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We report here on the characterisation of Ulp1, a component of the SUMO modification process in S. pombe. Recombinant S. pombe Ulp1 has de-sumoylating activity; it is involved in the processing of Pmt3 (S. pombe SUMO) and can, to a limited extent, remove Pmt3 from modified targets in S. pombe cell extracts. ulp1 is not essential for cell viability, but(More)
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)
Streptococcus uberis is an increasingly significant cause of intramammary infection in the dairy cow, presently responsible for approximately 33% of all cases of bovine mastitis in the United Kingdom. Following experimentally induced infection of the lactating mammary gland, S. uberis is found predominantly in the luminal areas of secretory alveoli and(More)
SUMO is a small post-translational modifier, that is attached to lysine residues in target proteins. It acts by altering protein-protein interactions, protein localisation and protein activity. SUMO chains can also act as substrates for ubiquitination, resulting in proteasome-mediated degradation of the target protein. SUMO is removed from target proteins(More)
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