Fig. 6From: Adaptive laboratory evolution of cadmium tolerance in Synechocystis sp. PCC 6803Cross tolerance of WT and ALE-9.0 against other stresses. a Cells growth at 48 and 84 h in normal BG11 medium, 20-µM ZnSO4 or 17-µM CoCl2. b Cells growth at 48, 120. and 192 h under 200-μmol photons m−2 s−1 in normal BG11 medium. c Colors of WT and ALE at 192 h under 200-μmol photons m−2 s−1 in normal BG11 mediumBack to article page