A high‐resolution comparative radiation hybrid map of ovine chromosomal regions that are homologous to human chromosome 6 (HSA6)
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In this study, we constructed high-resolution radiation hybrid (RH) and comparative maps of ovine chromosomes or chromosomal segments that are homologous to human chromosome 6 (HSA6). A total of 251 markers were successfully genotyped across the recently developed USUoRH5000 whole-genome panel; 208 of these markers were assigned to five RH linkage groups distributed on three ovine chromosomes (OAR8, 9 and 20). The RH maps have good correspondence with previous chromosome painting data, although a small centromeric region on OAR9 that is homologous to HSA6 had not been previously detected using human chromosome paints on ovine chromosomal spreads. High percentages of the ovine markers were identified as orthologues in the bovine (86.3%), dog (85.8%), horse (69.3%) and human (88.7%) genomes. These maps contribute to investigations in mammalian chromosome evolution and the search for economic trait loci in sheep.
author list (cited authors)
Wu, C. H., Nomura, K., Goldammer, T., Hadfield, T., Dalrymple, B. P., McWilliam, S., ... Cockett, N. E.
complete list of authors
Wu, CH||Nomura, K||Goldammer, T||Hadfield, T||Dalrymple, BP||McWilliam, S||Maddox, JF||Womack, JE||Cockett, NE