Analysis of Restriction Fragment Length Polymorphisms of the Major Histocompatibility Complex of 15I5-B-Congenic Chicken Lines

Date
1990
Authors
Lamont, Susan
Gerndt, Bradley
Lamont, Susan
Warner, C. M.
Bacon, Larry
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Animal Science
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Abstract

Eight 15I5 B-congenic White Leghorn chicken lines, containing haplotypesB 2 , B 5 , B 12, B 13, B 15 , B 19 , and B 21, were subjected to molecular genotyping with chicken B-F (Class I) and B-L (Class II) major histocompatibility complex (MHC) probes. Genomic DNA was digested with restriction enzymes, hybridized with a Class I or Class II probe, and analyzed for restriction fragment length polymorphisms. Digestion withHindIII or EcoRI yielded no B-L polymorphisms. Digestion with PvuII or BglII and hybridization with a B-L or B-F probe produced polymorphisms that were shared between several haplotypes, although the haplotypes with similar patterns were clustered differently between Class I and Class II probes. The genetic variation seen for B-L and B-F probe hybridization ofPvuII digests was much less than that previously demonstrated for B-Gprobing of PvuII digests of the same lines. Description of MHC Class I and II restriction patterns of the well-characterized 15I5 B-congenic lines will aid in identification of genes important in disease resistance.

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<p>This article is from <em>Poultry Science</em> 69 (1990): 1195, doi:<a href="http://dx.doi.org/10.3382/ps.0691195" target="_blank">10.3382/ps.0691195</a>.</p>
Keywords
major histocompatibility complex, restriction fragment length polymorphisms, B-congenic lines, chickens
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