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. 2021 Feb 8;20:39. doi: 10.1186/s12934-021-01529-y

Fig. 3.

Fig. 3

Succinate titers in the growth medium of Synechocystis strains created in this study in light and darkness. Cells were grown in pre-cultures, then concentrated and incubated for four days in 20 µE m−2 s−1 light (a) or in darkness (b), before determination of succinate titers. BG11 and BG110 corresponds to media with nitrate or without any nitrogen source, respectively. 5 µM of NiCl2 was added for induction of gene expression. Error bars represent the mean ± SD