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. 1997 Aug;146(4):1253–1264. doi: 10.1093/genetics/146.4.1253

A Wd Repeat Protein, Rec14, Essential for Meiotic Recombination in Schizosaccharomyces Pombe

D H Evans 1, Y F Li 1, M E Fox 1, C R Smith 1
PMCID: PMC1208072  PMID: 9258671

Abstract

Mutations in the Schizosaccharomyces pombe rec14 gene reduce meiotic recombination by as much as a factor of 1000 in the three intervals tested on chromosomes I and III. A DNA clone complementing the rec14 mutation was shown by genetic and physical analysis to contain the rec14 gene, which was functional in plasmid-borne inserts as small as 1.4 kb. The rec14 gene contains two exons separated by a 53-bp intron, which was confirmed by analysis of rec14 transcripts. The spliced transcript encodes a protein product of 302 amino acids, which contains six WD repeat motifs found in the G-beta transducin family of proteins and other proteins, including the Saccharomyces cerevisiae Ski8 (Rec103) protein. Although the rec14 transcripts were present in mitotically dividing cells, rec14 mutations had no detectable effect on mitotic recombination. The pattern of expression of rec14 differs from that of previously analyzed S. pombe rec genes. Based upon mutant phenotypes and amino acid sequence similarities, we propose that S. pombe Rec14 is a functional homologue of S. cerevisiae Rec103.

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Selected References

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