Combined effect of mutations in ADSL and GARS-AIRS-GART genes on IMP content in chickens
文献类型: 外文期刊
第一作者: Shu, J. T.
作者: Shu, J. T.;Zhang, X. Y.;Han, W.;Chen, K. W.;Bao, W. B.;Ji, C. J.
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关键词: genotype
期刊名称:BRITISH POULTRY SCIENCE ( 影响因子:2.095; 五年影响因子:2.266 )
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收录情况: SCI
摘要: 1. The objective of this study was to investigate the effect of ADSL gene, GARS-AIRS-GART gene and their combination genotype on inosine monophosphate content (IMP) in chicken. 2. The chicken breeds used for this study were Recessive White chicken (RW, Jiang-13 strain of white Plymouth Rock) and preserved population of 4 Chinese native chicken breeds, including Silkies, Baier, Tibetan and Xiaoshan. 3. The primers for exon 2 in ADSL gene and 5'UTR region in GARS-AIRS-GART gene were designed and the single nucleotide polymorphisms (SNPs) were detected by PCR-SSCP and DNA sequencing. 4. Two SNPs were detected, C/T substitution at position 3484 in exon 2 of ADSL gene, which was a silent mutation, and C/T point mutation at position -179 in 5'UTR region of GARS-AIRS-GART gene. In ADSL gene, individuals with TT genotype had significantly higher IMP content than CT and CC genotype individuals. No significant difference was observed between CT and CC genotypes. Similar results were obtained for GARS-AIRS-GART gene. The combination of genotypes ADSL and GARS-AIRS-GART genes also had a significant effect on IMP content. Individuals with TTTT genotype had the highest muscle IMP content, while individuals with CCCT genotype had the lowest. 4. We putatively drew the conclusion that the SNPs in these two genes, as well as the combination genotypes, could be used as potential molecular markers for meat quality in chicken.
分类号: S8
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