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'photoprotection' can also refer to...



Photoprotection of photosystems in fluctuating light intensities

Plasticity in light reactions of photosynthesis for energy production and photoprotection

An algal photoprotection index and vertical mixing in the Southern Ocean

Photosynthesis and photoprotection in Quercus ilex resprouts after fire

New and Improved Daily Photoprotection: Microfine Oxide (Z-Cote®)

Differential freezing resistance and photoprotection in C3 and C4 eudicots and grasses

Sex-related differences in lipid peroxidation and photoprotection in Pistacia lentiscus

Molecular design of the photosystem II light-harvesting antenna: photosynthesis and photoprotection

Activation of mechanisms of photoprotection by desiccation and by light: poikilohydric photoautotrophs

Retrograde Signaling and Photoprotection in a gun4 Mutant of Chlamydomonas reinhardtii

Girdling decreases photosynthetic electron fluxes and induces sustained photoprotection in mango leaves

Blue light is essential for high light acclimation and photoprotection in the diatom Phaeodactylum tricornutum

Effect of anthocyanins, carotenoids, and flavonols on chlorophyll fluorescence excitation spectra in apple fruit: signature analysis, assessment, modelling, and relevance to photoprotection

Modulating the light environment with the peach ‘asymmetric orchard’: effects on gas exchange performances, photoprotection, and photoinhibition

Cyclic Electron Flow Plays an Important Role in Photoprotection of Tropical Trees Illuminated at Temporal Chilling Temperature

Contribution of Photosynthetic Electron Transport, Heat Dissipation, and Recovery of Photoinactivated Photosystem II to Photoprotection at Different Temperatures in Chenopodium album Leaves

Contrasting Effects of UV-A and UV-B on Photosynthesis and Photoprotection of β-carotene in two Dunaliella spp.


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Protection of a plant's photosynthetic apparatus from the harmful effects of light. During periods of peak light intensity plants are able to utilize less than half the incoming energy. The surplus energy poses the risk of photooxidation, and the formation of highly reactive superoxide radicals that can destroy the cell's chlorophyll and many other cellular components. Much of the excess energy is trapped and dissipated as heat by carotenoids of the xanthophyll cycle. Also, chloroplasts contain the enzyme superoxide dismutase, which scavenges superoxide radicals.

Subjects: Biological Sciences.

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