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Fig. 10. AprA helps to prevent the formation of multinucleate cells. (Top row) Cells
growing in shaking culture were fixed with ethanol and stained with DAPI to
show nuclear DNA (the background staining in the cells is mitochondrial DNA).
The bottom row shows phase contrast images of the same cells. Multinucleate
cells (white arrows) are present in the aprA- population.
Scale bar: 20 µm.