Review

ThANKs for the repeat: Intracellular pathogens exploit a common eukaryotic domain

Volume 1, Issue 4   July - December 2011
Pages 128 - 132
http://dx.doi.org/10.4161/cl.1.4.18738
Authors: Daniel Voth

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Abstract:

Bacterial pathogens are renowned cell biologists that subvert detrimental host responses by manipulating eukaryotic protein function. A select group of pathogens use a specialized type IV secretion system (T4SS) as a conduit to deliver an arsenal of proteins into the host cytosol where they interact with host proteins. The translocated "effectors" have garnered increased attention because they uncover novel aspects of host-pathogen interactions at the subcellular level. This review presents a group of effectors termed Anks that possess eukaryotic-like ankyrin repeat domains that mediate protein-protein interactions and are critical for effector function. Interestingly, most known prokaryotic Anks are produced by bacteria that devote much of their time to replicating inside eukaryotic cells. Ank proteins represent a fascinating and versatile family of effectors exploited by bacterial pathogens and are proving useful as tools to study eukaryotic cell biology.

Note: An editorial about this paper can be found online at: www.landesbioscience.com/journals/cellularlogistics/article/18984

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