Study on Association of Single Nucleotide Polymorphism at Extron 7 of LPL Gene with Growth Traits in Yak

doi:10.7668/hbnxb.2010.05.003

Abstract

Abstract: The PCR-SSCP polymorphism of Lipoprotein lipase(LPL) gene sequence of part extron 7 and its correlation with growth traits were studied in 398 individuals from five breeds yak. The results showed that there were two alleles and three genotypes in the locus of LPL gene extron 7. They were at Hardy-Weinberg equilibrium state in this locus. The least square analysis showed that the different genotype of LPL extron 7 had a significant effect on partial traits of growth including body weight,heart girth,body height(P 0. 05) ,and the genotype did not affected on body slanting length significantly(P 0. 05) . Therefore,these results imply that the mutation at the extron 7 of yak LPL gene could be used as the molecular genetic marker for yak breeding.

Key words: Yak, LPL gene, Polymorphism, Genetic marker, PCR-SSCP

CLC Number:

LIANG Chunnian, XING Chengfeng, YAN Ping, DING Xuezhi, PEI Jie, GUO Xian, BAO Pengjia, CHUMin, ZHU Xinshu. Study on Association of Single Nucleotide Polymorphism at Extron 7 of LPL Gene with Growth Traits in Yak[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2010, 25(5): 16-19. doi: 10.7668/hbnxb.2010.05.003.

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