The FABP4 gene polymorphism is associated with meat tenderness in three Chinese native sheep breeds

Q.L. Xu, G.W. Tang, Q.L. Zhang, Y.K. Huang, Y.X. Liu, K. Quan, K.Y. Zhu and C.X. Zhang
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Q.L. Xu: Department of Animal Science and Technology, Zhengzhou College of Animal Husbandry Engineering, Zhengzhou, Henan, P.R. China
G.W. Tang: Department of Animal Science and Technology, Zhengzhou College of Animal Husbandry Engineering, Zhengzhou, Henan, P.R. China
Q.L. Zhang: Department of Animal Science and Technology, Zhengzhou College of Animal Husbandry Engineering, Zhengzhou, Henan, P.R. China
Y.K. Huang: Department of Animal Science and Technology, Zhengzhou College of Animal Husbandry Engineering, Zhengzhou, Henan, P.R. China
Y.X. Liu: Department of Animal Science and Technology, Zhengzhou College of Animal Husbandry Engineering, Zhengzhou, Henan, P.R. China
K. Quan: Department of Animal Science and Technology, Zhengzhou College of Animal Husbandry Engineering, Zhengzhou, Henan, P.R. China
K.Y. Zhu: Department of Animal Science and Technology, Zhengzhou College of Animal Husbandry Engineering, Zhengzhou, Henan, P.R. China
C.X. Zhang: Department of Animal Science and Technology, Zhengzhou College of Animal Husbandry Engineering, Zhengzhou, Henan, P.R. China

Czech Journal of Animal Science, 2011, vol. 56, issue 1, 1-6

Abstract: The aim of this study was to assess the association of single nucleotide polymorphisms (SNP) of sheep fatty acid binding protein 4 (FABP4) gene with longissimus thoracis muscle (LT) meat quality traits in sheep. The FABP4 cDNA was cloned by RT-PCR method, and the sequence analysis showed that the open reading frame of sheep FABP4 is 399 bp and codes 132 amino acids. A mutation (A/G) detected in intron 1 of FABP4 gene was studied in 286 lambs of three Chinese native sheep breeds by PCR-SSCP procedure. Significant statistical association results revealed that AA genotype conferred higher tenderness (P < 0.05), muscle marbling score (P < 0.05) and intramuscular fat content (IMF; P < 0.05). Thus we suggested that the genotype AA could be regarded as a molecular marker for LT meat tenderness and IMF content in sheep.

Keywords: sheep; FABP4 gene; polymorphism; intramuscular fat (search for similar items in EconPapers)
Date: 2011
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlcjs:v:56:y:2011:i:1:id:231-2009-cjas

DOI: 10.17221/231/2009-CJAS

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