TITLE

A single nucleotide polymorphism in CAPN1 associated with marbling score in Korean cattle

AUTHOR(S)
Hyun Sub Cheong; Du-Hak Yoon; Byung Lae Park; Lyoung Hyo Kim; Joon Seol Bae; Sohg Namgoong; Hae Won Lee; Chang Soo Han; Ji On Kim; Il-Cheong Cheong; Hyoung Doo Shin
PUB. DATE
January 2008
SOURCE
BMC Genetics;2008, Vol. 9, Special section p1
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Background: Marbling score (MS) is the major quantitative trait that affects carcass quality in beef cattle. In this study, we examined the association between genetic polymorphisms of the micromolar calcium-activated neutral protease gene (micro-calpain, CAPN1) and carcass traits in Korean cattle (also known as Hanwoo). Results: By direct DNA sequencing in 24 unrelated Korean cattle, we identified 39 sequence variants within exons and their flanking regions in CAPN1. Among them, 12 common polymorphic sites were selected for genotyping in the beef cattle (n = 421). Statistical analysis revealed that a polymorphism in the 3'UTR (c.2151*479C>T) showed significant association with MS (Pcor. = 0.02). Conclusion: Our findings suggest that polymorphisms in CAPN1 might be one of the important genetic factors involved in carcass quality in beef cattle, although it could be false positive association.
ACCESSION #
36086230

 

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