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Functional aspects of the photosynthetic light reactions in heat stressed Arabidopsis deficient in digalactosyl-diacylglycerol.

Journal of plant physiology - 1 Sept 2011

Essemine Jemâa, Govindachary Sridharan, Ammar Saïda, Bouzid Sadok, Carpentier Robert

Abstract excerpt

Plants are often submitted, in their natural environment, to various abiotic stresses such as heat stress. However, elevated temperature has a detrimental impact on overall plant growth and development. We have examined the physiological response of the dgd1-2 and dgd1-3 Arabidopsis mutants lacking 30-40% of digalactosyl-diacylglycerol (DGDG) exposed to heat constraint. These mutants, which grow similarly to wild...

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Acclimatization
Chlorophyll
Electron Transport
Light-Harvesting Protein Complexes
Photosynthesis

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Photosystem I Protein Complex

Photosystem II Protein Complex

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PMID: 21458884
DOI: 10.1016/j.jplph.2011.01.015

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