Lutein is needed for efficient chlorophyll triplet quenching in the major LHCII antenna complex of higher plants and effective photoprotection in vivo under strong light

doi:10.1186/1471-2229-6-32

BMC Plant Biology

Volume 6

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Lico C
Alric J
Giuliano G
Havaux M
Bassi R

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Research article

Lutein is needed for efficient chlorophyll triplet quenching in the major LHCII antenna complex of higher plants and effective photoprotection in vivo under strong light

Luca Dall'Osto¹ , Chiara Lico² , Jean Alric⁴^,5 , Giovanni Giuliano² , Michel Havaux³ and Roberto Bassi¹^,4

¹Dipartimento Scientifico e Tecnologico, Università di Verona, Strada Le Grazie 15, I-37134 Verona, Italy

²Ente per le Nuove tecnologie, l'Energia e l'Ambiente (ENEA), Unità Biotecnologie, Centro Ricerche Casaccia, C.P. 2400, Roma 00100, Italy

³CEA/Cadarache, DSV, DEVM, Laboratoire d'Ecophysiologie de la Photosynthèse, UMR 6191 CEA-CNRS-Aix Marseille II, F-13108 Saint-Paul-lez-Durance, France

⁴Laboratoire de Génétique et Biophysique des Plantes (LGBP), Département d'Ecophysiologie Végétale et Microbiologie – UMR 163 CEA-CNRS Université de la Méditerranée Aix-Marseille II, 163 Avenue de Luminy, Marseille, France

⁵Institut de Biologie Physico-Chimique (IBPC), rue Pierre et Marie Curie 13, Paris, France

author email corresponding author email

BMC Plant Biology 2006, 6:32doi:10.1186/1471-2229-6-32


Published:	27 December 2006

Additional files

Additional file 1:

Pigment composition of leaf tissue from WT and mutant genotypes, both dark adapted, and after light stress (1200 μmol m-2 s-1, 20' at RT).

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Additional file 2:

Photosynthetic parameters Fo, Fm, Fv/Fm and T1/2 measured on WT and lut2.1 leaves.

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Additional file 6:

Kinetics of NPQ.

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Additional file 8:

Fitting of the Soret region of LHCII 1-T spectra from WT and lut2.1.

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Additional file 3:

Pigment composition and stability to heat denaturation of fractions obtained by preparative IEF of monomeric Lhcb isolated from WT and lut2.1.

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Additional file 7:

Thermal stability of Lhcb proteins isolated from WT and lut2.1 thylakoids.

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Additional file 9:

Flat bed isoelectric focusing fractionation.

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Additional file 4:

Leaf pigment composition of 3-weeks-old WT and lut2.1 plants grown for three additional weeks LL (120 μmol m^-2s^-1) or HL (1400 μmol m^-2s^-1) conditions.

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Additional file 5:

Measurements of Fv/Fm ratio and chlorophyll content of WT and mutant leaves during growth at low temperature and different light conditions.

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