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High Light Acclimation in the Secondary Plastids Containing Diatom Phaeodactylum tricornutum is Triggered by the Redox State of the Plastoquinone Pool

Archive ouverte | Lepetit, Bernard | CCSD

International audience. In diatoms, the process of energy-dependent chlorophyll fluorescence quenching (qE) has an important role in photoprotection. Three components are essential for qE: (1) the light-dependent ge...

Lhcx proteins provide photoprotection via thermal dissipation of absorbed light in the diatom Phaeodactylum tricornutum

Archive ouverte | Buck, Jochen, M | CCSD

International audience. Diatoms possess an impressive capacity for rapidly inducible thermal dissipation of excess absorbed energy (qE), provided by the xanthophyll diatoxanthin and Lhcx proteins. By knocking out th...

Multisignal control of expression of the LHCX protein family in the marine diatom Phaeodactylum tricornutum

Archive ouverte | Taddei, Lucilla | CCSD

International audience. Multiple stress signalling pathways regulate LHCX family gene expression in the diatom Phaeodactylum tricornutum to attune acclimation responses efficiently in highly variable ocean environme...

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