http://www.cnr.it/ontology/cnr/individuo/prodotto/ID27432
Human base excision repair complex is physically associated to DNA replication and cell cycle regulatory proteins. (Articolo in rivista)
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- Label
- Human base excision repair complex is physically associated to DNA replication and cell cycle regulatory proteins. (Articolo in rivista) (literal)
- Anno
- 2007-01-01T00:00:00+01:00 (literal)
- Alternative label
Parlanti E, Locatelli G, Maga G, Dogliotti E. (2007)
Human base excision repair complex is physically associated to DNA replication and cell cycle regulatory proteins.
in Nucleic acids research
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- Parlanti E, Locatelli G, Maga G, Dogliotti E. (literal)
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- ISI Web of Science (WOS) (literal)
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- Locatelli G, Maga G: IGM-CNR, Pavia; Parlanti E, Dogliotti E: Section of Molecular Epidemiology, Istituto Superiore di Sanità, Roma (literal)
- Titolo
- Human base excision repair complex is physically associated to DNA replication and cell cycle regulatory proteins. (literal)
- Abstract
- It has been hypothesized that a replication associated repair pathway operates on base damage and single strand breaks (SSB) at replication forks. In this study, we present the isolation from the nuclei of human cycling cells of a multiprotein complex containing most of the essential components of base excision repair (BER)/SSBR, including APE1, UNG2, XRCC1 and POLbeta, DNA PK, replicative POLalpha, delta and epsilon, DNA ligase 1 and cell cycle regulatory protein cyclin A. Co-immunoprecipitation revealed that in this complex DNA repair proteins are physically associated to cyclin A and to DNA replication proteins including MCM7. This complex is endowed with DNA polymerase and protein kinase activity and is able to perform BER of uracil and AP sites. This finding suggests that a preassembled DNA repair machinery is constitutively active in cycling cells and is ready to be recruited at base damage and breaks occurring at replication forks. (literal)
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