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. Author manuscript; available in PMC: 2013 Feb 1.
Published in final edited form as: Mol Microbiol. 2012 Jan 11;83(3):654–664. doi: 10.1111/j.1365-2958.2011.07958.x

Fig. 3.

Fig. 3

Proteins encoded by the non-esx1 genes saeA-C are essential for ESX-1 function and localize to discrete foci at the cell pole. (A) Genetic map of the sae operon and flanking genes. (B) A wide field FITC image (left panel) showing polar localization of YFP-tagged SaeC, and enlarged images of wild-type bacteria featured in the boxed areas. (C) Merged images of a single cell showing YFP-tagged SaeC fluorescing at a cell pole. (D) YFP-tagged SaeA is also localized to cell poles. 630× total magnification.