期刊
MOLECULAR AND CELLULAR PROBES
卷 26, 期 6, 页码 248-252出版社
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.mcp.2012.02.005
关键词
Pig; Arthrogryposis multiplex congenita (AMC); Genotype; Haplotype
类别
资金
- SUISAG
- COST action 861 (project SBF) [C05.0029]
In the Swiss Large White pig population a genetically caused arthrogryposis multiplex congenita (AMC) variant was identified. The disease is autosomal recessively inherited and is a fatal defect. Affected piglets are of normal size, but show malformed and permanently contracted joints in their legs. Often the spinal cord is curved and the lower jaw is shortened. Originally, AMC was mapped to a 5 Mb region on pig chromosome 5 (SSC5) between microsatellite markers SW152 and SW904. In order to detect unaffected carriers a diagnostic test using markers within the candidate region was developed. However, two independent recombination events occurred in a diseased and in a healthy piglet. Therefore, we selected 24 consecutive markers (3 microsatellites, 19 SNPs and 2 indels) in the candidate region, and determined the haplotypes in the two pedigrees with the recombinations. The parents and five offspring were investigated. In consequence, we were able to narrow down the candidate region and map AMC between SNPs ALGA0032767 and DRGA0006010 on SSC5 which span around 2.32 Mb. The candidate region shares homology to human chromosome 12. However, we are still lacking good candidate genes. A PCR-RFLP was developed and is used as an improved genetic test for AMC. (C) 2012 Elsevier Ltd. All rights reserved.
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