A comparative map of the porcine and human genomes demonstrates ZOO-FISH and gene mapping-based chromosomal homologies

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Abstract
ZOO-FISH with chromosome-specific DNA libraries (CSLs) from individual flow-sorted human chromosomes was applied on porcine metaphase chromosomes to establish segment homology between the pig and human karyotypes. Forty-seven porcine chromosomal segments corresponding to all human chromosomes except the Y were delineated, resulting in a nearly complete coverage of the porcine karyotype. The syntenic segments detected were further confirmed by the gene mapping information available in the two species. A map demarcating physical boundaries of human homologies on individual pig chromosomes is complemented with a detail survey of the physical and genetic linkage mapping data in the two species. The resultant map, thus, provides a comprehensive and updated comparative status of the human and porcine genomes.