Phenotypic characterization of Synechocystis sp. PCC 6803 substrains reveals differences in sensitivity to abiotic stress - Fig 5

Growth rates of Synechocystis sp. PCC 6803 substrains GT-L (white circles), GT-B (red triangles) and PCC-B (blue squares) under temperatures 23°C—38°C during cultivation in a quasi-continuous regime (A) and after introduction of heat shock of 52°C (B) and 60°C (C) during the batch growth. A–The Q₁₀ coefficient was calculated according to [19], the dashed lines represent linear fitting of the data points by the least squares method in the temperature range 23°C—32°C (23°C—35°C in case of the substrain GT-B). Each point represents average of at least four independent experiments, error bars represent standard errors. B, C—Batch growth was performed at 32°C and the heat shock was introduced by increasing temperature for four hours after the cultures reached OD₆₈₀ 0.7 (the temperature record is marked by dashed line). The batch experiments were performed at least in three biological replicates with quantitatively similar results, data from one representative experiment are shown.