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Membrane and nucleoid staining in M. penetrans strain GTU-54-6A1. DiOC6 fluorescence (A) and a corresponding phase-contrast image (B) are shown. Arrows, filamentous structures connecting individual cell bodies. (C) White DAPI fluorescence is overlaid onto a phase-contrast image of a pair of dividing cells. Arrowheads, attachment organelles lacking DNA. Scale bar, 1 μm.
