Felicity Z. Watts

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The Schizosaccharomyces pombe homologue of Mre11, Rad32, is required for repair of UV- and ionising radiation-induced DNA damage and meiotic recombination. In this study we have investigated the role of Rad32 and other DNA damage response proteins in non-homologous end joining (NHEJ) and telomere length maintenance in S.pombe. We show that NHEJ in S.pombe(More)
The rad9.192 DNA repair mutant from the fission yeast, Schizosaccharomyces pombe, is sensitive to both UV and ionising radiation. The rad9 gene has been cloned by complementation of the gamma-ray sensitivity of the mutant cell line. A 4.3 kb HindIII fragment was found to confer resistance to both types of radiation. The region of complementation was further(More)
SUMO is a ubiquitin-like protein that is post-translationally attached to one or more lysine residues on target proteins. Despite having only 18% sequence identity with ubiquitin, SUMO contains the conserved betabetaalphabetabetaalphabeta fold present in ubiquitin. However, SUMO differs from ubiquitin in having an extended N-terminus. In S. pombe the(More)
The S. pombe Rad60 protein is required for the repair of DNA double strand breaks, recovery from replication arrest, and is essential for cell viability. It has two SUMO-like domains (SLDs) at its C-terminus, an SXS motif and three sequences that have been proposed to be SUMO-binding motifs (SBMs). SMB1 is located in the middle of the protein, SBM2 is in(More)
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