Abstract
In this study, polymorphism in the exon 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 and 11 of bovine NUCB2 gene was detected by PCR-SSCP and DNA sequencing methods in 686 individuals from three Chinese cattle breeds. Two haplotypes (M and N), three observed genotypes (MM, MN and NN) and two SNPs (NC_007313: g. 27451G>A, NC_007313: g. 27472T>C) were detected. The frequencies of haplotypes M and N in inland Chinese three breeds were 0.531–0.721 and 0.279–0.469 respectively. The studied showed that Nanyang, Jiaxian Red and Qinchuan cattle populations were in Hardy–Weinberg equilibrium at SNPs locus of NUCB2 gene (P > 0.05). Polymorphism of the NUCB2 gene was shown to be associated with growth traits in Qingchuan and Nanyang cattle breed. The linkage of two mutant sites in the bovine NUCB2 gene had significant effects on body length, body weight, heart girth, and average daily gain at 24 months (P < 0.05). Results of this study suggested that the NUCB2-gene-specific SNP may be a useful marker for growth traits in future marker-assisted selection programmes in inland Chinese cattle.
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Acknowledgements
This study was supported by the National 863 Program of China (No. 2006AA10Z197, 2008AA101010), National Natural Science Foundation of China (No .30771544), National Key Technology R&D Program (No. 2006BAD01A10-5), “13115” Sci-Tech Innovation Program of Shaanxi Province (2008ZDKG-11), Basic and Foreland Technology Study Program of Henan Province (No. 072300430160); Program of National Beef Cattle Industrial Technology System. Keystone Project of transfergene in China (2009ZX08009-157B, 2008ZX08007-002).
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Li, F., Chen, H., Lei, C.Z. et al. Novel SNPs of the bovine NUCB2 gene and their association with growth traits in three native Chinese cattle breeds. Mol Biol Rep 37, 541–546 (2010). https://doi.org/10.1007/s11033-009-9732-y
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DOI: https://doi.org/10.1007/s11033-009-9732-y