD008696-02/HD/NICHD NIH HHS/ -- F32 HD008696-03/HD/NICHD NIH HHS/ -- R01 HD034380/HD/NICHD NIH HHS/ -- R01 HD034380-05/HD/NICHD NIH HHS/ -- R01 HD034380-06/HD/NICHD NIH HHS/ -- R01 HD034380-07/HD/NICHD NIH HHS/ -- R01 HD034380-08/HD/NICHD NIH HHS/ -- R01 HD034380-09/HD/NICHD NIH HHS/ -- R01 HD34380/HD/NICHD NIH HHS/ -- England -- Nature. 2008 May 15;453(7193):401-5. doi: 10.1038/nature06876. Epub 2008 Apr 30.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Anatomy and Program in Developmental Biology, School of Medicine, University of California at San Francisco, San Francisco, California 94158-2324, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18449196" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Body Patterning/*genetics/*physiology ; Bone and Bones/embryology/metabolism ; Cell Survival ; Female ; Fibroblast Growth Factor 8/deficiency/genetics/*metabolism ; Fibroblast Growth Factors/deficiency/genetics/*metabolism ; Homeodomain Proteins/genetics ; Limb Buds/cytology/*embryology/metabolism ; Male ; Mice ; Neoplasm Proteins/genetics ; Organ Size ; Signal Transduction
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  • 96
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    Nature Publishing Group (NPG)
    Publication Date: 2008-08-08
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Berry, Donald A -- England -- Nature. 2008 Aug 7;454(7205):692-3. doi: 10.1038/454692a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Quantitative Sciences, Department of Biostatistics, MD Anderson Cancer Center, University of Texas, 1400 Pressler Street, Houston, Texas 77030-1402, USA. dberry@mdanderson.org〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18685682" target="_blank"〉PubMed〈/a〉
    Keywords: Doping in Sports/*prevention & control ; False Positive Reactions ; Female ; Humans ; Male ; Probability ; Reproducibility of Results ; Sample Size ; Sensitivity and Specificity ; *Sports/ethics/standards ; Substance Abuse Detection/methods/*standards
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 97
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    Nature Publishing Group (NPG)
    Publication Date: 2008-07-04
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Goldston, David -- England -- Nature. 2008 Jul 3;454(7200):16. doi: 10.1038/454016a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Harvard University's Center for the Environment, USA. partyofonecolumn@gmail.com〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18596778" target="_blank"〉PubMed〈/a〉
    Keywords: Conservation of Natural Resources/economics/legislation & jurisprudence ; *Federal Government ; Hydrogen-Ion Concentration ; *Lobbying ; Oceans and Seas ; Policy Making ; Seawater/*chemistry ; United States
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    Electronic ISSN: 1476-4687
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  • 98
    Publication Date: 2008-09-23
    Description: Type 1 diabetes (T1D) is a debilitating autoimmune disease that results from T-cell-mediated destruction of insulin-producing beta-cells. Its incidence has increased during the past several decades in developed countries, suggesting that changes in the environment (including the human microbial environment) may influence disease pathogenesis. The incidence of spontaneous T1D in non-obese diabetic (NOD) mice can be affected by the microbial environment in the animal housing facility or by exposure to microbial stimuli, such as injection with mycobacteria or various microbial products. Here we show that specific pathogen-free NOD mice lacking MyD88 protein (an adaptor for multiple innate immune receptors that recognize microbial stimuli) do not develop T1D. The effect is dependent on commensal microbes because germ-free MyD88-negative NOD mice develop robust diabetes, whereas colonization of these germ-free MyD88-negative NOD mice with a defined microbial consortium (representing bacterial phyla normally present in human gut) attenuates T1D. We also find that MyD88 deficiency changes the composition of the distal gut microbiota, and that exposure to the microbiota of specific pathogen-free MyD88-negative NOD donors attenuates T1D in germ-free NOD recipients. Together, these findings indicate that interaction of the intestinal microbes with the innate immune system is a critical epigenetic factor modifying T1D predisposition.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2574766/" 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/PMC2574766/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wen, Li -- Ley, Ruth E -- Volchkov, Pavel Yu -- Stranges, Peter B -- Avanesyan, Lia -- Stonebraker, Austin C -- Hu, Changyun -- Wong, F Susan -- Szot, Gregory L -- Bluestone, Jeffrey A -- Gordon, Jeffrey I -- Chervonsky, Alexander V -- DK063452/DK/NIDDK NIH HHS/ -- DK30292/DK/NIDDK NIH HHS/ -- DK42086/DK/NIDDK NIH HHS/ -- DK45735/DK/NIDDK NIH HHS/ -- DK70977/DK/NIDDK NIH HHS/ -- P30 DK042086/DK/NIDDK NIH HHS/ -- P30 DK042086-16/DK/NIDDK NIH HHS/ -- P30 DK045735/DK/NIDDK NIH HHS/ -- P30 DK045735-10/DK/NIDDK NIH HHS/ -- P30 DK045735-119006/DK/NIDDK NIH HHS/ -- P30 DK056341/DK/NIDDK NIH HHS/ -- P30 DK056341-07/DK/NIDDK NIH HHS/ -- P30 DK056341-08/DK/NIDDK NIH HHS/ -- P30 DK063720/DK/NIDDK NIH HHS/ -- P30 DK063720-01/DK/NIDDK NIH HHS/ -- P30 DK63720/DK/NIDDK NIH HHS/ -- R01 DK030292/DK/NIDDK NIH HHS/ -- R01 DK030292-24/DK/NIDDK NIH HHS/ -- R01 DK070977/DK/NIDDK NIH HHS/ -- R01 DK070977-04/DK/NIDDK NIH HHS/ -- R21 DK063452/DK/NIDDK NIH HHS/ -- R21 DK063452-02/DK/NIDDK NIH HHS/ -- R37 AI046643/AI/NIAID NIH HHS/ -- R37 AI046643-10/AI/NIAID NIH HHS/ -- R37 AI46643/AI/NIAID NIH HHS/ -- England -- Nature. 2008 Oct 23;455(7216):1109-13. doi: 10.1038/nature07336. Epub 2008 Sep 21.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Section of Endocrinology, Yale University School of Medicine, New Haven, Connecticut 06520, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18806780" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bacteria/classification/genetics/*immunology/isolation & purification ; CD8-Positive T-Lymphocytes/immunology ; Diabetes Mellitus, Type 1/genetics/*immunology/*microbiology ; Female ; Immunity, Innate/genetics/*immunology ; Interferon-gamma/immunology ; Intestines/*microbiology ; Islets of Langerhans/pathology ; Male ; Mice ; Mice, Inbred NOD ; Mice, Knockout ; Mice, SCID ; Molecular Sequence Data ; Myeloid Differentiation Factor 88/genetics ; Phylogeny ; Specific Pathogen-Free Organisms ; Time Factors
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  • 99
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    Unknown
    Nature Publishing Group (NPG)
    Publication Date: 2008-06-13
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Goldston, David -- England -- Nature. 2008 Jun 12;453(7197):838. doi: 10.1038/453838a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Harvard University's Center for the Environment, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18548041" target="_blank"〉PubMed〈/a〉
    Keywords: Biomedical Research/*economics ; *Federal Government ; Humans ; National Institutes of Health (U.S.)/*economics ; Technology Transfer ; United States
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    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 100
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    Nature Publishing Group (NPG)
    Publication Date: 2008-05-24
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Spinney, Laura -- England -- Nature. 2008 May 22;453(7194):442-4. doi: 10.1038/453442a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18497791" target="_blank"〉PubMed〈/a〉
    Keywords: Crime/*legislation & jurisprudence ; Criminal Law/*methods/standards ; DNA Fingerprinting ; Evaluation Studies as Topic ; Great Britain ; Humans ; Police ; Reproducibility of Results ; *Research ; United States
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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