ArticleThe New phytologist2020
Evolutionary divergence of photoprotection in the green algal lineage: a plant-like violaxanthin de-epoxidase enzyme activates the xanthophyll cycle in the green alga Chlorella vulgaris modulating photoprotection.
Article in The New phytologist, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 26 papers.
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26 citing papers in PubMed, 54 citations in OpenAlex.
- Night-Time Biomass and Compositional Dynamics inBiotech (Basel (Switzerland)) · 2026Article
- Beyond Single-Pollutant Toxicity: How Erythromycin-Metolachlor Mixtures Affect the Physiology ofToxics · 2026Article
- Siphonous green macroalgae with contrasting capacities for the energy-dependent quenching, qE, rely on different photoprotective mechanisms.Photosynthesis research · 2026Article
- High-throughput Raman-activated cell sorting of microalgal genome-wide edited library revealed a regulatory pathway for carotenoid synthesis.Nature communications · 2026Article
- Algal Derived Bioactive Compounds as Radiation Protectant: An Emerging Strategy for Future Applications.Current microbiology · 2026Review
- Structure and regulation of violaxanthin de-epoxidase, a key enzyme in the photoprotection of photosynthesis.Plant physiology · 2026Review
- Optimizing photon conversion routes in cinnamate derivatives.Communications chemistry · 2026Article
- Nonphotochemical quenching in plants: Mechanisms and mysteries.The Plant cell · 2025Review
- Effects of Superabsorbent Polymers on Growth and Pigment Allocation inPlants (Basel, Switzerland) · 2025Article
- The xanthophyll cycle balances photoprotection and photosynthetic efficiency in the seawater alga Nannochloropsis oceanica.Plant physiology · 2025Article
- Loss of state transitions in Bryopsidales macroalgae and kleptoplastic sea slugs (Gastropoda, Sacoglossa).Communications biology · 2025Article
- EngineeredLife (Basel, Switzerland) · 2025Article
- SL-6 Mimic Is a Biostimulant forPlants (Basel, Switzerland) · 2025Article
- Regulation of Microalgal Photosynthetic Electron Transfer.Plants (Basel, Switzerland) · 2024Review
- Photoautotrophic cultivation of a Chlamydomonas reinhardtii mutant with zeaxanthin as the sole xanthophyll.Biotechnology for biofuels and bioproducts · 2024Article
- Advances in light system engineering across the phototrophic spectrum.Frontiers in plant science · 2024Review
- Insights into the binding mechanism of ascorbic acid and violaxanthin with violaxanthin de-epoxidase (VDE) and chlorophycean violaxanthin de-epoxidase (CVDE) enzymes.Photosynthesis research · 2023Article
- Temperature mapping of non-photochemical quenching in Chlorella vulgaris.Photosynthesis research · 2023Article
- The Functions of Chloroplastic Ascorbate in Vascular Plants and Algae.International journal of molecular sciences · 2023Review
- Astaxanthin and eicosapentaenoic acid production by S4, a new mutant strain of Nannochloropsis gaditana.Microbial cell factories · 2022Article
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8 authors at 3 institutions in 1 country.
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Abstract
The xanthophyll cycle is the metabolic process by which the carotenoid violaxanthin is de-epoxidated to zeaxanthin, a xanthophyll with a crucial photoprotective role in higher plants and mosses. The role of zeaxanthin is still unclear in green algae, and a peculiar violaxanthin de-epoxidating enzyme was found in the model organism Chlamydomonas reinhardtii. Here, we investigated the molecular details and functions of the xanthophyll cycle in the case of Chlorella vulgaris, one of the green algae most considered for industrial cultivation, where resistance to high light stress is a prerequisite for sustainable biomass production. Identification of the violaxanthin de-epoxidase enzyme in C. vulgaris was performed by genome mining and in vitro analysis of the catalytic activity of the gene product identified. The photoprotective role of zeaxanthin was then investigated in vivo and in isolated pigment-binding complexes. The results obtained demonstrate the functioning, even though with a different pH sensitivity, of a plant-like violaxanthin de-epoxidase enzyme in C. vulgaris. Differently from C. reinhardtii, zeaxanthin accumulation in C. vulgaris was found to be crucial for photoprotective quenching of excitation energy harvested by both photosystem I and II. These findings demonstrate an evolutionary divergence of photoprotective mechanisms among Chlorophyta.
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