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- W4224884110 abstract "DNA helicases function in many types of nucleic acid transactions, and as such, they are vital for genome integrity. Although they are often considered individually, work from many groups demonstrates that these enzymes often genetically and biochemically interact in vivo. Here, we highlight methods to interrogate such interactions among the PIF1 (Pif1 and Rrm3) and RecQ (Hrq1 and Sgs1) family helicases in Saccharomyces cerevisiae. The interactions among these enzymes were investigated in vivo using deletion and inactivation alleles with a gross-chromosomal rearrangement (GCR) assay. Further, wild-type and inactive recombinant proteins were used to determine the effects of the helicases on telomerase activity in vitro. We found that synergistic increases in GCR rates often occur in double vs. single mutants, suggesting that the helicases function in distinct genome integrity pathways. Further, the recombinant helicases can function together in vitro to modulate telomerase activity. Overall, the data suggest that the interactions among the members of these DNA helicase families are multipartite and argue for a comprehensive systems biology approach to fully elucidate the physiological interplay between these enzymes." @default.
- W4224884110 created "2022-04-27" @default.
- W4224884110 creator A5028783197 @default.
- W4224884110 creator A5061031479 @default.
- W4224884110 date "2022-08-01" @default.
- W4224884110 modified "2023-10-12" @default.
- W4224884110 title "Genetic and biochemical interactions of yeast DNA helicases" @default.
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- W4224884110 doi "https://doi.org/10.1016/j.ymeth.2022.04.014" @default.
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