Fig. 3

Colony morphology and growth curve. A Colony morphology of BJ3-2ΔrocF; B colony morphology of BJ3-2; C Gram staining of BJ3-2ΔrocF; D Gram staining of BJ3-2; E Growth curve of BJ3-2 and BJ3-2ΔrocF; Experiments were performed in triplicate; data are presented as means ± standard deviations (n = 3)