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Position: Home > Articles > Cloning and HaeⅢ-RFLP Analysis of Partial GHRH Gene in Oura-Type Tibetan Sheep Journal of Henan Agricultural Sciences 2008,2008 (2) 97-100

藏绵羊GHRH基因部分片段的克隆及HaeⅢ-RFLP分析

作  者:
马志杰;魏雅萍;钟金城;杨万远;常怀普;陈生梅
单  位:
青海省畜牧兽医科学院畜牧研究所;西南民族大学生命科学与技术学院;西南大学生物技术学院
关键词:
欧拉型藏绵羊;生长激素释放激素;克隆;PCR-RFLP
摘  要:
对欧拉型藏绵羊生长激素释放激素(GHRH)基因部分片段进行PCR扩增、纯化和克隆测序,利用GenBank中的Blastn方法与普通牛相应基因序列进行了比对分析,并对54只欧拉型藏绵羊该基因片段进行了HaeⅢ-RFLP研究。结果表明:欧拉型藏绵羊与普通牛GHRH基因部分序列间同源性为93%;序列间碱基变异类型主要表现为碱基转换和颠换,亦存在碱基插入和缺失;54只欧拉型藏绵羊该基因片段HaeⅢ-RFLP分析均为单态,表现为AA基因型。
译  名:
Cloning and HaeⅢ-RFLP Analysis of Partial GHRH Gene in Oura-Type Tibetan Sheep
作  者:
MA Zhi-jie1,WEI Ya-ping1,ZHONG Jin-cheng2,YANG Wan-yuan2, CHANG Huai-pu3,CHEN Sheng-mei1(1.Institute of Animal Science,Qinghai Academy of Animal Science and Veterinary Medicine,Xining 810016,China;2.College of Life Science & Technology,Southwest University for Nationalities,Chengdu 610041,China;3.College of Biotechnology,Southwest University,Chongqing 400715,China)
关键词:
Oura-type Tibetan sheep;GHRH;Cloning;PCR-RFLP
摘  要:
The partial sequence of Oura-type Tibetan sheep GHRH gene was sequenced(GenBank Accession No: EU156338)and compared with that of cattle(Bos taurus) through blastn method.The results showed that the nucleotide homology of the partial intronⅠof GHRH gene between the Tibetan sheep and the cattle was up to 93%,and the main mutation types were base transition and transversion though there also existed some base invertions and deletions.Meanwhile,the polymorphism of partial intronⅠof GHRH gene in 54 Oura-type Tibetan sheep(Ovis aries) was analyzed by HaeⅢ-RFLP method,which indicated that no polymorphism was detected in this fragment and all genotypes of Oura-type Tibetan sheep studied were AA genotype.

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