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  • Articles  (159)
  • Mutation  (159)
  • American Association for the Advancement of Science (AAAS)  (159)
  • National Academy of Sciences
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  • 2005-2009  (79)
  • 2000-2004  (80)
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  • Articles  (159)
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  • 1
    Publication Date: 2007-04-14
    Description: The rhesus macaque (Macaca mulatta) is an abundant primate species that diverged from the ancestors of Homo sapiens about 25 million years ago. Because they are genetically and physiologically similar to humans, rhesus monkeys are the most widely used nonhuman primate in basic and applied biomedical research. We determined the genome sequence of an Indian-origin Macaca mulatta female and compared the data with chimpanzees and humans to reveal the structure of ancestral primate genomes and to identify evidence for positive selection and lineage-specific expansions and contractions of gene families. A comparison of sequences from individual animals was used to investigate their underlying genetic diversity. The complete description of the macaque genome blueprint enhances the utility of this animal model for biomedical research and improves our understanding of the basic biology of the species.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rhesus Macaque Genome Sequencing and Analysis Consortium -- Gibbs, Richard A -- Rogers, Jeffrey -- Katze, Michael G -- Bumgarner, Roger -- Weinstock, George M -- Mardis, Elaine R -- Remington, Karin A -- Strausberg, Robert L -- Venter, J Craig -- Wilson, Richard K -- Batzer, Mark A -- Bustamante, Carlos D -- Eichler, Evan E -- Hahn, Matthew W -- Hardison, Ross C -- Makova, Kateryna D -- Miller, Webb -- Milosavljevic, Aleksandar -- Palermo, Robert E -- Siepel, Adam -- Sikela, James M -- Attaway, Tony -- Bell, Stephanie -- Bernard, Kelly E -- Buhay, Christian J -- Chandrabose, Mimi N -- Dao, Marvin -- Davis, Clay -- Delehaunty, Kimberly D -- Ding, Yan -- Dinh, Huyen H -- Dugan-Rocha, Shannon -- Fulton, Lucinda A -- Gabisi, Ramatu Ayiesha -- Garner, Toni T -- Godfrey, Jennifer -- Hawes, Alicia C -- Hernandez, Judith -- Hines, Sandra -- Holder, Michael -- Hume, Jennifer -- Jhangiani, Shalini N -- Joshi, Vandita -- Khan, Ziad Mohid -- Kirkness, Ewen F -- Cree, Andrew -- Fowler, R Gerald -- Lee, Sandra -- Lewis, Lora R -- Li, Zhangwan -- Liu, Yih-Shin -- Moore, Stephanie M -- Muzny, Donna -- Nazareth, Lynne V -- Ngo, Dinh Ngoc -- Okwuonu, Geoffrey O -- Pai, Grace -- Parker, David -- Paul, Heidie A -- Pfannkoch, Cynthia -- Pohl, Craig S -- Rogers, Yu-Hui -- Ruiz, San Juana -- Sabo, Aniko -- Santibanez, Jireh -- Schneider, Brian W -- Smith, Scott M -- Sodergren, Erica -- Svatek, Amanda F -- Utterback, Teresa R -- Vattathil, Selina -- Warren, Wesley -- White, Courtney Sherell -- Chinwalla, Asif T -- Feng, Yucheng -- Halpern, Aaron L -- Hillier, Ladeana W -- Huang, Xiaoqiu -- Minx, Pat -- Nelson, Joanne O -- Pepin, Kymberlie H -- Qin, Xiang -- Sutton, Granger G -- Venter, Eli -- Walenz, Brian P -- Wallis, John W -- Worley, Kim C -- Yang, Shiaw-Pyng -- Jones, Steven M -- Marra, Marco A -- Rocchi, Mariano -- Schein, Jacqueline E -- Baertsch, Robert -- Clarke, Laura -- Csuros, Miklos -- Glasscock, Jarret -- Harris, R Alan -- Havlak, Paul -- Jackson, Andrew R -- Jiang, Huaiyang -- Liu, Yue -- Messina, David N -- Shen, Yufeng -- Song, Henry Xing-Zhi -- Wylie, Todd -- Zhang, Lan -- Birney, Ewan -- Han, Kyudong -- Konkel, Miriam K -- Lee, Jungnam -- Smit, Arian F A -- Ullmer, Brygg -- Wang, Hui -- Xing, Jinchuan -- Burhans, Richard -- Cheng, Ze -- Karro, John E -- Ma, Jian -- Raney, Brian -- She, Xinwei -- Cox, Michael J -- Demuth, Jeffery P -- Dumas, Laura J -- Han, Sang-Gook -- Hopkins, Janet -- Karimpour-Fard, Anis -- Kim, Young H -- Pollack, Jonathan R -- Vinar, Tomas -- Addo-Quaye, Charles -- Degenhardt, Jeremiah -- Denby, Alexandra -- Hubisz, Melissa J -- Indap, Amit -- Kosiol, Carolin -- Lahn, Bruce T -- Lawson, Heather A -- Marklein, Alison -- Nielsen, Rasmus -- Vallender, Eric J -- Clark, Andrew G -- Ferguson, Betsy -- Hernandez, Ryan D -- Hirani, Kashif -- Kehrer-Sawatzki, Hildegard -- Kolb, Jessica -- Patil, Shobha -- Pu, Ling-Ling -- Ren, Yanru -- Smith, David Glenn -- Wheeler, David A -- Schenck, Ian -- Ball, Edward V -- Chen, Rui -- Cooper, David N -- Giardine, Belinda -- Hsu, Fan -- Kent, W James -- Lesk, Arthur -- Nelson, David L -- O'brien, William E -- Prufer, Kay -- Stenson, Peter D -- Wallace, James C -- Ke, Hui -- Liu, Xiao-Ming -- Wang, Peng -- Xiang, Andy Peng -- Yang, Fan -- Barber, Galt P -- Haussler, David -- Karolchik, Donna -- Kern, Andy D -- Kuhn, Robert M -- Smith, Kayla E -- Zwieg, Ann S -- 062023/Wellcome Trust/United Kingdom -- R01 HG002939/HG/NHGRI NIH HHS/ -- U54 HG003068/HG/NHGRI NIH HHS/ -- U54 HG003079/HG/NHGRI NIH HHS/ -- U54 HG003273/HG/NHGRI NIH HHS/ -- New York, N.Y. -- Science. 2007 Apr 13;316(5822):222-34.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Human Genome Sequencing Center, Baylor College of Medicine, Houston, TX 77030, USA. agibbs@bcm.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17431167" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biomedical Research ; *Evolution, Molecular ; Female ; Gene Duplication ; Gene Rearrangement ; Genetic Diseases, Inborn ; Genetic Variation ; *Genome ; Humans ; Macaca mulatta/*genetics ; Male ; Multigene Family ; Mutation ; Pan troglodytes/genetics ; Sequence Analysis, DNA ; Species Specificity
    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: 2003-01-11
    Description: Atrial fibrillation (AF) is a common cardiac arrhythmia whose molecular etiology is poorly understood. We studied a family with hereditary persistent AF and identified the causative mutation (S140G) in the KCNQ1 (KvLQT1) gene on chromosome 11p15.5. The KCNQ1 gene encodes the pore-forming alpha subunit of the cardiac I(Ks) channel (KCNQ1/KCNE1), the KCNQ1/KCNE2 and the KCNQ1/KCNE3 potassium channels. Functional analysis of the S140G mutant revealed a gain-of-function effect on the KCNQ1/KCNE1 and the KCNQ1/KCNE2 currents, which contrasts with the dominant negative or loss-of-function effects of the KCNQ1 mutations previously identified in patients with long QT syndrome. Thus, the S140G mutation is likely to initiate and maintain AF by reducing action potential duration and effective refractory period in atrial myocytes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chen, Yi-Han -- Xu, Shi-Jie -- Bendahhou, Said -- Wang, Xiao-Liang -- Wang, Ying -- Xu, Wen-Yuan -- Jin, Hong-Wei -- Sun, Hao -- Su, Xiao-Yan -- Zhuang, Qi-Nan -- Yang, Yi-Qing -- Li, Yue-Bin -- Liu, Yi -- Xu, Hong-Ju -- Li, Xiao-Fei -- Ma, Ning -- Mou, Chun-Ping -- Chen, Zhu -- Barhanin, Jacques -- Huang, Wei -- New York, N.Y. -- Science. 2003 Jan 10;299(5604):251-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Cardiology, Tongji Hospital, and Institute of Medical Genetics, Tongji University, 399 Xin Cun Road, Shanghai 200065, People's Republic of China. drchen@public7.sta.net.cn〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12522251" target="_blank"〉PubMed〈/a〉
    Keywords: Action Potentials ; Adolescent ; Adult ; Aged ; Animals ; Atrial Fibrillation/*genetics/physiopathology ; COS Cells ; Child ; China ; Chromosomes, Human, Pair 11/genetics ; Electrocardiography ; Female ; Haplotypes ; Heart Atria/physiopathology ; Heart Ventricles/physiopathology ; Humans ; KCNQ Potassium Channels ; KCNQ1 Potassium Channel ; Lod Score ; Long QT Syndrome/genetics/physiopathology ; Male ; Microsatellite Repeats ; Middle Aged ; Mutation ; *Mutation, Missense ; Myocytes, Cardiac/*physiology ; Patch-Clamp Techniques ; Pedigree ; Potassium Channels/*genetics/physiology ; *Potassium Channels, Voltage-Gated
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 3
    Publication Date: 2007-03-24
    Description: Analysis of cellular components at multiple levels of biological information can provide valuable functional insights. We performed multiple high-throughput measurements to study the response of Escherichia coli cells to genetic and environmental perturbations. Analysis of metabolic enzyme gene disruptants revealed unexpectedly small changes in messenger RNA and proteins for most disruptants. Overall, metabolite levels were also stable, reflecting the rerouting of fluxes in the metabolic network. In contrast, E. coli actively regulated enzyme levels to maintain a stable metabolic state in response to changes in growth rate. E. coli thus seems to use complementary strategies that result in a metabolic network robust against perturbations.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ishii, Nobuyoshi -- Nakahigashi, Kenji -- Baba, Tomoya -- Robert, Martin -- Soga, Tomoyoshi -- Kanai, Akio -- Hirasawa, Takashi -- Naba, Miki -- Hirai, Kenta -- Hoque, Aminul -- Ho, Pei Yee -- Kakazu, Yuji -- Sugawara, Kaori -- Igarashi, Saori -- Harada, Satoshi -- Masuda, Takeshi -- Sugiyama, Naoyuki -- Togashi, Takashi -- Hasegawa, Miki -- Takai, Yuki -- Yugi, Katsuyuki -- Arakawa, Kazuharu -- Iwata, Nayuta -- Toya, Yoshihiro -- Nakayama, Yoichi -- Nishioka, Takaaki -- Shimizu, Kazuyuki -- Mori, Hirotada -- Tomita, Masaru -- New York, N.Y. -- Science. 2007 Apr 27;316(5824):593-7. Epub 2007 Mar 22.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute for Advanced Biosciences, Keio University, Tsuruoka, Yamagata 997-0017, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17379776" target="_blank"〉PubMed〈/a〉
    Keywords: Chromatography, Liquid ; Computational Biology ; Electrophoresis, Capillary ; Electrophoresis, Gel, Two-Dimensional ; Enzyme Induction ; Enzyme Repression ; Enzymes/genetics/metabolism ; Escherichia coli/enzymology/*genetics/growth & development/*metabolism ; Escherichia coli Proteins/genetics/*metabolism ; Gene Expression ; *Genes, Bacterial ; Mass Spectrometry ; *Metabolic Networks and Pathways/genetics ; Mutation ; Oligonucleotide Array Sequence Analysis ; Proteome ; RNA, Messenger/genetics/metabolism ; Systems Biology/*methods ; Transcription, Genetic
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  • 4
    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
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 5
    Publication Date: 2007-08-25
    Description: The organization of chromatin affects all aspects of nuclear DNA metabolism in eukaryotes. H3.3 is an evolutionarily conserved histone variant and a key substrate for replication-independent chromatin assembly. Elimination of chromatin remodeling factor CHD1 in Drosophila embryos abolishes incorporation of H3.3 into the male pronucleus, renders the paternal genome unable to participate in zygotic mitoses, and leads to the development of haploid embryos. Furthermore, CHD1, but not ISWI, interacts with HIRA in cytoplasmic extracts. Our findings establish CHD1 as a major factor in replacement histone metabolism in the nucleus and reveal a critical role for CHD1 in the earliest developmental instances of genome-scale, replication-independent nucleosome assembly. Furthermore, our results point to the general requirement of adenosine triphosphate (ATP)-utilizing motor proteins for histone deposition in vivo.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3014568/" 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/PMC3014568/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Konev, Alexander Y -- Tribus, Martin -- Park, Sung Yeon -- Podhraski, Valerie -- Lim, Chin Yan -- Emelyanov, Alexander V -- Vershilova, Elena -- Pirrotta, Vincenzo -- Kadonaga, James T -- Lusser, Alexandra -- Fyodorov, Dmitry V -- GM58272/GM/NIGMS NIH HHS/ -- GM74233/GM/NIGMS NIH HHS/ -- R01 GM074233/GM/NIGMS NIH HHS/ -- Y 275/Austrian Science Fund FWF/Austria -- New York, N.Y. -- Science. 2007 Aug 24;317(5841):1087-90.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Cell Biology, Albert Einstein College of Medicine, 1300 Morris Park Avenue, Bronx, NY 10461, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17717186" target="_blank"〉PubMed〈/a〉
    Keywords: Adenosine Triphosphatases/metabolism ; Adenosine Triphosphate/metabolism ; Animals ; Cell Cycle Proteins/metabolism ; Chromatin/*metabolism ; *Chromatin Assembly and Disassembly ; DNA-Binding Proteins/genetics/*metabolism ; Drosophila/embryology/genetics/metabolism/*physiology ; Drosophila Proteins/genetics/*metabolism ; Embryo, Nonmammalian/physiology ; Embryonic Development ; Female ; Haploidy ; Histone Chaperones ; Histones/*metabolism ; Male ; Mutation ; Nucleosomes/metabolism ; Protamines/metabolism ; Spermatozoa/physiology ; Transcription Factors/genetics/*metabolism ; Transgenes
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  • 6
    Publication Date: 2008-12-17
    Description: Might DNA sequence variation reflect germline genetic activity and underlying chromatin structure? We investigated this question using medaka (Japanese killifish, Oryzias latipes), by comparing the genomic sequences of two strains (Hd-rR and HNI) and by mapping approximately 37.3 million nucleosome cores from Hd-rR blastulae and 11,654 representative transcription start sites from six embryonic stages. We observed a distinctive approximately 200-base pair (bp) periodic pattern of genetic variation downstream of transcription start sites; the rate of insertions and deletions longer than 1 bp peaked at positions of approximately +200, +400, and +600 bp, whereas the point mutation rate showed corresponding valleys. This approximately 200-bp periodicity was correlated with the chromatin structure, with nucleosome occupancy minimized at positions 0, +200, +400, and +600 bp. These data exemplify the potential for genetic activity (transcription) and chromatin structure to contribute to molding the DNA sequence on an evolutionary time scale.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2757552/" 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/PMC2757552/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sasaki, Shin -- Mello, Cecilia C -- Shimada, Atsuko -- Nakatani, Yoichiro -- Hashimoto, Shin-Ichi -- Ogawa, Masako -- Matsushima, Kouji -- Gu, Sam Guoping -- Kasahara, Masahiro -- Ahsan, Budrul -- Sasaki, Atsushi -- Saito, Taro -- Suzuki, Yutaka -- Sugano, Sumio -- Kohara, Yuji -- Takeda, Hiroyuki -- Fire, Andrew -- Morishita, Shinichi -- R01 GM037706/GM/NIGMS NIH HHS/ -- R01 GM037706-24/GM/NIGMS NIH HHS/ -- R01 GM37706/GM/NIGMS NIH HHS/ -- T32 CA009151/CA/NCI NIH HHS/ -- T32 CA09151/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 2009 Jan 16;323(5912):401-4. doi: 10.1126/science.1163183. Epub 2008 Dec 11.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Computational Biology, Graduate School of Frontier Sciences, University of Tokyo, Kashiwa, 277-0882, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19074313" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Composition ; Base Sequence ; Chromatin/*physiology/ultrastructure ; DNA/chemistry/*genetics ; DNA Repair ; *Genetic Variation ; Genome ; INDEL Mutation ; Mutagenesis ; Mutation ; Nucleosomes/*physiology/ultrastructure ; Oryzias/embryology/*genetics ; Point Mutation ; Promoter Regions, Genetic ; *Transcription Initiation Site ; Transcription, Genetic
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  • 7
    Publication Date: 2005-08-16
    Description: FLOWERING LOCUS T (FT) is a conserved promoter of flowering that acts downstream of various regulatory pathways, including one that mediates photoperiodic induction through CONSTANS (CO), and is expressed in the vasculature of cotyledons and leaves. A bZIP transcription factor, FD, preferentially expressed in the shoot apex is required for FT to promote flowering. FD and FT are interdependent partners through protein interaction and act at the shoot apex to promote floral transition and to initiate floral development through transcriptional activation of a floral meristem identity gene, APETALA1 (AP1). FT may represent a long-distance signal in flowering.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Abe, Mitsutomo -- Kobayashi, Yasushi -- Yamamoto, Sumiko -- Daimon, Yasufumi -- Yamaguchi, Ayako -- Ikeda, Yoko -- Ichinoki, Harutaka -- Notaguchi, Michitaka -- Goto, Koji -- Araki, Takashi -- New York, N.Y. -- Science. 2005 Aug 12;309(5737):1052-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Botany, Graduate School of Science, Kyoto University, Sakyo-ku, Kyoto 606-8502, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16099979" target="_blank"〉PubMed〈/a〉
    Keywords: Arabidopsis/genetics/*growth & development/*metabolism ; Arabidopsis Proteins/genetics/*metabolism ; Cell Nucleus/metabolism ; Cotyledon/metabolism ; Flowers/*growth & development ; Gene Expression ; Gene Expression Regulation, Plant ; Genes, Plant ; Homeodomain Proteins/genetics/metabolism ; MADS Domain Proteins ; Meristem/genetics/metabolism ; Morphogenesis ; Mutation ; Phenotype ; Plant Leaves/metabolism ; Plant Proteins/genetics/metabolism ; Plant Shoots/metabolism ; Protein Interaction Mapping ; Recombinant Fusion Proteins/metabolism ; *Signal Transduction ; Transcription Factors/genetics/*metabolism ; Transcriptional Activation
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  • 8
    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
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  • 9
    Publication Date: 2006-12-02
    Description: Women with mutations in the breast cancer susceptibility gene BRCA1 are predisposed to breast and ovarian cancers. Why the BRCA1 protein suppresses tumor development specifically in ovarian hormone-sensitive tissues remains unclear. We demonstrate that mammary glands of nulliparous Brca1/p53-deficient mice accumulate lateral branches and undergo extensive alveologenesis, a phenotype that occurs only during pregnancy in wild-type mice. Progesterone receptors, but not estrogen receptors, are overexpressed in the mutant mammary epithelial cells because of a defect in their degradation by the proteasome pathway. Treatment of Brca1/p53-deficient mice with the progesterone antagonist mifepristone (RU 486) prevented mammary tumorigenesis. These findings reveal a tissue-specific function for the BRCA1 protein and raise the possibility that antiprogesterone treatment may be useful for breast cancer prevention in individuals with BRCA1 mutations.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Poole, Aleksandra Jovanovic -- Li, Ying -- Kim, Yoon -- Lin, Suh-Chin J -- Lee, Wen-Hwa -- Lee, Eva Y-H P -- CA049649/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 2006 Dec 1;314(5804):1467-70.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biological Chemistry, University of California, Irvine, CA 92697-4037, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17138902" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Breast Neoplasms/genetics/metabolism ; Cell Line, Tumor ; Cell Proliferation ; Epithelial Cells/cytology/metabolism ; Estradiol/pharmacology ; Estrous Cycle ; Female ; *Genes, BRCA1 ; Genes, p53 ; Hormone Antagonists/*pharmacology/therapeutic use ; Humans ; Mammary Glands, Animal/cytology/metabolism ; Mammary Neoplasms, Animal/genetics/*prevention & control ; Mice ; Mifepristone/*pharmacology/therapeutic use ; Mutation ; Phosphorylation ; Progesterone/*antagonists & inhibitors/pharmacology ; Proteasome Endopeptidase Complex/metabolism ; RNA, Small Interfering ; Receptors, Estrogen/metabolism ; Receptors, Progesterone/genetics/*metabolism ; Ubiquitin/metabolism
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  • 10
    Publication Date: 2006-06-24
    Description: The formation of the neuromuscular synapse requires muscle-specific receptor kinase (MuSK) to orchestrate postsynaptic differentiation, including the clustering of receptors for the neurotransmitter acetylcholine. Upon innervation, neural agrin activates MuSK to establish the postsynaptic apparatus, although agrin-independent formation of neuromuscular synapses can also occur experimentally in the absence of neurotransmission. Dok-7, a MuSK-interacting cytoplasmic protein, is essential for MuSK activation in cultured myotubes; in particular, the Dok-7 phosphotyrosine-binding domain and its target in MuSK are indispensable. Mice lacking Dok-7 formed neither acetylcholine receptor clusters nor neuromuscular synapses. Thus, Dok-7 is essential for neuromuscular synaptogenesis through its interaction with MuSK.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Okada, Kumiko -- Inoue, Akane -- Okada, Momoko -- Murata, Yoji -- Kakuta, Shigeru -- Jigami, Takafumi -- Kubo, Sachiko -- Shiraishi, Hirokazu -- Eguchi, Katsumi -- Motomura, Masakatsu -- Akiyama, Tetsu -- Iwakura, Yoichiro -- Higuchi, Osamu -- Yamanashi, Yuji -- New York, N.Y. -- Science. 2006 Jun 23;312(5781):1802-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Cell Regulation, Medical Research Institute, Tokyo Medical and Dental University, Tokyo 113-8510, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16794080" target="_blank"〉PubMed〈/a〉
    Keywords: Agrin/metabolism ; Amino Acid Motifs ; Amino Acid Sequence ; Animals ; Cell Differentiation ; Cell Line ; Down-Regulation ; Enzyme Activation ; Humans ; In Situ Hybridization ; Mice ; Molecular Sequence Data ; Motor Endplate/embryology/metabolism ; Muscle Denervation ; Muscle Fibers, Skeletal/cytology/metabolism ; Muscle Proteins/chemistry/genetics/*metabolism ; Muscle, Skeletal/embryology/*innervation/metabolism ; Mutation ; Neuromuscular Junction/*physiology ; Phosphorylation ; Protein Binding ; Protein Structure, Tertiary ; Receptor Aggregation ; Receptor Protein-Tyrosine Kinases/genetics/*metabolism ; Receptors, Cholinergic/genetics/*metabolism ; Synapses/*physiology ; Synaptic Transmission
    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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