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Published on: November 18, 2013
Improved typing procedure for the polymorphic single-copy RLA-DQA gene of the rabbit reveals a new allele
1Molecular and Cellular Immunogenetics Section, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Maryland, USA. mfain@nih.gov
Abstract:
The DQA gene of the rabbit major histocompatibility complex (MHC, RLA) is highly polymorphic and, in contrast to those reported for other mammalian species, is present as a single copy. These properties allow use of this gene in a method to type the class II locus of RLA by a combination of single-stranded conformational polymorphism (SSCP) and heteroduplex (HD) analysis. Familial segregation of RLA-DQA was shown and RLA class II types for rabbits of unknown pedigree were determined using migration patterns of amplified genomic DNA. Typing results were confirmed in experiments where unknown samples were mixed with products from rabbits of RLA types defined by sequence analysis. These analyses detected an RLA-DQA allele in addition to the five previously described; this new allele is designated RLA-DQA-F.
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