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Checkpoints are cellular surveillance and signaling pathways that regulate responses to DNA damage and perturbations of DNA replication. Here we show that high levels of sumoylated Rad52 are present in the mec1 sml1 and rad53 sml1 checkpoint mutants exposed to DNA damaging agents such as methyl meth...
ORGANISM(S): Saccharomyces cerevisiae 
Collisions of the transcription and replication machineries on the same DNA strand can pose a significant threat to genomic stability. These collisions occur in part due to the formation of RNA-DNA hybrids termed R-loops, in which a newly transcribed RNA molecule hybridizes with the DNA template str...
ORGANISM(S): Homo sapiens (Human) 
2024-08-25 | PXD054611 | Pride
A PTM known as sumoylation, manifested by an attachment of a SUMO molecule (small ubiquition-like modifier) to target proteins, may lead to changes in the tagged protein’s function, localization or stability. This PTM is present in all eukaryotes. In fission yeast, Rad52 is a DNA repair mediator pro...
ORGANISM(S): Schizosaccharomyces pombe 
2025-10-31 | PXD055556 | Pride
ChIP-on-chip Rad52 in early S phase (time 60min)
Homologous recombination (HR) repairs double-stranded DNA breaks (DSBs). The DSBs are resected to yield single-stranded DNA (ssDNA) that are coated by Replication Protein A (RPA). Rad51 is a recombinase and catalyzes strand invasion and the search for homology. However, it binds to ssDNA with lower ...
ORGANISM(S): Saccharomyces cerevisiae (Baker's yeast) 
2025-07-28 | PXD065573 | Pride
Checkpoints are cellular surveillance and signaling pathways that regulate responses to DNA damage and perturbations of DNA replication. Here we show that high levels of sumoylated Rad52 are present in the mec1 sml1 and rad53 sml1 checkpoint mutants exposed to DNA damaging agents such as methyl meth...
ORGANISM(S): Saccharomyces cerevisiae 
2009-05-26 | GSE14761 | GEO
ChIP-on-chip Rad52 in unperturbed S phase (no HU treatment)
Genome-wide Rad52 chromatin association in S. pombe following depletion of Swi1
PolySUMOylation of PCNA and Rad52 restricts centromeric recombination in fission yeast
Although Poly(ADP-ribose)-polymerases (PARPs) are key regulators of genome stability, how site-specific ADP-ribosylation regulates DNA repair is unclear. Here, we describe a novel role for PARP1 and PARP2 in regulating Rad52-dependent replication fork repair to maintain cell viability when HR is dys...
ORGANISM(S): Homo sapiens (Human) 
2023-10-24 | PXD035661 | Pride
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