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Ultrastructure of A. tamarense after exposure to BS02 supernatant with a concentration of 1.5% for 48 h. (A,C,E): Control cell; (B,D,F): treatment cells. Abbreviations: CW, cell wall; Chl, chloroplast; M, mitochondrion; PM, plasma membrane; Bars (A,B) 2 μm; (C–F) 0.5 μm.
