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dc.contributor.authorGiroux, Xavier
dc.contributor.authorMacNeill, Stuart
dc.identifier.citationGiroux , X & MacNeill , S 2015 , ' A novel archaeal DNA repair factor that acts with the UvrABC system to repair mitomycin C-induced DNA damage in a PCNA-dependent manner ' , Molecular Microbiology , vol. 99 , no. 1 , pp. 1-14 .
dc.identifier.otherORCID: /0000-0002-0555-0007/work/39107857
dc.descriptionThis work was supported by the USAF Office of Scientific Research under award number FA9550-10-1-0421.en
dc.description.abstractThe sliding clamp PCNA plays a vital role in a number of DNA repair pathways in eukaryotes and archaea by acting as a stable platform onto which other essential protein factors assemble. Many of these proteins interact with PCNA via a short peptide sequence known as a PIP (PCNA interacting protein) motif. Here we describe the identification and functional analysis of a novel PCNA interacting protein NreA that is conserved in the archaea and which has a PIP motif at its C-terminus. Using the genetically tractable euryarchaeon Haloferax volcanii as a model system, we show that the NreA protein is not required for cell viability but that loss of NreA (or replacement of the wild-type protein with a truncated version lacking the C-terminal PIP motif) results in an increased sensitivity to the DNA damaging agent mitomycin C (MMC) that correlates with delayed repair of MMC-induced chromosomal DNA damage monitored by pulsed-field gel electrophoresis (PFGE). Genetic epistasis analysis in Hfx. volcanii suggests that NreA works together with the UvrABC proteins in repairing DNA damage resulting from exposure to MMC. The wide distribution of NreA family members implies an important role for the protein in DNA damage repair in all archaeal lineages.
dc.relation.ispartofMolecular Microbiologyen
dc.subjectDNA repairen
dc.subjectSliding clampen
dc.subjectDouble-strand breaksen
dc.subjectQR Microbiologyen
dc.titleA novel archaeal DNA repair factor that acts with the UvrABC system to repair mitomycin C-induced DNA damage in a PCNA-dependent manneren
dc.typeJournal articleen
dc.contributor.institutionUniversity of St Andrews. Biomedical Sciences Research Complexen
dc.contributor.institutionUniversity of St Andrews. School of Biologyen
dc.description.statusPeer revieweden

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