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Radiation hybrid mapping of genes and newly identified microsatellites in candidate regions for bovine arthrogryposis-palatoschisis and progressive ataxia based on comparative data from man, mouse and rat

Authors :
A. Duchesne
André Eggen
Unité de recherche Génétique Biochimique et Cytogénétique (LGBC)
Institut National de la Recherche Agronomique (INRA)
Source :
Journal of Animal Breeding and Genetics, Journal of Animal Breeding and Genetics, Wiley, 2005, 122 (S 1), pp.28-35. ⟨10.1111/j.1439-0388.2005.00493.x⟩, Journal of Animal Breeding and Genetics S 1 (122 ), 28-35. (2005)
Publication Year :
2005
Publisher :
Wiley, 2005.

Abstract

International audience; A comparative pathology and mapping strategy was used to initiate a study on two bovine genetic diseases: arthrogryposis-palatoschisis and progressive ataxia, which affect mainly Charolais cattle. Bibliographic studies provided information on the pathology of these diseases, which helped to define similar diseases in other species. Animals affected by bovine arthrogryposis-palatoschisis display similar symptoms to those of muscular dysgenesis, mouse mutants and animals with progressive ataxia to those of Long Evans Shaker rat mutants. Candidate regions are respectively human chromosome 1q32 (BTA16) containing the gene CACNA1S and human chromosome 18q23 (BTA24) containing the gene myelin basic protein (MBP). Primer pairs were designed for 15 loci around each candidate gene, in a region of about 20 megabases and were used to screen a bovine Bacterial Artificial Chromosome (BAC) library. Eighteen microsatellites were found in the identified BAC clones, 11 on BTA24 and seven on BTA16. The genes and microsatellites were mapped by radiation hybrid (RH) analysis and a RH map was obtained for each region with 18 new localizations on BTA16 and 23 on BTA24. Comparative human-bovine analysis of the MBP region shows a good conservation of gene order while that of the CACNA1S region shows several breakpoints.

Details

ISSN :
14390388 and 09312668
Volume :
122
Database :
OpenAIRE
Journal :
Journal of Animal Breeding and Genetics
Accession number :
edsair.doi.dedup.....f54153e714b58e7bcbaf40bb6c04d4b3
Full Text :
https://doi.org/10.1111/j.1439-0388.2005.00493.x