Fig. 3. In ultralow calcium concentration medium, nisin did not cause a spherical distribution that is composed of cytokeratin (CK) 5 and CK17. Slightly sparse CK5 and CK17 intermediate filament distribution were also not induced. 3D images consist of stacked super resolution microscopy images (green) and fluorescence microscopy (blue) along the z-axis. Scale bar represent 10 μm.
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