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Characterization of insertion mutations in the Saccharomyces cerevisiae MSH1 and MSH2 genes : evidence for separate mitochondrial and nuclear functions .
 GENE: Saccharomyces cerevisiae MSH1; GENE: MSH2 genes
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 GENE: Saccharomyces cerevisiae MSH1; GENE: MSH2 genes