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. 2018 Apr 24;9(2):e00360-18. doi: 10.1128/mBio.00360-18

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Copyright © 2018 Wu et al.

This is an open-access article distributed under the terms of the Creative Commons Attribution 4.0 International license.

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FIG 2 — Microscopic studies of the ftsX and envC mutants. (A) Cell morphology of wild-type (WT) F. nucleatum and its isogenic derivatives was analyzed by phase-contrast microscopy. Bars, 2 µm. (B to F) Fusobacterial cells of wild-type (B), ΔftsX (C and D), and ΔenvC (E and F) strains were immobilized on carbon-coated nickel grids and stained with 1% uranyl acetate prior to viewing with a transmission electron microscope. Enlarged areas of panels C and E are shown in panels D and F. Bars, 0.5 µm.