宁夏肉牛杂交改良群体肌肉生长抑制素基因多态性分析

›› 2012, Vol. 39 ›› Issue (4): 148-152.

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Study on Polymorphisms of MSTN Gene in Improved Hybrid Beef Cattle Groups in Ningxia Province

LI Ju-cai¹, ZHANG Chun-zhen², YANG Yi², YU Jian-yong³, YANG Zhi-qi³, TANG Guo-chong³, YANG Mai-dui³

1. Research Center of Grass and Livestock of Ningxia Academy of Agriculture and Forestry Sciences, Yinchuan 750002, China;2. Ningxia University,Yinchuan 750021, China;3. Office of Agro-farming and Science-Technology of Jingyuan County, Jingyuan 756400, China

Received:2011-08-26 Revised:1900-01-01 Online:2012-04-20 Published:2012-04-20

Abstract

Abstract: Polymorphism of the myostatin (MSTN) in improved hybrid beef cattle group from Liupan Mountain area in Ningxia province was investigated to give the rationale for hybrid improvement. Polymerase chain reaction-restriction fragment length polymorphisms (PCR-RFLP) technology was carried out to examine polymorphisms of MSTN gene of 110 individuals. PCR products of 1346 bp digested by restriction enzyme DraⅠ showed polymorphisms. The frequencies of two genotypes (AT and TT) were 0.0545 and 0.9455. The frequency of T allele was higher than A allele, and frequency of TT genotype was higher than AT genotype. There were two genotypes of MSTN gene in improved hybrid beef cattle group from Liupan Mountain area in Ningxia province.

Key words: beef cattle; myostatin gene; polymorphism

CLC Number:

S823.9⁺2

LI Ju-cai;ZHANG Chun-zhen;YANG Yi;YU Jian-yong;YANG Zhi-qi;TANG Guo-chong;YANG Mai-dui. Study on Polymorphisms of MSTN Gene in Improved Hybrid Beef Cattle Groups in Ningxia Province[J]. , 2012, 39(4): 148-152.

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Study on Polymorphisms of MSTN Gene in Improved Hybrid Beef Cattle Groups in Ningxia Province

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