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. Author manuscript; available in PMC: 2010 Feb 1.
Published in final edited form as: Curr Opin Microbiol. 2009 Feb;12(1):94–100. doi: 10.1016/j.mib.2008.12.005

Figure 2.

Figure 2

Genes of Y. enterocolitica Biovar 1B that encode effectors translocated into host cells by the Ysa T3SS are dispersed in the genome. Depicted is the chromosome with labels indicating the relative locations of effector-encoding ysp genes and the location of the YSA-PI encoding the Ysa T3SS. The Ysa-PI is within a region of the chromosome rich with other genes implicated in virulence called the plasticity zone (PZ). Plasmid pYV carries genes encoding the Ysc T3SS (Ysc) and the effector Yops. A similar plasmid is present in Y. pestis and Y. pseudotuberculosis.