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Genetics. 1993 May;134(1):81-150.

Physical maps of the six smallest chromosomes of Saccharomyces cerevisiae at a resolution of 2.6 kilobase pairs.

Author information

1
Department of Genetics, Washington University School of Medicine, St. Louis, Missouri 63110.

Abstract

Physical maps of the six smallest chromosomes of Saccharomyces cerevisiae are presented. In order of increasing size, they are chromosomes I, VI, III, IX, V and VIII, comprising 2.49 megabase pairs of DNA. The maps are based on the analysis of an overlapping set of lambda and cosmid clones. Overlaps between adjacent clones were recognized by shared restriction fragments produced by the combined action of EcoRI and HindIII. The average spacing between mapped cleavage sites is 2.6 kb. Five of the six chromosomes were mapped from end to end without discontinuities; a single internal gap remains in the map of chromosome IX. The reported maps span an estimated 97% of the DNA on the six chromosomes; nearly all the missing segments are telomeric. The maps are fully cross-correlated with the previously published SfiI/NotI map of the yeast genome by A. J. Link and M. V. Olson. They have also been cross-correlated with the yeast genetic map at 51 loci.

PMID:
8514151
PMCID:
PMC1205446
[Indexed for MEDLINE]
Free PMC Article

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