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Structural analysis of the chicken BRCA2 gene facilitates identification of functional domains and disease causing mutations

Structural analysis of the chicken BRCA2 gene facilitates identification of functional domains... Carriers of mutations in the BRCA2 gene have a high risk of developing breast and other cancers. The BRCA2 gene, which is located on human chromosome 13, encodes a very large protein of only poorly understood function. To define regions of sequence conservation and highlight potentially functionally important domains, we have cloned and characterized the chicken BRCA2 gene, the first non-mammalian BRCA2 gene to be described. The gene is organized similarly to the human BRCA2 gene, but is more compact and is localized to the subtelomeric region of chicken chromosome 1q, within a region that contains other genes from human chromosome 13. The chicken BRCA2 gene encodes a protein of 3399 amino acids, which is poorly conserved with mammalian BRCA2 proteins, having only 37% amino acid identity overall with human BRCA2. However, certain domains are much more highly conserved, indicating functional significance. We describe genes with some of these conserved domains in organisms as diverse as intracellular parasites, mosquitoes and plants. The evolutionarily divergent chicken BRCA2 sequence may also be useful in assigning the large number of sequence variants that have been described in the human BRCA2 gene which are of unknown significance in disease causation. Received January 14, 2002; Revised and Accepted February 6, 2002. « Previous | Next Article » Table of Contents This Article Hum. Mol. Genet. 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Structural analysis of the chicken BRCA2 gene facilitates identification of functional domains and disease causing mutations

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References (39)

Publisher
Oxford University Press
Copyright
Copyright © 2015 Oxford University Press
ISSN
0964-6906
eISSN
1460-2083
DOI
10.1093/hmg/11.7.841
Publisher site
See Article on Publisher Site

Abstract

Carriers of mutations in the BRCA2 gene have a high risk of developing breast and other cancers. The BRCA2 gene, which is located on human chromosome 13, encodes a very large protein of only poorly understood function. To define regions of sequence conservation and highlight potentially functionally important domains, we have cloned and characterized the chicken BRCA2 gene, the first non-mammalian BRCA2 gene to be described. The gene is organized similarly to the human BRCA2 gene, but is more compact and is localized to the subtelomeric region of chicken chromosome 1q, within a region that contains other genes from human chromosome 13. The chicken BRCA2 gene encodes a protein of 3399 amino acids, which is poorly conserved with mammalian BRCA2 proteins, having only 37% amino acid identity overall with human BRCA2. However, certain domains are much more highly conserved, indicating functional significance. We describe genes with some of these conserved domains in organisms as diverse as intracellular parasites, mosquitoes and plants. The evolutionarily divergent chicken BRCA2 sequence may also be useful in assigning the large number of sequence variants that have been described in the human BRCA2 gene which are of unknown significance in disease causation. Received January 14, 2002; Revised and Accepted February 6, 2002. « Previous | Next Article » Table of Contents This Article Hum. Mol. Genet. (2002) 11 (7): 841-851. doi: 10.1093/hmg/11.7.841 » Abstract Free Full Text (HTML) Free Full Text (PDF) Free Classifications Article Services Article metrics Alert me when cited Alert me if corrected Find similar articles Similar articles in Web of Science Similar articles in PubMed Add to my archive Download citation Request Permissions Citing Articles Load citing article information Citing articles via CrossRef Citing articles via Scopus Citing articles via Web of Science Citing articles via Google Scholar Google Scholar Articles by Warren, M. Articles by Ashworth, A. Search for related content PubMed PubMed citation Articles by Warren, M. Articles by Smith, A. Articles by Partridge, N. Articles by Masabanda, J. Articles by Griffin, D. Articles by Ashworth, A. Related Content Load related web page information Share Email this article CiteULike Delicious Facebook Google+ Mendeley Twitter What's this? Search this journal: Advanced » Current Issue November 15, 2015 24 (22) Alert me to new issues The Journal About this journal Rights & Permissions Dispatch date of the next issue This journal is a member of the Committee on Publication Ethics (COPE) We are mobile – find out more Journals Career Network Impact factor: 6.393 5-Yr impact factor: 6.850 Executive Editors Professor Kay Davies Professor Anthony Wynshaw-Boris Professor Joel Hirschhorn Dr Jeffrey Barrett View full editorial board For Authors Instructions to authors Online submission Submit Now! Self-archiving policy Open access options for authors - visit Oxford Open This journal enables compliance with the NIH Public Access Policy Alerting Services Email table of contents Email Advance Access CiteTrack XML RSS feed Corporate Services Advertising sales Reprints Supplements var taxonomies = ("SCI01140"); Most Most Read Genetics of obesity and the prediction of risk for health Non-coding RNA Telomerase and cancer Ion channel diseases Down syndrome--recent progress and future prospects » View all Most Read articles Most Cited The DNA methyltransferases of mammals Nonsense-Mediated mRNA Decay in Health and Disease Mutation of human short tandem repeats Prediction of deleterious human alleles Isolation of a Candidate Human Telomerase Catalytic Subunit Gene, Which Reveals Complex Splicing Patterns in Different Cell Types » View all Most Cited articles Disclaimer: Please note that abstracts for content published before 1996 were created through digital scanning and may therefore not exactly replicate the text of the original print issues. All efforts have been made to ensure accuracy, but the Publisher will not be held responsible for any remaining inaccuracies. If you require any further clarification, please contact our Customer Services Department. Online ISSN 1460-2083 - Print ISSN 0964-6906 Copyright © 2015 Oxford University Press Oxford Journals Oxford University Press Site Map Privacy Policy Cookie Policy Legal Notices Frequently Asked Questions Other Oxford University Press sites: Oxford University Press Oxford Journals China Oxford Journals Japan Academic & Professional books Children's & Schools Books Dictionaries & Reference Dictionary of National Biography Digital Reference English Language Teaching Higher Education Textbooks International Education Unit Law Medicine Music Online Products & Publishing Oxford Bibliographies Online Oxford Dictionaries Online Oxford English Dictionary Oxford Language Dictionaries Online Oxford Scholarship Online Reference Rights and Permissions Resources for Retailers & Wholesalers Resources for the Healthcare Industry Very Short Introductions World's Classics function fnc_onDomLoaded() { var query_context = getQueryContext(); PF_initOIUnderbar(query_context,":QS:default","","JRN"); PF_insertOIUnderbar(0); }; if (window.addEventListener) { window.addEventListener('load', fnc_onDomLoaded, false); } else if (window.attachEvent) { window.attachEvent('onload', fnc_onDomLoaded); } var gaJsHost = (("https:" == document.location.protocol) ? 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Journal

Human Molecular GeneticsOxford University Press

Published: Apr 1, 2002

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