Abstract
We have updated the history of the AXB and BXA recombinant inbred (RI) strains, typed additional loci, and edited the AXB, BXA RI database. Thirteen of the original 51 AXB and BXA RI strains are either extinct or genetically contaminated, leaving 33 living strains available from The Jackson Laboratory. However, we found a high degree of similarity among three sets of strains, indicating that these strains are not independent, which leaves 27 independent RI strains in the set. Accordingly, we modified the database by combining the AXB and BXA RI sets and eliminating strains that were genetically contaminated or extinct with no available DNA. We added 92 newly typed loci, retyped some questionable genotypings, and removed loci with excessive double crossovers or an insufficient number of typed strains. The edited strain distribution pattern (SDP) is available on the World Wide Web (WWW) (http://www. informatics.jax.org/riset.html) and now includes over 700 loci. Each locus is linked to adjacent loci with a LOD score of at least 3.0 with a few described exceptions. We also carried out a second editing designed for the analysis of quantitative trait loci by deleting extinct strains and loci with identical SDPs; this edited database is also available on the WWW.
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Schedule a callMore From: Mammalian genome : official journal of the International Mammalian Genome Society
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