Activation of Photosynthesis and Resistance to Photoinhibition in Cyanobacteria within Biological Desert Crust1[w] From: Plant Physiology | Date: October 1, 2004| Author: Kaplan, Aaron; Ohad, Itzhak; Harel, Yariv | Copyright American Society of Plant Physiologists Oct 2004. Provided by ProQuest LLC.Copyright information

Filamentous cyanobacteria are the main primary producers in biological desert sand crusts. The cells are exposed to extreme environmental conditions including temperature, light, and diurnal desiccation/rehydration cycles. We have studied the kinetics of activation of photosynthesis during rehydration of the cyanobacteria, primarily Microcoleus sp., within crust samples collected in the Negev desert, Israel. We also investigated their susceptibility to photoinhibition. Activation of the photo...

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