Rearrangement of the genetic map of chromosome VII of Saccharomyces cerevisiae.
The genetic map of the right arm of chromosome VII of Saccharomyces cerevisiae includes markers on a distal segment for which meiotic linkage to the centromere-proximal marker cly8 has not previously been demonstrated. According to the currently accepted map, SUF4 is the most distal marker on the right arm. We have shown by tetrad analysis that SUF4 is linked to cly8 and ade6. The genetic distance between SUF4 and cly8 is 29 cM. These data indicate that the genetic map of the right arm of chromosome VII should be revised by inverting the orientation of the distal segment so that SUF4 is located near cly8, and SUC1 and MAL1 are the most distal markers. With this revision, all of the polymeric fermentation markers that have been mapped are located at the ends of chromosomes.[1]References
- Rearrangement of the genetic map of chromosome VII of Saccharomyces cerevisiae. Celenza, J.L., Carlson, M. Genetics (1985) [Pubmed]
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