Following several criteria, we collected, clustered, and functionally categorized 653 expressed sequence tags (ESTs) of 5' ends from porcine back fat libraries from the >15,000 porcine ESTs collected to date. By searching the LocusLink and Mapviewer database, we knew the positions of these 653 ESTs on human chromosomes (HSAs). Sus scrofa radiation hybrid (SSRH) mapping revealed that 298 porcine EST clusters out of 653 were localized near microsatellite (MS) markers. Among these EST clusters, we could assign 182 to their porcine chromosomes (SSCs) on the SSRH map.
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