@article{Taddei2016-06Multi-34175,
  year={2016},
  doi={10.1093/jxb/erw198},
  title={Multisignal control of expression of the LHCX protein family in the marine diatom Phaeodactylum tricornutum},
  number={13},
  volume={67},
  issn={0022-0957},
  journal={Journal of Experimental Botany},
  pages={3939--3951},
  author={Taddei, Lucilla and Stella, Giulio Rocco and Rogato, Alessandra and Bailleul, Benjamin and Fortunato, Antonio Emidio and Annunziata, Rossella and Sanges, Remo and Thaler, Michael and Lepetit, Bernard and Lavaud, Johann and Jaubert, Marianne and Finazzi, Giovanni and Bouly, Jean-Pierre and Falciatore, Angela}
}

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    <dc:contributor>Falciatore, Angela</dc:contributor>
    <dc:contributor>Lavaud, Johann</dc:contributor>
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    <dc:creator>Lepetit, Bernard</dc:creator>
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    <dcterms:abstract xml:lang="eng">Diatoms are phytoplanktonic organisms that grow successfully in the ocean where light conditions are highly variable. Studies of the molecular mechanisms of light acclimation in the marine diatom Phaeodactylum tricornutum show that carotenoid de-epoxidation enzymes and LHCX1, a member of the light-harvesting protein family, both contribute to dissipate excess light energy through non-photochemical quenching (NPQ). In this study, we investigate the role of the other members of the LHCX family in diatom stress responses. Our analysis of available genomic data shows that the presence of multiple LHCX genes is a conserved feature of diatom species living in different ecological niches. Moreover, an analysis of the levels of four P. tricornutum LHCX transcripts in relation to protein expression and photosynthetic activity indicates that LHCXs are differentially regulated under different light intensities and nutrient starvation, mostly modulating NPQ capacity. We conclude that multiple abiotic stress signals converge to regulate the LHCX content of cells, providing a way to fine-tune light harvesting and photoprotection. Moreover, our data indicate that the expansion of the LHCX gene family reflects functional diversification of its members which could benefit cells responding to highly variable ocean environments.</dcterms:abstract>
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    <dc:contributor>Bouly, Jean-Pierre</dc:contributor>
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    <dc:contributor>Bailleul, Benjamin</dc:contributor>
    <dc:creator>Jaubert, Marianne</dc:creator>
    <dc:contributor>Jaubert, Marianne</dc:contributor>
    <dc:rights>Attribution 3.0 Unported</dc:rights>
    <dc:contributor>Annunziata, Rossella</dc:contributor>
    <dc:creator>Finazzi, Giovanni</dc:creator>
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    <dc:creator>Fortunato, Antonio Emidio</dc:creator>
    <dc:creator>Bouly, Jean-Pierre</dc:creator>
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