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A) Colony size of ΔphoB KP was smaller (1.0±0.15 mm) than the wild-type (3.2±0.7 mm). B) The phoB KP mutant produced smaller strings (0.75±0.02 cm) than wild-type (4.5±0.5 cm). C) Upon centrifugation at 4000 rpm for 3 min; ΔphoB KP formed dense pellet in contrast to WT. D) ΔphoB KP exhibited loss in capsular polysaccharide production as compared to WT.
