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  • Articles  (14)
  • Molecular Sequence Data  (14)
  • 2000-2004  (14)
  • 2004  (14)
  • Medicine  (14)
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  • Articles  (14)
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  • 2000-2004  (14)
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  • 11
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    Global mapping of the yeast genetic interaction network (2004)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2004-02-07
    Description: A genetic interaction network containing approximately 1000 genes and approximately 4000 interactions was mapped by crossing mutations in 132 different query genes into a set of approximately 4700 viable gene yeast deletion mutants and scoring the double mutant progeny for fitness defects. Network connectivity was predictive of function because interactions often occurred among functionally related genes, and similar patterns of interactions tended to identify components of the same pathway. The genetic network exhibited dense local neighborhoods; therefore, the position of a gene on a partially mapped network is predictive of other genetic interactions. Because digenic interactions are common in yeast, similar networks may underlie the complex genetics associated with inherited phenotypes in other organisms.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tong, Amy Hin Yan -- Lesage, Guillaume -- Bader, Gary D -- Ding, Huiming -- Xu, Hong -- Xin, Xiaofeng -- Young, James -- Berriz, Gabriel F -- Brost, Renee L -- Chang, Michael -- Chen, YiQun -- Cheng, Xin -- Chua, Gordon -- Friesen, Helena -- Goldberg, Debra S -- Haynes, Jennifer -- Humphries, Christine -- He, Grace -- Hussein, Shamiza -- Ke, Lizhu -- Krogan, Nevan -- Li, Zhijian -- Levinson, Joshua N -- Lu, Hong -- Menard, Patrice -- Munyana, Christella -- Parsons, Ainslie B -- Ryan, Owen -- Tonikian, Raffi -- Roberts, Tania -- Sdicu, Anne-Marie -- Shapiro, Jesse -- Sheikh, Bilal -- Suter, Bernhard -- Wong, Sharyl L -- Zhang, Lan V -- Zhu, Hongwei -- Burd, Christopher G -- Munro, Sean -- Sander, Chris -- Rine, Jasper -- Greenblatt, Jack -- Peter, Matthias -- Bretscher, Anthony -- Bell, Graham -- Roth, Frederick P -- Brown, Grant W -- Andrews, Brenda -- Bussey, Howard -- Boone, Charles -- GM39066/GM/NIGMS NIH HHS/ -- GM61221/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2004 Feb 6;303(5659):808-13.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Banting and Best Department of Medical Research, University of Toronto, Toronto, ON, Canada M5G 1L6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/14764870" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Computational Biology ; Cystic Fibrosis/genetics ; Gene Deletion ; Genes, Essential ; *Genes, Fungal ; Genetic Diseases, Inborn/genetics ; Genotype ; Humans ; Molecular Sequence Data ; Multifactorial Inheritance ; Mutation ; Phenotype ; Polymorphism, Genetic ; Retinitis Pigmentosa/genetics ; Saccharomyces cerevisiae/*genetics/*metabolism ; Saccharomyces cerevisiae 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
    Published by American Association for the Advancement of Science (AAAS)
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  • 12
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    EGFR mutations in lung cancer: correlation with clinical response to gefitinib therapy (2004)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2004-05-01
    Description: Receptor tyrosine kinase genes were sequenced in non-small cell lung cancer (NSCLC) and matched normal tissue. Somatic mutations of the epidermal growth factor receptor gene EGFR were found in 15of 58 unselected tumors from Japan and 1 of 61 from the United States. Treatment with the EGFR kinase inhibitor gefitinib (Iressa) causes tumor regression in some patients with NSCLC, more frequently in Japan. EGFR mutations were found in additional lung cancer samples from U.S. patients who responded to gefitinib therapy and in a lung adenocarcinoma cell line that was hypersensitive to growth inhibition by gefitinib, but not in gefitinib-insensitive tumors or cell lines. These results suggest that EGFR mutations may predict sensitivity to gefitinib.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Paez, J Guillermo -- Janne, Pasi A -- Lee, Jeffrey C -- Tracy, Sean -- Greulich, Heidi -- Gabriel, Stacey -- Herman, Paula -- Kaye, Frederic J -- Lindeman, Neal -- Boggon, Titus J -- Naoki, Katsuhiko -- Sasaki, Hidefumi -- Fujii, Yoshitaka -- Eck, Michael J -- Sellers, William R -- Johnson, Bruce E -- Meyerson, Matthew -- New York, N.Y. -- Science. 2004 Jun 4;304(5676):1497-500. Epub 2004 Apr 29.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Departments of Medical Oncology and Cancer Biology, Dana-Farber Cancer Institute, Boston, MA 02115, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15118125" target="_blank"〉PubMed〈/a〉
    Keywords: Adenocarcinoma/drug therapy/genetics/metabolism ; Amino Acid Motifs ; Amino Acid Sequence ; Amino Acid Substitution ; Antineoplastic Agents/pharmacology/therapeutic use ; Carcinoma, Non-Small-Cell Lung/drug therapy/*genetics/metabolism ; Cell Line, Tumor ; Controlled Clinical Trials as Topic ; Enzyme Inhibitors/pharmacology/therapeutic use ; Female ; *Genes, erbB-1 ; Humans ; Japan ; Lung Neoplasms/drug therapy/*genetics/metabolism ; Male ; Molecular Sequence Data ; *Mutation ; Mutation, Missense ; Phosphorylation ; Protein Conformation ; Protein Structure, Tertiary ; Quinazolines/pharmacology/*therapeutic use ; Receptor, Epidermal Growth Factor/*antagonists & ; inhibitors/chemistry/genetics/metabolism ; Sequence Deletion ; Treatment Outcome ; United States
    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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  • 13
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    A centrosomal localization signal in cyclin E required for Cdk2-independent S phase entry (2004)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2004-10-30
    Description: Excess cyclin E-Cdk2 accelerates entry into S phase of the cell cycle and promotes polyploidy, which may contribute to genomic instability in cancer cells. We identified 20 amino acids in cyclin E as a centrosomal localization signal (CLS) essential for both centrosomal targeting and promoting DNA synthesis. Expressed wild-type, but not mutant, CLS peptides localized on the centrosome, prevented endogenous cyclin E and cyclin A from localizing to the centrosome, and inhibited DNA synthesis. Ectopic cyclin E localized to the centrosome and accelerated S phase entry even with mutations that abolish Cdk2 binding, but not with a mutation in the CLS. These results suggest that cyclin E has a modular centrosomal-targeting domain essential for promoting S phase entry in a Cdk2-independent manner.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Matsumoto, Yutaka -- Maller, James L -- New York, N.Y. -- Science. 2004 Oct 29;306(5697):885-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute (HHMI) and Department of Pharmacology, University of Colorado School of Medicine, Denver, CO 80262, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15514162" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; CDC2-CDC28 Kinases/metabolism ; CHO Cells ; Centrosome/*metabolism ; Cricetinae ; Cyclin E/chemistry/*metabolism ; Cyclin-Dependent Kinase 2 ; Molecular Sequence Data ; Mutation ; Protein Binding ; Protein Kinases/metabolism ; *Protein Sorting Signals ; Rats ; *S Phase ; Transfection
    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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  • 14
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    Zooming in on a quantitative trait for tomato yield using interspecific introgressions (2004)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2004-09-18
    Description: To explore natural biodiversity we developed and examined introgression lines (ILs) containing chromosome segments of wild species (Solanum pennellii) in the background of the cultivated tomato (S. lycopersicum). We identified Brix9-2-5, which is a S. pennellii quantitative trait locus (QTL) that increases sugar yield of tomatoes and was mapped within a flower- and fruit-specific invertase (LIN5). QTL analysis representing five different tomato species delimited the functional polymorphism of Brix9-2-5 to an amino acid near the catalytic site of the invertase crystal, affecting enzyme kinetics and fruit sink strength. These results underline the power of diverse ILs for high-resolution perspectives on complex phenotypes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fridman, Eyal -- Carrari, Fernando -- Liu, Yong-Sheng -- Fernie, Alisdair R -- Zamir, Dani -- New York, N.Y. -- Science. 2004 Sep 17;305(5691):1786-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Robert H. Smith Institute of Plant Sciences and Genetics in Agriculture, Faculty of Agriculture, Hebrew University of Jerusalem, Post Office Box 12, Rehovot 76100, Israel.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15375271" target="_blank"〉PubMed〈/a〉
    Keywords: Alleles ; Amino Acid Sequence ; Aspartic Acid ; Catalytic Domain ; Crosses, Genetic ; Flowers/enzymology/genetics ; Fruit/enzymology/genetics ; Gene Expression ; Gene Expression Regulation, Plant ; Genes, Plant ; Genetic Complementation Test ; Lycopersicon esculentum/enzymology/*genetics/growth & development ; Molecular Sequence Data ; *Polymorphism, Single Nucleotide ; *Quantitative Trait Loci ; Quantitative Trait, Heritable ; Solanum/enzymology/*genetics ; Sucrose/metabolism ; Transcription, Genetic ; Transformation, Genetic ; beta-Fructofuranosidase/chemistry/*genetics/*metabolism
    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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