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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Two homologous zinc finger genes identified by multicopy suppression in a SNF1 protein kinase mutant of Saccharomyces cerevisiae.

The MSN2 gene was selected as a multicopy suppressor in a temperature-sensitive SNF1 protein kinase mutant of Saccharomyces cerevisiae. MSN2 encodes a Cys2His2 zinc finger protein related to the yeast MIG1 repressor and to mammalian early growth response and Wilms' tumor zinc finger proteins. Deletion of MSN2 caused no phenotype. A second similar zinc finger gene, MSN4, was isolated, and deletion of both genes caused phenotypic defects related to carbon utilization. Overexpression of the zinc finger regions was deleterious to growth. LexA-MSN2 and LexA-MSN4 fusion proteins functioned as strong transcriptional activators when bound to DNA. Functional roles of this zinc finger protein family are discussed.[1]


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