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Infection in a dish: high-throughput analyses of bacterial pathogenesis.

C. Kurz,J. Ewbank,J. Ewbank

Published 2007 in Current Opinion in Microbiology

ABSTRACT

Diverse aspects of host-pathogen interactions have been studied using non-mammalian hosts such as Dictyostelium discoideum, Caenorhabditis elegans, Drosophila melanogaster and Danio rerio for more than 20 years. Over the past two years, the use of these model hosts to dissect bacterial virulence mechanisms has been expanded to include the important human pathogens Vibrio cholerae and Yersinia pestis. Innovative approaches using these alternative hosts have also been developed, enabling the isolation of new antimicrobials through screening large libraries of compounds in a C. elegans Enterococcus faecalis infection model. Host proteins required by Mycobacterium and Listeria during their invasion and intracellular growth have been uncovered using high-throughput dsRNA screens in a Drosophila cell culture system, and immune evasion mechanisms deployed by Pseudomonas aeruginosa during its infection of flies have been identified. Together, these reports further illustrate the potential and relevance of these non-mammalian hosts for modelling many facets of bacterial infection in mammals.

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