Differences between the radiation hydrid and genetic linkage maps of bovine Chromosome 5 resolved with a quasi-phylogenetic method of analysis

Differences between the radiation hydrid and genetic linkage maps of bovine Chromosome 5 resolved... Two major differences were detected in gene order between the radiation hybrid map and the genetic linkage map of bovine Chromosome (Chr) 5, and these were resolved by analyzing the raw radiation hybrid data by a quasi-phylogenetic method. Seventeen loci were typed on the new cattle whole genome radiation hybrid panel. Most of these loci are framework loci and include AGLA293, BM315, BM6026, BP1, BZRP, CD9, CSSM22, CSSM34, CYP2D@, ETH2, ETH10, ETH152, IGF1, LALBA, SLC2A3, SYT1, and TPI1. BP1 was found to be closer to the centromere than either BM6026 or SYT1 with two standard computer software packages for analyzing radiation hybrid panel data. This is inconsistent with any of the genetic linkage maps as well as their consensus. CYP2D@ was placed between ETH2 and BZRP, and this is also inconsistent with the genetic linkage maps, since CYP2D@ should be the most telomeric of the loci tested in this study. Resolution was reached by analyzing the raw radiation hybrid data for clones that bind some but not all of the loci, and the binding pattern was more consistent with the linkage maps and less consistent with the software-generated radiation hybrid map. The comparative mapping data confirm the relative inversion of gene order of SYT1 compared with humans and mice. A non-polymorphic fragment for CD9 indicates the conservation of gene order for three loci located on human Chr 12p. The genes of bovine Chr 5 conserved on human Chr 12p are located separately from the genes conserved on human Chr 12q. It is recommended that the raw data for radiation hybrid maps be made publicly available so that conflicts in gene order can be evaluated explicity. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Mammalian Genome Springer Journals

Differences between the radiation hydrid and genetic linkage maps of bovine Chromosome 5 resolved with a quasi-phylogenetic method of analysis

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Copyright © 2000 by Springer-Verlag New York Inc.
Life Sciences; Cell Biology; Animal Genetics and Genomics; Human Genetics
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