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Article

Altered xanthophyll compositions adversely affect chlorophyll accumulation and nonphotochemical quenching in Arabidopsis mutants.

Proceedings of the National Academy of Sciences of the United States of America - 27 Oct 1998

Pogson B J, Niyogi K K, Björkman O, DellaPenna D

Abstract excerpt

Collectively, the xanthophyll class of carotenoids perform a variety of critical roles in light harvesting antenna assembly and function. The xanthophyll composition of higher plant photosystems (lutein, violaxanthin, and neoxanthin) is remarkably conserved, suggesting important functional roles for each. We have taken a molecular genetic approach in Arabidopsis toward defining the respective roles of individual...

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Identifiers

PMID: 9789087
DOI: 10.1073/pnas.95.22.13324
PMCID: PMC23800

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Altered xanthophyll compositions adversely affect chlorophyll accumulation and nonphotochemical quenching in Arabidopsis mutants.PMID 9789087Read ↗

Arabidopsis carotenoid mutants demonstrate that lutein is not essential for photosynthesis in higher plants.Semantic proximity Read ↗

Different roles of alpha- and beta-branch xanthophylls in photosystem assembly and photoprotection.Semantic proximity Read ↗

The roles of specific xanthophylls in light utilization.Semantic proximity Read ↗

Functional analysis of beta- and epsilon-ring carotenoid hydroxylases in Arabidopsis.Semantic proximity Read ↗

The Arabidopsis nox mutant lacking carotene hydroxylase activity reveals a critical role for xanthophylls in photosystem I biogenesis.Semantic proximity Read ↗

The role of lutein in the acclimation of higher plant chloroplast membranes to suboptimal conditions.Semantic proximity Read ↗

Role of xanthophylls in light harvesting in green plants: a spectroscopic investigation of mutant LHCII and Lhcb pigment-protein complexes.Semantic proximity Read ↗

Effects of altered α- and β-branch carotenoid biosynthesis on photoprotection and whole-plant acclimation of Arabidopsis to photo-oxidative stress.Semantic proximity Read ↗

A quadruple mutant of Arabidopsis reveals a β-carotene hydroxylation activity for LUT1/CYP97C1 and a regulatory role of xanthophylls on determination of the PSI/PSII ratio.Semantic proximity Read ↗

The effect of zeaxanthin as the only xanthophyll on the structure and function of the photosynthetic apparatus in Arabidopsis thaliana.Semantic proximity Read ↗

Zeaxanthin has enhanced antioxidant capacity with respect to all other xanthophylls in Arabidopsis leaves and functions independent of binding to PSII antennae.Semantic proximity Read ↗

Lutein accumulation in the absence of zeaxanthin restores nonphotochemical quenching in the Arabidopsis thaliana npq1 mutant.Semantic proximity Read ↗

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