期刊
ANIMAL GENETICS
卷 44, 期 2, 页码 206-208出版社
WILEY
DOI: 10.1111/j.1365-2052.2012.02373.x
关键词
CNV; genetics; horse; larynx; neuropathy
资金
- Agence Nationale de la Recherche (ANR)
- Fond Eperon
- Institut Francais du Cheval et de l'Equitation (IFCE)
- Region Basse-Normandie (France)
We used the data from a recently performed genome-wide association study using the Illumina Equine SNP50 beadchip for the detection of copy number variants (CNVs) and examined their association with recurrent laryngeal neuropathy (RLN), an important equine upper airway disease compromising performance. A total of 2797 CNVs were detected for 477 horses, covering 229kb and seven SNPs on average. Overlapping CNVs were merged to define 478 CNV regions (CNVRs). CNVRs, particularly deletions, were shown to be significantly depleted in genes. Fifty-two of the 67 common CNVRs (frequency1%) were validated by association mapping, Mendelian inheritance, and/or Mendelian inconsistencies. None of the 67 common CNVRs were significantly associated with RLN when accounting for multiple testing. However, a duplication on chromosome 10 was detected in 10 cases (representing three breeds) and two unphenotyped parents but in none of the controls. The duplication was embedded in an 8-Mb haplotype shared across breeds.
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