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Review
. 2015 May;82(3):449-465.
doi: 10.1111/tpj.12825. Epub 2015 Apr 9.

Light stress and photoprotection in Chlamydomonas reinhardtii

Erika Erickson  1   2 , Setsuko Wakao  1 , Krishna K Niyogi  1   2
Affiliations
Free article
Review

Light stress and photoprotection in Chlamydomonas reinhardtii

Erika Erickson et al. Plant J. 2015 May.
Free article

Abstract

Plants and algae require light for photosynthesis, but absorption of too much light can lead to photo-oxidative damage to the photosynthetic apparatus and sustained decreases in the efficiency and rate of photosynthesis (photoinhibition). Light stress can adversely affect growth and viability, necessitating that photosynthetic organisms acclimate to different environmental conditions in order to alleviate the detrimental effects of excess light. The model unicellular green alga, Chlamydomonas reinhardtii, employs diverse strategies of regulation and photoprotection to avoid, minimize, and repair photo-oxidative damage in stressful light conditions, allowing for acclimation to different and changing environments.

Keywords: Chlamydomonas reinhardtii; non-photochemical quenching; photoinhibition; photoprotection; photosynthesis; reactive oxygen species; singlet oxygen.

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