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Università della Svizzera italiana

Sumoylation regulates the stability and nuclease activity of Saccharomyces cerevisiae Dna2

Ranjha, Lepakshi ; Levikova, Maryna ; Altmannova, Veronika ; Krejci, Lumir ; Cejka, Petr

In: Communications Biology, 2019, vol. 2, p. 174

Dna2 is an essential nuclease-helicase that acts in several distinct DNA metabolic pathways including DNA replication and recombination. To balance these functions and prevent unscheduled DNA degradation, Dna2 activities must be regulated. Here we show that Saccharomyces cerevisiae Dna2 function is controlled by sumoylation. We map the sumoylation sites to the N-terminal regulatory domain of...

Università della Svizzera italiana

Stepwise 5' DNA end-specific resection of DNA breaks by the Mre11-Rad50-Xrs2 and Sae2 nuclease ensemble

Cannavo, Elda ; Reginato, Giordano ; Cejka, Petr

In: Proceedings of the national academy of sciences of the United States of America, 2019, vol. 116, no. 12 (March 19), p. 5505-5513

To repair DNA double-strand breaks by homologous recombination, the 5′-terminated DNA strands must first be resected to produce 3′ overhangs. Mre11 from Saccharomyces cerevisiae is a 3′ → 5′ exonuclease that is responsible for 5′ end degradation in vivo. Using plasmid-length DNA substrates and purified recombinant proteins, we show that the combined exonuclease and endonuclease...

Consortium of Swiss Academic Libraries

CARD In Situ hybridization: Sights and signals

Speel, Ernst ; Komminoth, Paul

In: Endocrine Pathology, 1999, vol. 10, no. 3, p. 193-198

Consortium of Swiss Academic Libraries

DNA mixtures: biostatistics for mixed stains with haplotypic genetic markers

Fukshansky, N. ; Bär, W.

In: International Journal of Legal Medicine, 2005, vol. 119, no. 5, p. 285-290