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  • Title: A comparative map of interstitial bovine chromosome 5 with human chromosomes 12 and 22.
    Author: Liu Z, Hansen M, Womack JE, Antoniou E.
    Journal: Cytogenet Genome Res; 2003; 101(2):147-54. PubMed ID: 14610356.
    Abstract:
    We have constructed a high-density comparative radiation hybrid map of the interstitial region of bovine chromosome 5 (BTA5) using a recently constructed 12,000-rad, whole-genome, cattle-hamster radiation hybrid (WGRH) panel. Sixty-two bovine EST markers were selected which have orthologous sequences on human chromosomes 12 and 22 (HSA12 and HSA22). Sixty markers were included in the multi-point framework map at LOD 3.0. Our comprehensive RH map contains more than twice as many markers (88) than previous generation maps. Because of a higher marker density and increased resolution of the RH(12,000) panel, all markers were placed into a single linkage group based on two-point analysis at a LOD score 6.0. As a result, this new comparative map reveals new blocks of synteny and extensive gene order alterations between species. Breakpoints of synteny are located with high accuracy. Overall, this work reveals widespread chromosomal rearrangements between bovine, human and mouse genomes.
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