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Published on: January 14, 2017
Inhibitors of bacterial immune systems: discovery, mechanisms and applications
David Mayo-Muñoz1,2,3, Rafael Pinilla-Redondo4,5, Sarah Camara-Wilpert6
1Department of Microbiology and Immunology, University of Otago, Dunedin, New Zealand.
Abstract:
To contend with the diversity and ubiquity of bacteriophages and other mobile genetic elements, bacteria have developed an arsenal of immune defence mechanisms. Bacterial defences include CRISPR-Cas, restriction-modification and a growing list of mechanistically diverse systems, which constitute the bacterial 'immune system'. As a response, bacteriophages and mobile genetic elements have evolved direct and indirect mechanisms to circumvent or block bacterial defence pathways and ensure successful infection. Recent advances in methodological and computational approaches, as well as the increasing availability of genome sequences, have boosted the discovery of direct inhibitors of bacterial defence systems. In this Review, we discuss methods for the discovery of direct inhibitors, their diverse mechanisms of action and perspectives on their emerging applications in biotechnology and beyond.
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