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Microbes Infect. 2003 Apr;5(4):301-10.

Type III protein secretion in Pseudomonas syringae.

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Department of Energy Plant Research Laboratory, Michigan State University, East Lansing, MI 48824, USA.


The type III secretion system is an essential virulence system used by many Gram-negative bacterial pathogens to deliver effector proteins into host cells. This review summarizes recent advancements in the understanding of the type III secretion system of Pseudomonas syringae, including regulation of the type III secretion genes, assembly of the Hrp pilus, secretion signals, the putative type III effectors identified to date, and their virulence action after translocation into plant cells.

[Indexed for MEDLINE]

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