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    Recent segmental duplications in the human genome (2002)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2002-08-10
    Description: Primate-specific segmental duplications are considered important in human disease and evolution. The inability to distinguish between allelic and duplication sequence overlap has hampered their characterization as well as assembly and annotation of our genome. We developed a method whereby each public sequence is analyzed at the clone level for overrepresentation within a whole-genome shotgun sequence. This test has the ability to detect duplications larger than 15 kilobases irrespective of copy number, location, or high sequence similarity. We mapped 169 large regions flanked by highly similar duplications. Twenty-four of these hot spots of genomic instability have been associated with genetic disease. Our analysis indicates a highly nonrandom chromosomal and genic distribution of recent segmental duplications, with a likely role in expanding protein diversity.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bailey, Jeffrey A -- Gu, Zhiping -- Clark, Royden A -- Reinert, Knut -- Samonte, Rhea V -- Schwartz, Stuart -- Adams, Mark D -- Myers, Eugene W -- Li, Peter W -- Eichler, Evan E -- CA094816/CA/NCI NIH HHS/ -- GM58815/GM/NIGMS NIH HHS/ -- HG002318/HG/NHGRI NIH HHS/ -- New York, N.Y. -- Science. 2002 Aug 9;297(5583):1003-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Genetics, Center for Computational Genomics, and Center for Human Genetics, Case Western Reserve University School of Medicine and University Hospitals of Cleveland, Cleveland, OH 44106, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12169732" target="_blank"〉PubMed〈/a〉
    Keywords: Alleles ; Base Sequence ; Biological Evolution ; Chromosomes, Human/genetics ; Computational Biology ; Databases, Nucleic Acid ; Exons ; Expressed Sequence Tags ; *Gene Duplication ; Gene Rearrangement ; *Genes, Duplicate ; Genetic Diseases, Inborn/genetics ; *Genome, Human ; Humans ; Models, Genetic ; Polymorphism, Single Nucleotide ; Proteome ; Recombination, Genetic ; Sequence Alignment
    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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    Strand-specific postreplicative processing of mammalian telomeres (2001)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2001-09-29
    Description: Telomeres are specialized nucleoprotein structures that stabilize the ends of linear eukaryotic chromosomes. In mammalian cells, abrogation of telomeric repeat binding factor TRF2 or DNA-dependent protein kinase (DNA-PK) activity causes end-to-end chromosomal fusion, thus establishing an essential role for these proteins in telomere function. Here we show that TRF2-mediated end-capping occurs after telomere replication. The postreplicative requirement for TRF2 and DNA-PKcs, the catalytic subunit of DNA-PK, is confined to only half of the telomeres, namely, those that were produced by leading-strand DNA synthesis. These results demonstrate a crucial difference in postreplicative processing of telomeres that is linked to their mode of replication.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bailey, S M -- Cornforth, M N -- Kurimasa, A -- Chen, D J -- Goodwin, E H -- AG-917709/AG/NIA NIH HHS/ -- CA50519/CA/NCI NIH HHS/ -- CA76260/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 2001 Sep 28;293(5539):2462-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Bioscience Division, Los Alamos National Laboratory, Los Alamos, NM 87544, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11577237" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Division ; Cell Line ; Chromatids/physiology/ultrastructure ; Chromosomes/physiology/ultrastructure ; *DNA Replication ; DNA-Activated Protein Kinase ; DNA-Binding Proteins/genetics/*metabolism ; Humans ; In Situ Hybridization ; Mice ; Mitosis ; Mutation ; Nuclear Proteins ; Protein-Serine-Threonine Kinases/deficiency/metabolism ; Telomere/*metabolism ; Telomeric Repeat Binding Protein 2 ; 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)
    Location Call Number Expected Availability
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