Informace o publikaci

Homologous recombination and its regulation

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KREJČÍ Lumír ALTMANNOVÁ Veronika ŠPÍREK Mário ZHAO Xiaolan

Rok publikování 2012
Druh Článek v odborném periodiku
Časopis / Zdroj Nucleic Acids Research
Fakulta / Pracoviště MU

Lékařská fakulta

Citace
Doi http://dx.doi.org/10.1093/nar/gks270
Obor Genetika a molekulární biologie
Klíčová slova DOUBLE-STRAND-BREAK; REPLICATION PROTEIN-A; DNA-DAMAGE RESPONSE; RAD51 NUCLEOPROTEIN FILAMENTS; SACCHAROMYCES-CEREVISIAE SRS2; CANCER SUSCEPTIBILITY GENE; BLOOMS-SYNDROME HELICASE; JOINT MOLECULE FORMATION; ESCHERICHIA-COLI RECA; HUMAN BRCA2 PROTEIN
Popis Homologous recombination (HR) is critical both for repairing DNA lesions in mitosis and for chromosomal pairing and exchange during meiosis. However, some forms of HR can also lead to undesirable DNA rearrangements. Multiple regulatory mechanisms have evolved to ensure that HR takes place at the right time, place and manner. Several of these impinge on the control of Rad51 nucleofilaments that play a central role in HR. Some factors promote the formation of these structures while others lead to their disassembly or the use of alternative repair pathways. In this article, we review these mechanisms in both mitotic and meiotic environments and in different eukaryotic taxa, with an emphasis on yeast and mammal systems. Since mutations in several proteins that regulate Rad51 nucleofilaments are associated with cancer and cancer-prone syndromes, we discuss how understanding their functions can lead to the development of better tools for cancer diagnosis and therapy.
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