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Reference: Latypov VF, et al. (2010) [The Rdh54 protein role in regulation of DNA repair in yeast Saccharomyces cerevisiae] Genetika 46(2):194-202

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Abstract


In this work, we present the evidences of the involvement of Rdh54 in coordination of DNA repair by several pathways. Previously, we isolated rdh54-29 point mutation demonstrating unique properties different from the full deletion of RDH54 gene. Epistatic interaction between rdh54-29 and apn1delta mutations discloses the function of Rdh54p in the process of base excision repair. However, rdh54-29 mutant exhibits sensitivity to many DNA damaging agents including UV light, methylmethanesulphonate and nitrous acid. Such pleiotrophic effect of rdh54-29 mutation may indicate the role of Rdh54p in the regulation of different DNA repair systems. To check this hypothesis, we estimated the effect of rdh54-29 mutation on recombination and mutagenesis. The data confirm the involvement of Rdh54p in coordination of different DNA repair systems including mutagenic and recombinagenic pathways as well as nucleotide excision repair. Rdh54p presumably operates via chromatin remodulation at the site of damage rendering DNA accessible to the DNA repair enzymes.FAU - Latypov, V.

Reference Type
Journal Article | Research Support, Non-U.S. Gov't | English Abstract
Authors
Latypov VF, Kozhina TN, Kozhin SA, Korolev VG
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