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. 2018 Mar 19;9:494. doi: 10.3389/fmicb.2018.00494

FIGURE 2.

FIGURE 2

Mycobacterium tuberculosis RpoB mutation H526D is associated with altered bacillary length and cell wall thickness. The bacillary length (A) and cell wall thickness (B) of the RpoB H526D mutant and its parental strain were evaluated by transmission electron microscopy (TEM) during mid-log-growth-phase (7H9) and after exposure to nutrient starvation for 14 days (14NS). Bars, (A) 2 μm and (B) 100 nm. Dot plot graphs of (C) bacillary length (μm) and (D) cell wall thickness (nm). Each dot represents a measurement for a single bacillus. ∗∗∗∗p < 0.0001, ∗∗p < 0.01, ns: non-significant.