Centromeres of budding and fission yeasts - PubMed (original) (raw)

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Centromeres of budding and fission yeasts

L Clarke. Trends Genet. 1990 May.

Abstract

Centromeres of the budding yeast Saccharomyces cerevisiae are structurally relatively simple, are specified by only about 125 base pairs of DNA, and contain no repeated DNA sequences. The centromere regions in the fission yeast Schizosaccharomyces pombe span many kilobase pairs of DNA and contain repeated DNA sequences that appear to be necessary for full centromere function. A portion of the repeated sequences is organized into a large inverted repeated structure in the centromere region of each S. pombe chromosome. Fission yeast provides an excellent model system for studying the role of repeated DNA sequences in centromere function.

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