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Physical and radiation hybrid mapping of canine chromosome 12, in a region corresponding to human chromosome 6p12-q12

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Physical and radiation hybrid mapping of canine chromosome 12, in a region corresponding to human chromosome 6p12-q12 GENOMICS Li, R., Faraco, J. H., Lin, L., Lin, X. Y., Hinton, L., Rogers, W., Lowe, J. K., Ostrander, E. A., Mignot, E. 2001; 73 (3): 299-315

Abstract

The positional cloning of the hypocretin receptor 2, the gene for autosomal recessive canine narcolepsy, has led to the development of a physical map spanning a large portion of canine chromosome 12 (CFA12), in a region corresponding to human chromosome 6p12-q13. More than 40 expressed sequence tags (ESTs) were used in homology search experiments, together with chromosome walking, to build both physical and radiation hybrid maps of the CFA12 13-21 region. The resulting map of bacterial artificial chromosome ends, ESTs, and microsatellite markers represents the longest continuous high-density map of the dog genome reported to date. These data further establish the dog as a system for studying disease genes of interest to human populations and highlight feasible approaches for positional cloning of disease genes in organisms where genomic resources are limited.

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