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The Pgm+ phenotype correlates with enhanced biofilm formation by Y. pseudotuberculosis in vitro. Confocal scanning laser microscopy images of 48-h, 21°C biofilms produced by the Hms− strain Y. pseudotuberculosis PB1 ΔddhD-wzz (A), the Hms+ strain PB1 ΔddhD-wzz(pHMS1.2) (B), and the Hms+ strain Y. pestis KIM6+ (C). The bar corresponds to 100 μm.
