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  • Himalayas  (136)
  • Mutation  (19)
  • Extraterrestrial Environment  (14)
  • Male  (12)
  • 2000-2004  (180)
  • 1975-1979
  • 2004  (180)
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  • 2000-2004  (180)
  • 1975-1979
Year
  • 1
    Publication Date: 2004-12-14
    Description: We report a draft sequence for the genome of the domesticated silkworm (Bombyx mori), covering 90.9% of all known silkworm genes. Our estimated gene count is 18,510, which exceeds the 13,379 genes reported for Drosophila melanogaster. Comparative analyses to fruitfly, mosquito, spider, and butterfly reveal both similarities and differences in gene content.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Xia, Qingyou -- Zhou, Zeyang -- Lu, Cheng -- Cheng, Daojun -- Dai, Fangyin -- Li, Bin -- Zhao, Ping -- Zha, Xingfu -- Cheng, Tingcai -- Chai, Chunli -- Pan, Guoqing -- Xu, Jinshan -- Liu, Chun -- Lin, Ying -- Qian, Jifeng -- Hou, Yong -- Wu, Zhengli -- Li, Guanrong -- Pan, Minhui -- Li, Chunfeng -- Shen, Yihong -- Lan, Xiqian -- Yuan, Lianwei -- Li, Tian -- Xu, Hanfu -- Yang, Guangwei -- Wan, Yongji -- Zhu, Yong -- Yu, Maode -- Shen, Weide -- Wu, Dayang -- Xiang, Zhonghuai -- Yu, Jun -- Wang, Jun -- Li, Ruiqiang -- Shi, Jianping -- Li, Heng -- Li, Guangyuan -- Su, Jianning -- Wang, Xiaoling -- Li, Guoqing -- Zhang, Zengjin -- Wu, Qingfa -- Li, Jun -- Zhang, Qingpeng -- Wei, Ning -- Xu, Jianzhe -- Sun, Haibo -- Dong, Le -- Liu, Dongyuan -- Zhao, Shengli -- Zhao, Xiaolan -- Meng, Qingshun -- Lan, Fengdi -- Huang, Xiangang -- Li, Yuanzhe -- Fang, Lin -- Li, Changfeng -- Li, Dawei -- Sun, Yongqiao -- Zhang, Zhenpeng -- Yang, Zheng -- Huang, Yanqing -- Xi, Yan -- Qi, Qiuhui -- He, Dandan -- Huang, Haiyan -- Zhang, Xiaowei -- Wang, Zhiqiang -- Li, Wenjie -- Cao, Yuzhu -- Yu, Yingpu -- Yu, Hong -- Li, Jinhong -- Ye, Jiehua -- Chen, Huan -- Zhou, Yan -- Liu, Bin -- Wang, Jing -- Ye, Jia -- Ji, Hai -- Li, Shengting -- Ni, Peixiang -- Zhang, Jianguo -- Zhang, Yong -- Zheng, Hongkun -- Mao, Bingyu -- Wang, Wen -- Ye, Chen -- Li, Songgang -- Wang, Jian -- Wong, Gane Ka-Shu -- Yang, Huanming -- Biology Analysis Group -- 1 P50 HG02351/HG/NHGRI NIH HHS/ -- New York, N.Y. -- Science. 2004 Dec 10;306(5703):1937-40.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Southwest Agricultural University, Chongqing Beibei, 400716, China. xiaqy@swau.cq.cn〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15591204" target="_blank"〉PubMed〈/a〉
    Keywords: Algorithms ; Animals ; Anopheles/genetics ; Body Patterning/genetics ; Bombyx/*genetics/growth & development/metabolism ; Butterflies/genetics ; Computational Biology ; DNA Transposable Elements ; Drosophila melanogaster/genetics ; Exocrine Glands/metabolism ; Expressed Sequence Tags ; Female ; Genes, Homeobox ; *Genes, Insect ; *Genome ; Immunity, Innate/genetics ; Insect Hormones/genetics ; Insect Proteins/genetics ; Male ; Molecular Sequence Data ; *Sequence Analysis, DNA ; Sequence Homology, Nucleic Acid ; Sex Determination Processes ; Spiders/genetics ; Wings, Animal/growth & development
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 2
    Publication Date: 2004-02-14
    Description: Somatic cell nuclear transfer (SCNT) technology has recently been used to generate animals with a common genetic composition. In this study, we report the derivation of a pluripotent embryonic stem (ES) cell line (SCNT-hES-1) from a cloned human blastocyst. The SCNT-hES-1 cells displayed typical ES cell morphology and cell surface markers and were capable of differentiating into embryoid bodies in vitro and of forming teratomas in vivo containing cell derivatives from all three embryonic germ layers in severe combined immunodeficient mice. After continuous proliferation for more than 70 passages, SCNT-hES-1 cells maintained normal karyotypes and were genetically identical to the somatic nuclear donor cells. Although we cannot completely exclude the possibility that the cells had a parthenogenetic origin, imprinting analyses support a SCNT origin of the derived human ES cells.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hwang, Woo Suk -- Ryu, Young June -- Park, Jong Hyuk -- Park, Eul Soon -- Lee, Eu Gene -- Koo, Ja Min -- Jeon, Hyun Yong -- Lee, Byeong Chun -- Kang, Sung Keun -- Kim, Sun Jong -- Ahn, Curie -- Hwang, Jung Hye -- Park, Ky Young -- Cibelli, Jose B -- Moon, Shin Yong -- New York, N.Y. -- Science. 2004 Mar 12;303(5664):1669-74. Epub 2004 Feb 12.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉College of Veterinary Medicine, Seoul National University, Seoul 151-742, Korea. hwangws@snu.ac.kr〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/14963337" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biomarkers/analysis ; Blastocyst/*cytology ; Cell Differentiation ; *Cell Line ; *Cloning, Organism ; Culture Media ; Culture Techniques ; DNA Fingerprinting ; Embryo, Mammalian/*cytology ; Female ; Genomic Imprinting ; Humans ; Karyotyping ; Male ; Mice ; Mice, SCID ; Nuclear Transfer Techniques ; Oocyte Donation ; Ovarian Follicle/cytology ; Parthenogenesis ; Pluripotent Stem Cells/chemistry/*cytology ; Reverse Transcriptase Polymerase Chain Reaction ; Tandem Repeat Sequences ; Teratoma/etiology/pathology ; Testicular Neoplasms/etiology/pathology
    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: 2004-10-02
    Description: Nodal proteins, members of the transforming growth factor-beta (TGFbeta) superfamily, have been identified as key endogenous mesoderm inducers in vertebrates. Precise control of Nodal signaling is essential for normal development of embryos. Here, we report that zebrafish dapper2 (dpr2) is expressed in mesoderm precursors during early embryogenesis and is positively regulated by Nodal signals. In vivo functional studies in zebrafish suggest that Dpr2 suppresses mesoderm induction activities of Nodal signaling. Dpr2 is localized in late endosomes, binds to the TGFbeta receptors ALK5 and ALK4, and accelerates lysosomal degradation of these receptors.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zhang, Lixia -- Zhou, Hu -- Su, Ying -- Sun, Zhihui -- Zhang, Haiwen -- Zhang, Long -- Zhang, Yu -- Ning, Yuanheng -- Chen, Ye-Guang -- Meng, Anming -- New York, N.Y. -- Science. 2004 Oct 1;306(5693):114-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Developmental Biology, Ministry of Education (MOE), Department of Biological Sciences and Biotechnology, Tsinghua University, Beijing 100084, China.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15459392" target="_blank"〉PubMed〈/a〉
    Keywords: Activin Receptors, Type I/*metabolism ; Amino Acid Sequence ; Animals ; Cell Line ; Embryo, Nonmammalian/embryology/*metabolism ; *Embryonic Induction ; Endosomes/metabolism ; Fluorescent Antibody Technique ; Gene Expression Profiling ; Gene Expression Regulation, Developmental ; Humans ; In Situ Hybridization ; Intracellular Signaling Peptides and Proteins ; Lysosomes/metabolism ; Mesoderm/*physiology ; Molecular Sequence Data ; Mutation ; Nodal Signaling Ligands ; Oligonucleotides, Antisense ; Protein-Serine-Threonine Kinases ; Proteins/metabolism ; Receptors, Transforming Growth Factor beta/*metabolism ; Signal Transduction ; Transforming Growth Factor beta/genetics/metabolism ; Zebrafish/*embryology/genetics/metabolism ; Zebrafish Proteins/chemistry/genetics/*metabolism
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 4
    Publication Date: 2004-02-07
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zimdahl, Heike -- Nyakatura, Gerald -- Brandt, Petra -- Schulz, Herbert -- Hummel, Oliver -- Fartmann, Berthold -- Brett, David -- Droege, Marcus -- Monti, Jan -- Lee, Young-Ae -- Sun, Yinyan -- Zhao, Shaying -- Winter, Eitan E -- Ponting, Chris P -- Chen, Yuan -- Kasprzyk, Arek -- Birney, Ewan -- Ganten, Detlev -- Hubner, Norbert -- New York, N.Y. -- Science. 2004 Feb 6;303(5659):807.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Max-Delbruck-Center for Molecular Medicine (MDC), Robert-Rossle-Str. 10, 13092 Berlin-Buch, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/14764869" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Chromosome Mapping ; Computational Biology ; DNA, Complementary ; Databases, Nucleic Acid ; Gene Library ; *Genome ; Haplotypes ; Mutation ; *Polymorphism, Single Nucleotide ; Proteins/chemistry/genetics ; Rats/*genetics ; Rats, Inbred SHR/genetics ; Rats, Inbred WKY/genetics ; Rats, Sprague-Dawley/genetics ; Sequence Alignment ; Transcription, Genetic
    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: 2004
    Keywords: CC 1/1 ; Coordinating Committee ; Himalayas
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  • 6
    Publication Date: 2004
    Keywords: CC 1/1 ; Coordinating Committee ; Himalayas
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  • 7
    Publication Date: 2004
    Keywords: CC 1/1 ; Coordinating Committee ; Himalayas
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  • 8
    Publication Date: 2004-01-13
    Description: During genetic recombination and the recombinational repair of chromosome breaks, DNA molecules become linked at points of strand exchange. Branch migration and resolution of these crossovers, or Holliday junctions (HJs), complete the recombination process. Here, we show that extracts from cells carrying mutations in the recombination/repair genes RAD51C or XRCC3 have reduced levels of HJ resolvase activity. Moreover, depletion of RAD51C from fractionated human extracts caused a loss of branch migration and resolution activity, but these functions were restored by complementation with a variety of RAD51 paralog complexes containing RAD51C. We conclude that the RAD51 paralogs are involved in HJ processing in human cells.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Liu, Yilun -- Masson, Jean-Yves -- Shah, Rajvee -- O'Regan, Paul -- West, Stephen C -- New York, N.Y. -- Science. 2004 Jan 9;303(5655):243-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Cancer Research UK, London Research Institute, Clare Hall Laboratories, South Mimms, Hertfordshire EN6 3LD, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/14716019" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Substitution ; Animals ; CHO Cells ; Cell Line ; Cricetinae ; DNA Repair ; DNA, Cruciform/chemistry/*metabolism ; DNA-Binding Proteins/chemistry/genetics/isolation & purification/*metabolism ; Electrophoresis, Polyacrylamide Gel ; Female ; HeLa Cells ; Holliday Junction Resolvases/*metabolism ; Humans ; Mutation ; Protein Structure, Tertiary ; Recombinant Proteins/metabolism ; Recombination, Genetic
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 9
    Publication Date: 2004-09-28
    Description: The correct timing of flowering is essential for plants to maximize reproductive success and is controlled by environmental and endogenous signals. We report that nitric oxide (NO) repressed the floral transition in Arabidopsis thaliana. Plants treated with NO, as well as a mutant overproducing NO (nox1), flowered late, whereas a mutant producing less NO (nos1) flowered early. NO suppressed CONSTANS and GIGANTEA gene expression and enhanced FLOWERING LOCUS C expression, which indicated that NO regulates the photoperiod and autonomous pathways. Because NO is induced by environmental stimuli and constitutively produced, it may integrate both external and internal cues into the floral decision.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉He, Yikun -- Tang, Ru-Hang -- Hao, Yi -- Stevens, Robert D -- Cook, Charles W -- Ahn, Sun M -- Jing, Liufang -- Yang, Zhongguang -- Chen, Longen -- Guo, Fangqing -- Fiorani, Fabio -- Jackson, Robert B -- Crawford, Nigel M -- Pei, Zhen-Ming -- New York, N.Y. -- Science. 2004 Sep 24;305(5692):1968-71.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology, Duke University, Durham, NC 27708, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15448272" target="_blank"〉PubMed〈/a〉
    Keywords: Arabidopsis/drug effects/genetics/*physiology ; Arabidopsis Proteins/genetics/physiology ; Carrier Proteins/genetics/physiology ; Flowers/growth & development/*physiology ; Membrane Proteins/genetics/physiology ; Mutation ; Nitric Oxide/genetics/*physiology ; Nitroprusside/pharmacology ; Photoperiod ; *Saccharomyces cerevisiae Proteins
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 10
    Publication Date: 2004-05-08
    Description: Self-regulating systems often use robust oscillatory circuits. One such system controls the chemotactic signaling mechanism of Dictyostelium, where pulses of adenosine 3',5'-monophosphate (cAMP) are generated with a periodicity of 7 minutes. We have observed spontaneous oscillations in activation of the mitogen-activated protein (MAP) kinase ERK2 that occur in phase with peaks of cAMP, and we show that ERK2 modulates cAMP levels through the phosphodiesterase RegA. Computer modeling and simulations of the underlying circuit faithfully account for the ability of the cells to spontaneously generate periodic pulses during specific stages of development. Similar oscillatory processes may occur in cells of many different species.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Maeda, Mineko -- Lu, Sijie -- Shaulsky, Gad -- Miyazaki, Yuji -- Kuwayama, Hidekazu -- Tanaka, Yoshimasa -- Kuspa, Adam -- Loomis, William F -- GM52359/GM/NIGMS NIH HHS/ -- GM62350/GM/NIGMS NIH HHS/ -- R01 GM052359/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2004 May 7;304(5672):875-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology, Graduate School of Science, Osaka University, Machikaneyama-cho 1-16, Toyonaka, Osaka 560-0043, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15131307" target="_blank"〉PubMed〈/a〉
    Keywords: 3',5'-Cyclic-AMP Phosphodiesterases ; Adenylyl Cyclases/metabolism ; Animals ; Computer Simulation ; Cyclic AMP/*metabolism ; Cyclic AMP-Dependent Protein Kinases/genetics/*metabolism ; Dictyostelium/enzymology/genetics/growth & development/*metabolism ; Enzyme Activation ; Mitogen-Activated Protein Kinase 1/genetics/*metabolism ; Models, Biological ; Mutagenesis, Site-Directed ; Mutation ; Phosphorylation ; Protozoan Proteins/genetics/metabolism ; Receptors, Cyclic AMP/metabolism ; *Signal Transduction
    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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