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Representative CLSM micrographs of control algal cells (A) or cells treated with prodigiosin (5 μg/mL) for 12, 24, 36, 48, and 72 h (B–F). Chlorophyll autofluorescence is shown in red, and the nucleus stained with 4′,6-diamidino-2-phenylindole (DAPI) is shown in blue. Scale bar = 5 μm.
