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The DKS completely perished already of incubation
gram2modem


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Joined: 09 Sep 2013
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More important, the double mutant presented prolonged photosynthetic activity and biomass growth during 7 days incubation far above the growth temperature of wild-type. PCC 6803 or the DKS strain that was used as control, but only under LY2109761 TGF-beta inhibitor elevated CO2 conditions. The DKS completely perished already after 6 days of incubation under identical growth conditions. The relatively larger amplitude of the fastest component in the fluorescence decay curves provides an additional support for the enhanced functional stability of the PSIIRC in the AC mutant. Importantly, only when the level of D1 and Rubisco reach respectively, of the content found at room temperature, the rate of biomass growth slowed down. This finding is in agreement with previous studies reporting that photosynthetic organisms with less than 50% of their steady state D1 level LY2157299 TGF-beta inhibitor can still maintain the same rate of biomass formation because of the excess capacity of light-induced electron transfer in PSII. To elucidate the contributions of enhanced PSIIRC photo thermal stability and the rate of repair to the subunit steady-state concentration, we followed the decay of the D1 protein content and the concomitant PSII activity during exposure to high irradiance at 43uC in the presence and absence of lincomycin.  


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The DKS completely perished already of incubation
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