ArticleThe Plant journal : for cell and molecular biology2024
Photosystem rearrangements, photosynthetic efficiency, and plant growth in far red-enriched light.
Article in The Plant journal : for cell and molecular biology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed.
- Thylakoids reorganization enables driving photosynthesis under far-red light in the microalga Nannochloropsis gaditana.The New phytologist · 2026Article
- Physiological and morphological responses of strawberry seedlings to end-of-day far-red light.BMC plant biology · 2026Article
- Photosynthesis under far-red light-evolutionary adaptations and bioengineering of light-harvesting complexes.FEBS letters · 2026Review
- A Low Red/Far-Red Light Ratio Promotes a Reduction in Time from Sowing to Flowering in Wheat Under Speed Breeding Conditions.Plants (Basel, Switzerland) · 2025Article
- Physiological and Phytochemical Responses ofBiology · 2025Article
- The Inversion of SPAD Value in Pear Tree Leaves by Integrating Unmanned Aerial Vehicle Spectral Information and Textural Features.Sensors (Basel, Switzerland) · 2025Article
- Correlation Analysis of Twig and Leaf Characteristics and Leaf Thermal Dissipation ofPlants (Basel, Switzerland) · 2025Article
- Laser diode irradiation mitigates salt stress in rice through coordinated physiological and molecular responses.Frontiers in plant science · 2025Article
- Light regulates the synthesis and accumulation of plant secondary metabolites.Frontiers in plant science · 2025Review
- Molecular Photosynthesis Research Facilitating Technology Development Towards Enhanced Indoor Farming.Physiologia plantarumReview
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Authors and funding
6 authors.
Funding
Abstract
Arabidopsis plants were grown in white light (400-700 nm) or in white light supplemented with far-red (FR) light peaking at 730 nm. FR-enriched light induced the typical shade avoidance syndrome characterized by enhanced length of seedling hypocotyl and leaf petiole. FR supplementation also caused a noticeable decrease in the carotenoid and chlorophyll content that was attributable to a block of pigment accumulation during plant development. The carotenoid decrease resulted from a downregulation of their biosynthesis pathway rather than carotenoid degradation. The losses of photosynthetic pigments are part of structural and functional rearrangements of the photosynthetic apparatus. The plastoquinone pool was chronically more oxidized in plants acclimated to white + FR light compared to white light-grown plants. Growth in FR-enriched light was associated with a higher photochemical efficiency of PSII compared to growth in white light and with a substantial increase in root and shoot biomass production. Light distribution between the photosystems was modified in favor of PSII by an increase in the PSII/PSI ratio and an inhibition of state transitions. Neither LHCII abundance nor nonphotochemical energy dissipation in the PSII chlorophyll antennae were modified significantly by the addition of FR light. A PSI supercomplex, not previously observed in Arabidopsis, was specifically found in plants grown in FR-enriched light. This large PSI complex contains a supplementary Lhca1-4 dimer, leading to a total of 6 LHCI antennae instead of 4 in the canonical PSI. Through those photosystem rearrangements and the synergistic interaction with white light, FR light is photosynthetically active and can boost photosynthesis and plant growth.
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