Genetic Variants in SDC3 Gene are Significantly Associated with Growth Traits in Two Chinese Beef Cattle Breeds
文献类型: 外文期刊
作者: Huang, Yong-Zhen 1 ; Wang, Qin 1 ; Zhang, Chun-Lei 1 ; Fang, Xing-Tang 1 ; Song, En-Liang 3 ; Chen, Hong 1 ;
作者机构: 1.Jiangsu Normal Univ, Inst Cellular & Mol Biol, 101 Shanghai Rd, Xuzhou 221116, Jiangsu, Peoples R China
2.Northwest A&F Univ, Coll Anim Sci & Technol, Shaanxi Key Lab Mol Biol Agr, Yangling, Shaanxi, Peoples R China
3.Shandong Acad Agr Sci, Inst Anim Husb & Vet, Jinan, Shandong, Peoples R China
关键词: Association;cattle;growth trait;SDC3;SNPs
期刊名称:ANIMAL BIOTECHNOLOGY ( 影响因子:2.282; 五年影响因子:1.702 )
ISSN:
年卷期:
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收录情况: SCI
摘要: Identification of the genes and polymorphisms underlying quantitative traits, and understanding these genes and polymorphisms affect economic growth traits, are important for successful marker-assisted selection and more efficient management strategies in commercial cattle (Bos taurus) population. Syndecan-3 (SDC3), a member of the syndecan family of type I transmembrane heparan sulfate proteoglycans is a novel regulator of feeding behavior and body weight. The aim of this study is to examine the association of the SDC3 polymorphism with growth traits in Chinese Jiaxian and Qinchuan cattle breeds ( ). Four single nucleotide polymorphisms (SNPs: 1-4) were detected in 555 cows from three Chinese native cattle breeds by means of sequencing pooled DNA samples and polymerase chain reaction-single stranded conformational polymorphism (PCR-SSCP) methods. We found one SNP (g. 28362A > G) in intron and three SNPs (g. 30742T > G, g. 30821C > T and 33418 A > G) in exons. The statistical analyses indicated that these SNPs of SDC3 gene were associated with bovine body height, body length, chest circumference, and circumference of cannon bone (P < 0.05). The mutant-type variant was superior for growth traits; the heterozygote was associated with higher growth traits compared to wild-type homozygote. Our result confirms the polymorphisms in the SDC3 gene are associated with growth traits that may be used for marker-assisted selection in beef cattle breeding programs.
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