J 2013

Role of PCNA and TLS polymerases in D-loop extension during homologous recombination in humans

ŠEBESTA, Marek, Peter BURKOVICS, Szilvia JUHASZ, Sufang ZHANG, Judit SZABO et. al.

Basic information

Original name

Role of PCNA and TLS polymerases in D-loop extension during homologous recombination in humans

Authors

ŠEBESTA, Marek (703 Slovakia, belonging to the institution), Peter BURKOVICS (348 Hungary, belonging to the institution), Szilvia JUHASZ (348 Hungary), Sufang ZHANG (840 United States of America), Judit SZABO (348 Hungary, belonging to the institution), Marietta Y. W. T. LEE (840 United States of America), Lajos HARACSKA (348 Hungary) and Lumír KREJČÍ (203 Czech Republic, guarantor, belonging to the institution)

Edition

DNA Repair, AMSTERDAM, ELSEVIER SCIENCE BV, 2013, 1568-7864

Other information

Language

English

Type of outcome

Článek v odborném periodiku

Field of Study

Genetics and molecular biology

Country of publisher

Netherlands

Confidentiality degree

není předmětem státního či obchodního tajemství

Impact factor

Impact factor: 3.362

RIV identification code

RIV/00216224:14110/13:00066407

Organization unit

Faculty of Medicine

UT WoS

000323468400001

Keywords in English

TLS polymerases; Homologous recombination; DNA repair synthesis; D-loop; Reconstitution

Tags

Tags

International impact, Reviewed
Změněno: 11/1/2014 12:17, Ing. Mgr. Věra Pospíšilíková

Abstract

V originále

Homologous recombination (HR) is essential for maintaining genomic integrity, which is challenged by a wide variety of potentially lethal DNA lesions. Regardless of the damage type, recombination is known to proceed by RAD51-mediated D-loop formation, followed by DNA repair synthesis. Nevertheless, the participating polymerases and extension mechanism are not well characterized. Here, we present a reconstitution of this step using purified human proteins. In addition to Pol delta, TLS polymerases, including Pol eta and Pol kappa, also can extend D-loops. In vivo characterization reveals that Pol eta and Pol kappa are involved in redundant pathways for HR. In addition, the presence of PCNA on the D-loop regulates the length of the extension tracks by recruiting various polymerases and might present a regulatory point for the various recombination outcomes.

Links

EE2.3.20.0011, research and development project
Name: Centrum výzkumu pluripotentních buněk a nestability genomu
GAP207/12/2323, research and development project
Name: Endonuleazová a translokázová aktivita v restričních-modifikáčních komplexéch typu I
Investor: Czech Science Foundation
GA13-26629S, research and development project
Name: SUMO a stability genomu
Investor: Czech Science Foundation