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| Content Provider | PubMed Central |
|---|---|
| Author | Clarke, L. Amstutz, H. Fishel, B. Carbon, J. |
| Abstract | The Schizosaccharomyces pombe centromere-linked genes, LYS1 and CYH1 on chromosome I and TPS13 and RAN1 on chromosome II, have been isolated. The genetic order of these markers with respect to their centromeres was determined to establish relative directionality on the genetic and physical maps. Chromosome walking toward the centromeres reveals a group of repetitive sequences that occur only in the centromere regions of chromosomes I and II and at one other specific location in the S. pombe genome, presumably the centromere of chromosome III. The major class of large repeated sequence elements is 6.4 kilobases (kb) long (repeat K), portions of which occur at least twice on chromosome II and in several tandemly arranged intact copies at another centromeric location. Repeat K in turn contains groups of smaller repeats. Genetic recombination is strongly suppressed in the centromere II region, which contains at least 30 kb of repeated sequences. Centromeric DNA organization is much more complex in fission yeast than has been described in budding yeast (Saccharomyces cerevisiae), possibly because of the larger more condensed nature of the S. pombe chromosomes. |
| Starting Page | 8253 |
| File Format | |
| ISSN | 10916490 |
| e-ISSN | 10916490 |
| Journal | Proceedings of the National Academy of Sciences of the United States of America |
| Issue Number | 21 |
| Volume Number | 83 |
| Language | English |
| Publisher Date | 1986-11-01 |
| Access Restriction | Open |
| Subject Keyword | Research in Higher Education |
| Content Type | Text |
| Resource Type | Article |
| Subject | Multidisciplinary |
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