Heat stress: an overview of molecular responses in photosynthesis

In this review we summarize the recent progress in the studies of molecular mechanisms involved during moderate heat stress on the photosynthetic machinery, especially in photosystem II

Suleyman I. Allakhverdiev

2008

Scholarcy highlights

  • The primary targets of thermal damage in plants are the oxygen evolving complex along with the associated cofactors in photosystem II, carbon fixation by Rubisco and the ATP generating system
  • Recent investigations on the combined action of moderate light intensity and heat stress suggest that moderately high temperatures do not cause serious PSII damage but inhibit the repair of PSII
  • Membrane linked sensors seem to trigger the accumulation of compatible solutes like glycinebetaine in the neighborhood of PSII membranes
  • In this review we summarize the recent progress in the studies of molecular mechanisms involved during moderate heat stress on the photosynthetic machinery, especially in PSII
  • Nishiyama Y, Allakhverdiev SI, Murata N A new paradigm for the action of reactive oxygen species in the photoinhibition of photosystem II

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