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Article

A zeaxanthin-independent nonphotochemical quenching mechanism localized in the photosystem II core complex.

Proceedings of the National Academy of Sciences of the United States of America - 17 Aug 2004

Finazzi Giovanni, Johnson Giles N, Dall'Osto Luca, Dallosto Luca, Joliot Pierre, Wollman Francis-André, Bassi Roberto

Abstract excerpt

Illumination of dark-adapted barley plants with low light transiently induced a large nonphotochemical quenching of chlorophyll fluorescence. This reaction was identified as a form of high-energy-state quenching. Its appearance was not accompanied by zeaxanthin synthesis but was associated with a reversible inactivation of a fraction of photosystem II (PSII) centers. Both the fluorescence quenching and PSII...

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Identifiers

PMID: 15304641
DOI: 10.1073/pnas.0404798101
PMCID: PMC514483

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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