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. 1989 Dec;123(4):675–682. doi: 10.1093/genetics/123.4.675

Me14, a Yeast Gene Required for Meiotic Recombination

T M Menees 1, G S Roeder 1
PMCID: PMC1203880  PMID: 2693205

Abstract

Mutants at the MEI4 locus were detected in a search for mutants defective in meiotic gene conversion. mei4 mutants exhibit decreased sporulation and produce inviable spores. The spore inviability phenotype is rescued by a spo13 mutation, which causes cells to bypass the meiosis I division. The MEI4 gene has been cloned from a yeast genomic library by complementation of the recombination defect and has been mapped to chromosome V near gln3. Strains carrying a deletion/insertion mutation of the MEI4 gene display no meiotically induced gene conversion but normal mitotic conversion frequencies. Both meiotic interchromosomal and intrachromosomal crossing over are completely abolished in mei4 strains. The mei4 mutation is able to rescue the spore-inviability phenotype of spo13 rad52 strains (i.e., mei4 spo13 rad52 mutants produce viable spores), indicating that MEI4 acts before RAD52 in the meiotic recombination pathway.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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