PMID:8849883

Citation	Saparbaev, M, Prakash, L and Prakash, S (1996) Requirement of mismatch repair genes MSH2 and MSH3 in the RAD1-RAD10 pathway of mitotic recombination in Saccharomyces cerevisiae. Genetics 142:727-36
Abstract	The RAD1 and RAD10 genes of Saccharomyces cerevisiae are required for nucleotide excision repair and they also act in mitotic recombination. The Rad1-Rad10 complex has a single-stranded DNA endonuclease activity. Here, we show that the mismatch repair genes MSH2 and MSH3 function in mitotic recombination. For both his3 and his4 duplications, and for homologous integration of a linear DNA fragment into the genome, the msh3 delta mutation has an effect on recombination similar to that of the rad1 delta and rad10 delta mutations. The msh2 delta mutation also reduces the rate of recombination of the his3 duplication and lowers the incidence of homologous integration of a linear DNA fragment. Epistasis analyses indicate that MSH2 and MSH3 function in the RAD1-RAD10 recombination pathway, and studies presented here suggest an involvement of the RAD1-RAD10 pathway in reciprocal recombination. The possible roles of Msh2, Msh3, Rad1, and Rad10 proteins in genetic recombination are discussed. Coupling of mismatch binding proteins with the recombinational machinery could be important for ensuring genetic fidelity in the recombination process.
Links	PubMed PMC1207014
Keywords	Adaptor Proteins, Signal Transducing; Adenosine Triphosphatases; DNA Repair; DNA Repair Enzymes; DNA-Binding Proteins/genetics; Endonucleases/genetics; Fungal Proteins/genetics; Gene Expression Regulation, Fungal; Mitosis; MutS Homolog 2 Protein; Proteins/genetics; Recombination, Genetic; Saccharomyces cerevisiae/genetics; Saccharomyces cerevisiae Proteins; Signal Transduction/genetics; Single-Strand Specific DNA and RNA Endonucleases
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Gene product	Qualifier	GO ID	GO term name	Evidence Code	with/from	Aspect	Notes	Status
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