title: Molecular characterization of swine leukocyte antigen class I genes by sequence-based and PCR-SSP method in Guizhou minipigs.
abstract: The highly polymorphic swine leucocyte antigen (SLA) genes play an important role in swine immune responses to infectious diseases, vaccines and production performance. The pig resource with well defined SLA genes is useful for xenotransplantation and immunological studies. In this study, we have characterized three SLA class I genes (SLA-1, SLA-3, SLA-2) of 22 founder Guizhou minipigs using sequence-based typing method. Thirteen alleles were detected in this population, compared with the SLA allele sequences in GenBank, 11 of 13 SLA class I alleles were novel in Guizhou minipigs. There are four SLA I haplotypes, none of them previously reported in other pigs. Based on these alleles sequences information, we developed a simple method implemented to SLA-typing for unknown offsprings of Guizhou minipigs, relying on designed 13 sequence specific primers that could discriminate each one among which located in each locus using PCR in a SLA typing assay. According the combination methods of sequence-based typing and PCR-SSP, we were able to rapidly conduct SLA typing for Guizhou breeding stock and identify four SLA haplotypes present in the herd. This resource population of SLA-defined Guizhou minipigs will be useful as animal models for xenotransplantation and further immunological research.
authors.affiliation: Institute of Animal Science, Chinese Academy of Agricultural Sciences, NO.2 Yuanmingyuan West Road, Beijing, 100193, People's Republic of China.
authors.forename: Jihan
authors.initials: J
authors.lastname: Xia
authors.forename: Zizhan
authors.initials: Z
authors.lastname: Liu
authors.forename: Leilei
authors.initials: L
authors.lastname: Xin
authors.forename: Zaigui
authors.initials: Z
authors.lastname: Wang
authors.forename: Lin
authors.initials: L
authors.lastname: Qian
authors.forename: Shuguang
authors.initials: S
authors.lastname: Wu
authors.forename: Shulin
authors.initials: S
authors.lastname: Yang
authors.forename: Kui
authors.initials: K
authors.lastname: Li
mesh_terms: D000818:Animals; D006239:Haplotypes; D015395:Histocompatibility Antigens Class I / Q000235:genetics*; D010802:Phylogeny; D016133:Polymerase Chain Reaction / Q000379:methods*; D017422:Sequence Analysis, DNA / Q000379:methods*; D013552:Swine; D013556:Swine, Miniature / Q000235:genetics*
chemical_list: D015395:Histocompatibility Antigens Class I
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