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. Author manuscript; available in PMC: 2018 Dec 1.
Published in final edited form as: Mol Microbiol. 2017 Oct 26;106(5):832–846. doi: 10.1111/mmi.13849

Figure 4. Morphological analysis of pneumococcal Δadr cells.

Figure 4

A. Phase contrast microscopy images of WT and Δadr exponentially growing cells in CY medium. Scale bars, 2 μm.

B. Distribution of the length (upper panel) and width parameters (lower panel) of Δadr cells compared to WT cells. Measurements were performed on at least 700 cells based on phase-contrast images using MicrobeTracker.

C. Transmission electron micrographs of thin sections of Δadr cells harvested at mid-exponential growth phase. Scale bars, 200 nm. Arrow heads indicate defective septal initiation sites and arrows point to cell wall peeling and destructurations.