Functional association of poly(ADP-ribose) polymerase with DNA polymerase alpha-primase complex: a link between DNA strand break detection and DNA replication. 1998

F Dantzer, and H P Nasheuer, and J L Vonesch, and G de Murcia, and J Ménissier-de Murcia
UPR 9003 du Centre National de la Recherche Scientifique 'Cancérogenèse et Mutagenèse Moléculaire et Structurale', Laboratoire correspondant du CEA no. 14, Ecole Supérieure de Biotechnologie de Strasbourg, Illkirch-Graffenstaden, France.

Poly(ADP-ribose) polymerase (PARP) is an element of the DNA damage surveillance network evolved by eukaryotic cells to cope with numerous environmental and endogenous genotoxic agents. PARP has been found to be involved in vivo in both cell proliferation and base excision repair of DNA. In this study the interaction between PARP and the DNA polymerase alpha-primase tetramer has been examined. We provide evidence that in proliferating cells: (i) PARP is physically associated with the catalytic subunit of the DNA polymerase alpha-primase tetramer, an association confirmed by confocal microscopy, demonstrating that both enzymes are co-localized at the nuclear periphery of HeLa cells; (ii) this interaction requires the integrity of the second zinc finger of PARP and is maximal during the S and G2/M phases of the cell cycle; (iii) PARP-deficient cells derived from PARP knock-out mice exhibited reduced DNA polymerase activity, compared with the parental cells, a reduction accentuated following exposure to sublethal doses of methylmethanesulfonate. Altogether, the present results strongly suggest that PARP participates in a DNA damage survey mechanism implying its nick-sensor function as part of the control of replication fork progression when breaks are present in the template.

UI MeSH Term Description Entries
D007700 Kinetics The rate dynamics in chemical or physical systems.
D008938 Mitosis A type of CELL NUCLEUS division by means of which the two daughter nuclei normally receive identical complements of the number of CHROMOSOMES of the somatic cells of the species. M Phase, Mitotic,Mitotic M Phase,M Phases, Mitotic,Mitoses,Mitotic M Phases,Phase, Mitotic M,Phases, Mitotic M
D008954 Models, Biological Theoretical representations that simulate the behavior or activity of biological processes or diseases. For disease models in living animals, DISEASE MODELS, ANIMAL is available. Biological models include the use of mathematical equations, computers, and other electronic equipment. Biological Model,Biological Models,Model, Biological,Models, Biologic,Biologic Model,Biologic Models,Model, Biologic
D011065 Poly(ADP-ribose) Polymerases Enzymes that catalyze the transfer of multiple ADP-RIBOSE groups from nicotinamide-adenine dinucleotide (NAD) onto protein targets, thus building up a linear or branched homopolymer of repeating ADP-ribose units i.e., POLY ADENOSINE DIPHOSPHATE RIBOSE. ADP-Ribosyltransferase (Polymerizing),Poly ADP Ribose Polymerase,Poly(ADP-Ribose) Synthase,Poly(ADP-ribose) Polymerase,PARP Polymerase,Poly ADP Ribose Transferase,Poly ADP-Ribose Synthase,Poly(ADP-Ribose) Transferase,Poly(ADPR) Polymerase,Poly(ADPribose) Polymerase,Poly ADP Ribose Synthase,Polymerase, PARP,Synthase, Poly ADP-Ribose
D002453 Cell Cycle The complex series of phenomena, occurring between the end of one CELL DIVISION and the end of the next, by which cellular material is duplicated and then divided between two daughter cells. The cell cycle includes INTERPHASE, which includes G0 PHASE; G1 PHASE; S PHASE; and G2 PHASE, and CELL DIVISION PHASE. Cell Division Cycle,Cell Cycles,Cell Division Cycles,Cycle, Cell,Cycle, Cell Division,Cycles, Cell,Cycles, Cell Division,Division Cycle, Cell,Division Cycles, Cell
D002455 Cell Division The fission of a CELL. It includes CYTOKINESIS, when the CYTOPLASM of a cell is divided, and CELL NUCLEUS DIVISION. M Phase,Cell Division Phase,Cell Divisions,Division Phase, Cell,Division, Cell,Divisions, Cell,M Phases,Phase, Cell Division,Phase, M,Phases, M
D004249 DNA Damage Injuries to DNA that introduce deviations from its normal, intact structure and which may, if left unrepaired, result in a MUTATION or a block of DNA REPLICATION. These deviations may be caused by physical or chemical agents and occur by natural or unnatural, introduced circumstances. They include the introduction of illegitimate bases during replication or by deamination or other modification of bases; the loss of a base from the DNA backbone leaving an abasic site; single-strand breaks; double strand breaks; and intrastrand (PYRIMIDINE DIMERS) or interstrand crosslinking. Damage can often be repaired (DNA REPAIR). If the damage is extensive, it can induce APOPTOSIS. DNA Injury,DNA Lesion,DNA Lesions,Genotoxic Stress,Stress, Genotoxic,Injury, DNA,DNA Injuries
D004256 DNA Polymerase I A DNA-dependent DNA polymerase characterized in prokaryotes and may be present in higher organisms. It has both 3'-5' and 5'-3' exonuclease activity, but cannot use native double-stranded DNA as template-primer. It is not inhibited by sulfhydryl reagents and is active in both DNA synthesis and repair. DNA Polymerase alpha,DNA-Dependent DNA Polymerase I,Klenow Fragment,DNA Pol I,DNA Dependent DNA Polymerase I,Polymerase alpha, DNA
D004260 DNA Repair The removal of DNA LESIONS and/or restoration of intact DNA strands without BASE PAIR MISMATCHES, intrastrand or interstrand crosslinks, or discontinuities in the DNA sugar-phosphate backbones. DNA Damage Response
D004261 DNA Replication The process by which a DNA molecule is duplicated. Autonomous Replication,Replication, Autonomous,Autonomous Replications,DNA Replications,Replication, DNA,Replications, Autonomous,Replications, DNA

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