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. 2017 Jul 12;12(7):e0180340. doi: 10.1371/journal.pone.0180340

Fig 4. Expression from candidate PSPTO_1043 promoters in the presence of 1O2.

Fig 4

WT (blue and red) or ΔPSPTO_1043/1042 (green or purple) strains carrying promoter-lux fusions were grown in the presence of 2.5μM Rose Bengal under light (red and purple) or dark (blue and green) conditions. In the presence of light 1O2 is produced. As a control WT cells were grown in the presence of light, but without Rose Bengal (grey).