Relationship between the polymorphisms of 5 ' regulation region of prolactin gene and milk traits in Chinese Holstein dairy cows
文献类型: 外文期刊
第一作者: Li, JT
作者: Li, JT;Wang, AH;Chen, P;Li, HB;Zhang, CS;Du, LX
作者机构:
关键词: prolactin (PRL);PCR-RFLP;PCR-SSCP;milk traits
期刊名称:ASIAN-AUSTRALASIAN JOURNAL OF ANIMAL SCIENCES ( 影响因子:2.509; 五年影响因子:2.604 )
ISSN: 1011-2367
年卷期: 2006 年 19 卷 4 期
页码:
收录情况: SCI
摘要: Prolactin (PRL) plays an important role in promoting mammalian mammary gland development, and milk production during lactation, Therefore the PRL gene was chosen as a candidate gene for milk traits in Holstein dairy cows. PCR-SSCP and PCR-RFLP were used to analyze genetic variations in the 5' regulation region of the PRL gene. In this part of the gene, two new polymorphic sites were detected in the Chinese Holstein dairy cows. One was a Xbai-RFLP locus, and the other was an SSCP locus. Statistical analysis showed that the XbaI-RFLP locus and the SSCP locus had a significant positive effect on milk traits.
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