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Mapping HSA10 homologous loci in cattle
1Department of Veterinary Pathology, Texas A&M University, College Station 77843.
Cytogenetics and Cell Genetics
|January 1, 1991
Summary
Comparative gene mapping reveals conserved syntenic regions between human chromosome 10 and cattle. This study elucidates the cattle gene map, identifying bovine syntenic groups for human chromosome 10 loci.
Area of Science:
- Comparative genomics
- Mammalian genetics
- Gene mapping
Background:
- Human chromosome 10 (HSA10) exhibits homology across multiple mouse chromosomes.
- Previous cattle gene mapping defined syntenic group U26 using glutamic-oxaloacetic transaminase 1 (GOT1), a marker for HSA10/MMU19.
Purpose of the Study:
- To physically map seven additional HSA10 homologous loci in cattle.
- To refine the understanding of conserved syntenic arrangements between human and cattle genomes.
Main Methods:
- Segregation analysis using a bovine x hamster hybrid somatic cell panel.
- Physical mapping of seven specific genes (VIM, IL2R, OAT, HK1, RBP3, PLAU, ADRA2) to bovine syntenic groups.
Main Results:
- Vimentin (VIM) and Interleukin 2 Receptor (IL2R) mapped to bovine syntenic group U11.
- Alpha-2-adrenergic Receptor (ADRA2) and Ornithine Aminotransferase (OAT) mapped to U26.
- Retinol-Binding Protein 3 (RBP3), Plasminogen Activator Urokinase Type (PLAU), and Hexokinase 1 (HK1) mapped to U28.
Conclusions:
- The study successfully assigned seven HSA10 homologous loci to specific bovine syntenic groups (U11, U26, U28).
- These findings contribute to the comparative gene mapping efforts, highlighting conserved syntenic blocks between human and cattle.