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Association of SNPs in exon 2 of the MHC B-F gene with immune traits in two distinct chicken populations: Chinese Beijing-You and White Leghorn.
Acta Agricultuae Scandinavica, Section A - Animal Science ( IF 0.9 ) Pub Date : 2009-03-01 , DOI: 10.1080/09064700902988905 L B Liu 1 , C M Wu 1 , J Wen 1 , J L Chen 1 , M Q Zheng 1 , G P Zhao 1
Acta Agricultuae Scandinavica, Section A - Animal Science ( IF 0.9 ) Pub Date : 2009-03-01 , DOI: 10.1080/09064700902988905 L B Liu 1 , C M Wu 1 , J Wen 1 , J L Chen 1 , M Q Zheng 1 , G P Zhao 1
Affiliation
Antibody titers raised for vaccinations against avian influenza (AI) and Newcastle disease (ND) were higher in Chinese Beijing-You (BJY) than in White Leghorn (WL) (P < 0.001), but there was no breed difference in titers for sheep red blood cells (SRBC). Genotyping by PCR-SSCP identified seven haplotypes in WL and 17 in BJY. After sequencing PCR products (35 and 85, respectively), 43 (WL) and 47 (BJY) single nucleotide polymorphisms (SNPs) were found in the 264 bp of exon 2. In WL chickens, significant associations were found with antibody responses to AI (two SNPs), ND (six SNPs), and SRBC (one SNP), while in BJY there was association with responses to ND (two SNPs) and SRBC (two SNPs), but none with AI. These results indicate that the genomic region bearing exon 2 of the major histocompatibility complex B-F gene has significant effects on antibody responses to SRBC and vaccination against AI and ND. Different SNPs affected antibody titers for each of the antigens and they differed between these very distinct breeds.
更新日期：2019-11-01
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