Mapping HSA 3 loci in cattle: additional support for the ancestral synteny of HSA 3 and 21.
Homologs to genes residing on human chromosome 3 (HSA 3) map to four mouse chromosomes (MMU) 3, 6, 9, and 16. In the bovine, two syntenic groups that contain HSA 3 homologs, unassigned syntenic groups 10 (U10) and 12 (U12), have been defined. U10 also contains HSA 21 genes, which is similar to the situation seen on MMU 16, whereas U12 apparently contains only HSA 3 homologs. The syntenic arrangement of other HSA 3 homologs in the bovine was investigated by physically mapping five genes through segregation analysis of a bovine-hamster hybrid somatic cell panel. The genes mapped include Friend-murine leukemia virus integration site 3 homolog ( FIM3; HSA 3/MMU 3), sucrase-isomaltase (SI) and glutathione peroxidase 1 ( GPX1) (HSA 3/MMU ?), murine leukemia viral (v-raf-1) oncogene homolog 1 (RAF1; HSA 3/MMU 6), and ceruloplasmin (CP; HSA 3/MMU 9). FIM3, SI, and CP mapped to bovine syntenic group U10, while RAF1 and GPX1 mapped to U12.[1]References
- Mapping HSA 3 loci in cattle: additional support for the ancestral synteny of HSA 3 and 21. Threadgill, D.S., Womack, J.E. Genomics (1991) [Pubmed]
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