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. 2016 Aug 18;7:1283. doi: 10.3389/fmicb.2016.01283

FIGURE 6.

FIGURE 6

Anabaena ΔntrC mutant is sensitive to heat shock. (A,C) Growth of WT and ΔntrC strains under high temperature conditions, 45°C (A) and 50°C (C). Growth was monitored by measuring chlorophyll content. WT and ΔntrC strains were grown until the exponential phase, diluted to 3 μg chlorophyll mL-1 and then, the high temperature treatment was applied. (B,D) Histogram representation of the growth recovery rate at normal growth temperature (30°C) for WT and ΔntrC strains 24 h after heat shock treatment at 45°C (B) and 50°C (D). Both strains were subjected to heat shock during the indicated time and the growth ratios after 24 h between treated and untreated cells were calculated. Error bars show SE (n = 3). Asterisks indicate significant differences (∗P < 0.05 and ∗∗P < 0.01) compared with the corresponding wild type.