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Article

Identification of key residues for pH dependent activation of violaxanthin de-epoxidase from Arabidopsis thaliana.

PloS one - 1 Jan 2012

Fufezan Christian, Simionato Diana, Morosinotto Tomas

Abstract excerpt

Plants are often exposed to saturating light conditions, which can lead to oxidative stress. The carotenoid zeaxanthin, synthesized from violaxanthin by Violaxanthin De-Epoxidase (VDE) plays a major role in the protection from excess illumination. VDE activation is triggered by a pH reduction in the thylakoids lumen occurring under saturating light. In this work the mechanism of the VDE activation was...

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Identifiers

PMID: 22558195
DOI: 10.1371/journal.pone.0035669
PMCID: PMC3338714

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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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