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Browsing 02.National Laboratory Astana by Author "Ishchenko, Alexander A."

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Aberrant repair initiated by mismatch-specific thymine-DNA glycosylases provides a mechanism for the mutational bias observed in CpG islands

Talhaoui, Ibtissam; Couve, Sophie; Gros, Laurent; Ishchenko, Alexander A.; Matkarimov, Bakhyt; Saparbaev, Murat K. (Nucleic Acids Research, 2014-04-01)

The human thymine-DNA glycosylase (TDG) initiates the base excision repair (BER) pathway to remove spontaneous and induced DNA base damage. It was first biochemically characterized for its ability to remove T mispaired ...
Poly(ADP-ribose) polymerases covalently modify strand break termini in DNA fragments in vitro

Talhaoui, Ibtissam; Lebedeva, Natalia A.; Zarkovic, Gabriella; Saint-Pierre, Christine; Kutuzov, Mikhail M.; Sukhanova, Maria V.; Matkarimov, Bakhyt T.; Gasparutto, Didier; Saparbaev, Murat K.; Lavrik, Olga I.; Ishchenko, Alexander A. (Nucleic Acids Research, 2016-07-28)

Poly(ADP-ribose) polymerases (PARPs/ARTDs) use nicotinamide adenine dinucleotide (NAD+) to catalyse the synthesis of a long branched poly(ADPribose) polymer (PAR) attached to the acceptor amino acid residues of nuclear ...
Structural comparison of AP endonucleases from the exonuclease III family reveals new amino acid residues in human AP endonuclease 1 that are involved in incision of damaged DNA

Redrejo-Rodríguez, Modesto; Vigouroux, Armelle; Mursalimov, Aibek; Grin, Inga; Alili, Doria; Koshenov, Zhanat; Akishev, Zhiger; Maksimenko, Andrei; Bissenbaev, Amangeldy K.; Matkarimov, Bakhyt T.; Saparbaev, Murat; Ishchenko, Alexander A.; Moréra, Solange (Biochimie, 2016-09-01)

Abstract Oxidatively damaged DNA bases are substrates for two overlapping repair pathways: DNA glycosylase-initiated base excision repair (BER) and apurinic/apyrimidinic (AP) endonuclease-initiated nucleotide incision ...