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Effect of bacterial PE on the morphogenesis of mfeA-null cells. Morphogenesis of mfeA-null cells was monitored on a filter after cultivation in axenic medium HL5 supplemented with bacterial PE (a and b) or dipalmitoyl PE (c and d). It is clearly shown that bacterial PE that contains abundant CFAs suppressed the mutant development. The pictures were taken at 16 (a and c) and 22 (b and d) h of starvation. Scale bar, 0.5 mm.
