Fluorescence-based resource for semiautomated genomic analyses using microsatellite markers.

R. Levitt,M. Kiser,C. Dragwa,A. Jedlicka,J. Xu,D. Meyers,J. Hudson

Published 1994 in Genomics

ABSTRACT

To facilitate the practical application of highly efficient semiautomated methods for general application in genomic analyses, we have developed a fluorescence-based microsatellite marker resource. Ninety highly polymorphic microsatellite markers were combined to provide a rapid, accurate, and highly efficient initial genome-wide screening system. These markers are spaced on average every 33 cM, with a mean heterozygosity of 81% (range 65-94%), covering 22 autosomes and the X and Y chromosomes. Less than 10% of the genome lies beyond 20 cM of the nearest marker. Since this genomic analysis system is fully compatible with automated fragment analyzers using simultaneous four-color fluorescence-based detection systems, the 5 groups of 18 markers can be detected concurrently. This multiplex detection provides a through-put of 1944 genotypes daily per instrument. This system will be highly beneficial in a number of clinical and research applications including linkage, cancer genetics, forensics, and cytogenetics.

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