Specific TaqMan probed real-time quantitative RT-PCR methods and their application to differentiate the transcripts of duplicated BF or BLB genes in chicken MHC
文献类型: 外文期刊
第一作者: Gao, Cai-Xia
作者: Gao, Cai-Xia;Han, Ling-Xia;Qu, Lian-Dong;Gao, Cai-Xia;Luo, Yu-Zhu;Han, Jian-Lin;Han, Jian-Lin
作者机构:
关键词: Chicken;BF;BLB;Transcription;TaqMan qRT-PCR
期刊名称:VETERINARY IMMUNOLOGY AND IMMUNOPATHOLOGY ( 影响因子:2.046; 五年影响因子:2.217 )
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年卷期:
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收录情况: SCI
摘要: BF and BLB genes of chicken major histocompatibility complex (MHC) are responsible for classical antigen processing and presentation; therefore they play a central role in determining the genetic resistance or susceptibility of different MHC-B haplotypes to some infectious diseases. In this study, we developed specific TaqMan probed real-time quantitative reverse transcription PCR (TaqMan qRT-PCR) methods based on the diagnostic nucleotide polymorphisms present in duplicated BE or BLB genes in B2 and B19 haplotypes. The results showed very similar amplification efficiency but no cross-reaction between the duplicated BF or BLB genes of the same haplotype. Spleen mRNA samples of B2 and B19 chickens were used to validate these TaqMan qRT-PCR methods. We observed that BF2 or BLB2 gene was dominantly transcribed in all B2 and B19 chickens. Our findings verified the impact of diversified promoter sequences on the function of duplicated BE or BLB genes. Hence the principles adopted to establish these specific TaqMan qRT-PCR methods in this study can be applied to differentiate the transcripts of duplicated BE or BLB genes of other MHC-B haplotypes in chicken. (C) 2012 Elsevier B.V. All rights reserved.
分类号: S85
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