The proximal end of mouse chromosome 17: new molecular markers identify a deletion associated with quakingviable.
Five randomly identified cosmids have been mapped proximal to the Leh66D locus on mouse chromosome 17. Two of these cosmids, Au10 and Au119, map near the neurological mutation quaking. Au119 is deleted in qkviable/qkviable DNA, whereas Au10 is not. Au76 maps to a gene-rich region near the Time locus. The Au76 locus encodes a member of a low copy gene family expressed in embryos, the adult central nervous system and testis. A second member of this family has been mapped to chromosome 15 near c-sis (PDGF-B). At the centromeric end of chromosome 17, Au116 maps near the Tu1 locus, and along with Au217rs identifies a region of unusually high recombinational activity between t-haplotypes and wild-type chromosomes. Au217I and II map to the large inverted repeats found at the proximal end of the wild-type chromosome. In addition, the Au217I and/or II loci encode testis transcripts not expressed from t-haplotypes.
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Department of Zoology, University of Texas, Austin 78712-1064.
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D000818:Animals; D002490:Central Nervous System; D002843:Chromatin; D002872:Chromosome Deletion; D002874:Chromosome Mapping; D002875:Chromosomes; D003360:Cosmids; D004622:Embryo, Mammalian; D005819:Genetic Markers; D006239:Haplotypes; D008297:Male; D051379:Mice; D008821:Mice, Quaking / Q000235:genetics*; D005810:Multigene Family; D009154:Mutation; D011995:Recombination, Genetic; D013737:Testis; D014158:Transcription, Genetic
D002843:Chromatin; D005819:Genetic Markers