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  • 2000-2004  (373)
  • 1985-1989  (39)
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  • 1
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    Interference by huntingtin and atrophin-1 with cbp-mediated transcription leading to cellular toxicity (2001)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2001-03-27
    Description: Expanded polyglutamine repeats have been proposed to cause neuronal degeneration in Huntington's disease (HD) and related disorders, through abnormal interactions with other proteins containing short polyglutamine tracts such as the transcriptional coactivator CREB binding protein, CBP. We found that CBP was depleted from its normal nuclear location and was present in polyglutamine aggregates in HD cell culture models, HD transgenic mice, and human HD postmortem brain. Expanded polyglutamine repeats specifically interfere with CBP-activated gene transcription, and overexpression of CBP rescued polyglutamine-induced neuronal toxicity. Thus, polyglutamine-mediated interference with CBP-regulated gene transcription may constitute a genetic gain of function, underlying the pathogenesis of polyglutamine disorders.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Nucifora , F C Jr -- Sasaki, M -- Peters, M F -- Huang, H -- Cooper, J K -- Yamada, M -- Takahashi, H -- Tsuji, S -- Troncoso, J -- Dawson, V L -- Dawson, T M -- Ross, C A -- NS16375/NS/NINDS NIH HHS/ -- NS34172/NS/NINDS NIH HHS/ -- NS37090/NS/NINDS NIH HHS/ -- NS38144/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 2001 Mar 23;291(5512):2423-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Neurobiology, Department of Psychiatry, The Johns Hopkins University School of Medicine, Baltimore, MD 21205-2196, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11264541" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Brain/metabolism ; CREB-Binding Protein ; Cell Nucleus/metabolism ; Cell Survival ; Cells, Cultured ; Humans ; Huntington Disease/genetics/*metabolism ; Mice ; Mice, Transgenic ; Mutation ; Nerve Tissue Proteins/chemistry/genetics/*metabolism ; Neurons/cytology/*metabolism ; Nuclear Proteins/chemistry/genetics/*metabolism ; Peptides/chemistry/*metabolism ; Repetitive Sequences, Amino Acid ; Trans-Activators/chemistry/*metabolism ; *Transcription, Genetic ; Transfection ; Tumor Cells, Cultured
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 2
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    Room-temperature ultraviolet nanowire nanolasers (2001)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2001-06-09
    Description: Room-temperature ultraviolet lasing in semiconductor nanowire arrays has been demonstrated. The self-organized, 〈0001〉 oriented zinc oxide nanowires grown on sapphire substrates were synthesized with a simple vapor transport and condensation process. These wide band-gap semiconductor nanowires form natural laser cavities with diameters varying from 20 to 150 nanometers and lengths up to 10 micrometers. Under optical excitation, surface-emitting lasing action was observed at 385 nanometers, with an emission linewidth less than 0.3 nanometer. The chemical flexibility and the one-dimensionality of the nanowires make them ideal miniaturized laser light sources. These short-wavelength nanolasers could have myriad applications, including optical computing, information storage, and microanalysis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Huang, M H -- Mao, S -- Feick, H -- Yan, H -- Wu, Y -- Kind, H -- Weber, E -- Russo, R -- Yang, P -- New York, N.Y. -- Science. 2001 Jun 8;292(5523):1897-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Chemistry, University of California, Environmental Energy Technology Division, Materials Science Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11397941" target="_blank"〉PubMed〈/a〉
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 3
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    BLM heterozygosity and the risk of colorectal cancer (2002)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2002-09-21
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gruber, Stephen B -- Ellis, Nathan A -- Scott, Karen K -- Almog, Ronit -- Kolachana, Prema -- Bonner, Joseph D -- Kirchhoff, Tomas -- Tomsho, Lynn P -- Nafa, Khedoudja -- Pierce, Heather -- Low, Marcelo -- Satagopan, Jaya -- Rennert, Hedy -- Huang, Helen -- Greenson, Joel K -- Groden, Joanna -- Rapaport, Beth -- Shia, Jinru -- Johnson, Stephen -- Gregersen, Peter K -- Harris, Curtis C -- Boyd, Jeff -- Rennert, Gad -- Offit, Kenneth -- R01CA81488/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 2002 Sep 20;297(5589):2013.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Departments of Internal Medicine and Epidemiology, University of Michigan, Ann Arbor, MI 48109, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12242432" target="_blank"〉PubMed〈/a〉
    Keywords: Adenosine Triphosphatases/*genetics ; Alleles ; Animals ; Bloom Syndrome/genetics ; Case-Control Studies ; Colorectal Neoplasms/*genetics ; DNA Helicases/*genetics ; Female ; Genes, APC ; *Genetic Predisposition to Disease ; *Heterozygote ; Humans ; Israel ; Jews/genetics ; Male ; Mice ; Mutation ; New York ; RecQ Helicases ; Risk Factors
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 4
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    Conserving native plants in China (2002)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2002-08-13
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Huang, H -- Han, X -- Kang, L -- Raven, P -- Jackson, P W -- Chen, Y -- New York, N.Y. -- Science. 2002 Aug 9;297(5583):935-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12171086" target="_blank"〉PubMed〈/a〉
    Keywords: China ; *Conservation of Natural Resources ; *Ecosystem ; *Plants
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 5
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    A draft sequence for the genome of the domesticated silkworm (Bombyx mori) (2004)
    American Association for the Advancement of Science (AAAS)
    Details
    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
    Published by American Association for the Advancement of Science (AAAS)
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  • 6
    Electronic Resource
    Electronic Resource
    Iodide reduction of sulfilimines. 3. Evidence of a minor role for catalysis by hydrogen bonding in the decomposition of sulfurane intermediates (1987)
    s.l. : American Chemical Society
    Journal of the American Chemical Society 109 (1987), S. 1810-1813 
    Details
    ISSN: 1520-5126
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ja00240a035
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  • 7
    Electronic Resource
    Electronic Resource
    Iodide reduction of sulfilimines. Evidence for concurrent stepwise and concerted mechanisms for the decomposition of sulfurane intermediates (1987)
    s.l. : American Chemical Society
    Journal of the American Chemical Society 109 (1987), S. 1805-1809 
    Details
    ISSN: 1520-5126
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ja00240a034
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  • 8
    Electronic Resource
    Electronic Resource
    Measuring e-commerce efficiency: a data envelopment analysis (DEA) approach (2003)
    Bingley : Emerald
    Industrial management & data systems 103 (2003), S. 703-710 
    Details
    ISSN: 0263-5577
    Source: Emerald Fulltext Archive Database 1994-2005
    Topics: Computer Science , Economics
    Notes: As a result of the dot-com collapse and the slowdown in the economy, the flood of venture capital dollars for e-commerce has evaporated. E-commerce companies have been enforced to review their business performance. E-commerce efficiency has been touted to be a critical component that can assist a company in its strategies to become successful. This study proposes a model for evaluating e-commerce efficiency using data envelopment analysis (DEA) approach. The model includes not only financial and operational measures, but also e-commerce specific measures. An illustrative example demonstrates that the DEA model can not only effectively reflect the relative efficiency of e-commerce firms but also identify their potential efficiency problems. Management can, therefore, take the right remedial actions.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1108/02635570310506124
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  • 9
    Electronic Resource
    Electronic Resource
    Effects of planting Eulaliopsis binata on soil quality in the red soil region of southern China (2004)
    Oxford, UK : Blackwell Publishing Ltd
    Soil use and management 20 (2004), S. 0 
    Details
    ISSN: 1475-2743
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract. Eulaliopsis binata is a perennial fibre-producing plant, which has a growing market in southern China and also has favourable effects on soil and water conservation. In the present study, three land use treatments, Eulaliopsis binata (EB), undisturbed natural grassland (NG) and orange grove (OG) were compared with respect to their effects upon a red soil after 20 years. Of these treatments, EB had the most favourable effects on soil physicochemical and biological properties and on soil microclimate. These properties were combined in a relative soil quality index (RSQI), which gave values in the order EB 〉 OG 〉 NG. Soil microbial numbers and enzyme activities were shown to be sensitive indicators of overall changes in soil properties.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1475-2743.2004.tb00350.x
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  • 10
    Electronic Resource
    Electronic Resource
    Growth kinetics of SiO2 on (001) Si catalyzed by Cu3Si at elevated temperatures (2000)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 88 (2000), S. 1412-1417 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: The oxidation of Si catalyzed by 170-nm-thick Cu3Si at elevated temperatures has been investigated by transmission electron microscopy, glancing angle x-ray diffraction, and Auger electron spectroscopy. For wet oxidation at 140–180 °C, the thickness of the oxide was found to increase parabolically with time with an activation energy of 0.4±0.2 eV. The activation energy is close to that of diffusivity of Cu in Si. At 180–200 °C, the growth rate became slower with increasing temperature. The growth of oxide tended to be discontinuous at the surface as the oxidation temperature was increased to a temperature at or higher than 300 °C. The anomalously fast growth of oxide at low temperatures is attributed to the presence of filamentary structures of Cu clusters in the oxide to expedite the diffusion of the oxidants through oxide. At 200–250 °C, more Cu atoms diffuse to the Cu3Si/Si interface and less Cu atoms stay in the oxide, which slows down the oxide growth. The lack of filamentary structures of Cu as diffusion paths retards the growth of SiO2. At 300 °C or higher temperatures, the lack of filamentary structures of Cu clusters stopped the growth of continuous oxide layer altogether. © 2000 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.373832
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