Analysis of non-photochemical energy dissipating processes in wild type Dunaliella salina (green algae) and in zea1, a mutant constitutively accumulating zeaxanthin.

Abstract excerpt

Generally there is a correlation between the amount of zeaxanthin accumulated within the chloroplast of oxygenic photosynthetic organisms and the degree of non-photochemical quenching (NPQ). Although constitutive accumulation of zeaxanthin can help protect plants from photo-oxidative stress, organisms with such a phenotype have been reported to have altered rates of NPQ induction. In this study, basic...

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