Correlation between polymorphisms in ADSL and GARS-AIRS-GART genes with inosine 5'-monophosphate (IMP) contents in Beijing-you chickens
文献类型: 外文期刊
第一作者: Chen, J. L.
作者: Chen, J. L.;Zhao, G. P.;Zheng, M. Q.;Wen, J.;Chen, J. L.;Zhao, G. P.;Zheng, M. Q.;Wen, J.;Ye, M. H.
作者机构:
关键词: inosine 5'-monophosphate: IMP;131-99-7;body weight;muscle yield
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 association of single nucleotide polymorphisms identified within the ADSL (adenylosuccinate lyase deficiency) gene and GARS-AIRS-GART (glycinamide ribonucleotide synthetase-aminoimidazole ribonucleotide synthetase-glycinamide ribonucleotide transformylase) gene with the content of inosine 5'-monophosphate (IMP) was studied in a population of male Beijing-you (BJY) chickens slaughtered at 90 d of age. 2. A single nucleotide polymorphism in exon 2 of the ADSL gene had an effect on IMP content. Chickens inheriting the positive allele at ADSL, both homozygous and heterozygous genotypes, had a higher content of IMP in breast muscle than did individuals without it. 3. Similar results were obtained for the GARS-AIRS-GART gene. The marker at the 5' untranslated region (UTR) of the GARS-AIRS-GART gene was also significant for the IMP value. Chickens inheriting the genotypes with the positive allele at this locus had a much higher content of IMP than did those homozygous for the unfavourable one. 4. Interactions between ADSL and GARS-AIRS-GART were detected for such traits as body weight and muscle yields in the tested population. The two loci acted in an additive fashion. Because IMP is one of the most important flavour components in meat, markers developed at these two genes, as well as the combination genotypes, could be used as potential molecular markers for improving chicken quality.
分类号: S8
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