Abstract
Human HLA class 11 gene probes were used to identify five distinct genes encoding the class 11 heavy chain (a chain) in the rabbit. The rabbit genes were defined by both mapping data and hybridization studies of genomic clones derived from the inbred B/J rabbit strain. Analysis of the clones by hybridization at graded stringencies indicated that one group of clones corresponded to HLA-DR, one group to HLA-DQ, and two groups to HLA-DP. Clones within a fifth group, designated DN, hybridized weakly to HLA-DR and may carry a fourth species of class II α genes in the rabbit. Clones within the group showing high homology to HLA-DRα were found to also contain sequences hybridizing with a probe for HLA-DR β . No HLA-DP, -DQ, or -DRβ sequences were detected in any of the other class II α clones. Distinct banding patterns observed in Southern blot analyses using either human or rabbit class II α probes revealed restriction fragment length polymorphism for the different rabbit haplotypes studied. TheDN, DQ, andDR α genes appear to be present as single copies whereas there are two distinctDP-like genes in the rabbit.
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Abbreviations
- RLA:
-
major histocompatibility complex of the rabbit
- RFLP:
-
restriction fragment length polymorphism
- RL-5:
-
rabbit T-cell line
- SSC:
-
0.15 M sodium chloride, 0.015 M sodium citrate
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LeGuern, C., Marche, P.N. & Kindt, T.J. Molecular evidence for five distinct MHC class II α genes in the rabbit. Immunogenetics 22, 141–148 (1985). https://doi.org/10.1007/BF00563511
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DOI: https://doi.org/10.1007/BF00563511