猪SGCB基因多态性及其与胴体性状的关联分析

畜牧兽医学报 ›› 2009, Vol. 40 ›› Issue (5): 622-626.doi:

猪SGCB基因多态性及其与胴体性状的关联分析

符亚原^1，2，雷明刚¹，潘刚¹，程蕾³，何君贤¹，李凤娥¹，左波¹，熊远著¹*

1. 华中农业大学动物科技学院，武汉430070；2.黑龙江八一农垦大学动物科技学院，大庆 163319；3.武汉市农科院畜牧兽医研究所，武汉 430065

收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2009-05-25 发布日期:2009-05-25
通讯作者: 熊远著

Association of the Polymorphism of Porcine SGCB Gene with Carcass Traits

FU Ya-yuan^1,2, LEI Ming-gang¹,PAN Gang¹, CHENG Lei³, HE Jun-xian¹, LI Feng-e¹, ZUO Bo¹, XIONG Yuan-zhu¹*

1.College of Animal Science and Technology, Huazhong Agricultural University, Wuhan 430070, China; 2. College of Animal Science and Technology,HLJ August First Land Reclamation University,Daqing 163319,China; 3. Institute of Animal Science, Wuhan Academy of Agricultural Sciences,Wuhan 430065,China

Received:1900-01-01 Revised:1900-01-01 Online:2009-05-25 Published:2009-05-25

摘要/Abstract

摘要： 本研究检测了大白猪、长白猪和梅山猪SGCB基因第4外显子上的G/A突变，并进行了多态性研究。采用改进的扩增受阻突变系统-PCR (ARMS-PCR)技术在3个不同猪种和“大白×梅山”F₂代资源家系中进行遗传分析，结果表明，等位基因A和G在4个群体中分布平衡。对266头“大白×梅山”F2代资源家系中SGCB基因多态性与胴体性状进行关联分析。结果表明：该位点AA基因型对活体瘦肉率存在极显著影响（P<0.01），GG基因型对眼肌高存在极显著影响(P<0.01)。

Abstract: The sequence of extron 4 of the porcine SGCB gene was obtained from Large White, Landrace and Meishan pigs. Sequence comparison revealed a A/G mutation which was detected by ARMS-PCR. The A and G alleles were balanced in the Large White, Landrace, Meishan pigs and Large White×Meishan F₂ population. Association analysis between the polymorphism and carcass traits was performed in Large White×Meishan F₂ population with 266 pigs. The genotype AA had significant effect on average lean meat percentage(P<0.01), the genotype GG had significant effect on loin-muscle height(P<0.01) in Large White×Meishan F₂population.

符亚原;雷明刚;潘刚;程蕾;何君贤;李凤娥;左波;熊远著. 猪SGCB基因多态性及其与胴体性状的关联分析[J]. 畜牧兽医学报, 2009, 40(5): 622-626.

FU Ya-yuan;LEI Ming-gang;PAN Gang;CHENG Lei;HE Jun-xian;LI Feng-e;ZUO Bo;XIONG Yuan-zhu. Association of the Polymorphism of Porcine SGCB Gene with Carcass Traits[J]. ACTA VETERINARIA ET ZOOTECHNICA SINICA, 2009, 40(5): 622-626.

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