ArticlePlant physiology2013
The regulatory properties of Rubisco activase differ among species and affect photosynthetic induction during light transitions.
Article in Plant physiology, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 103 papers.
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Who cites it
103 citing papers in PubMed, 217 citations in OpenAlex.
- Overexpression of Rubisco Activase Improves Photosynthesis and Plant Growth in Rice Under Fluctuating Light Under Future High COPlant, cell & environment · 2026Article
- Suppressing GhCKX optimizes the trade-off between photosynthesis and water use efficiency in cotton mature leaves under drought.The Plant journal : for cell and molecular biology · 2026Article
- Non-enzymatic acetylation of lysine residues affects the stability of Rubisco activase.aBIOTECH · 2026Article
- Transcriptome assemblies for two drug-type cannabis chemotypes by long-read RNA sequencing.The plant genome · 2026Article
- Rice adaptation to low-light stress: integrating morpho-physiology, biochemical plasticity, signalling networks and molecular breeding strategies.Plant cell reports · 2026Review
- Laminar patterning transcription factors orchestrate spatial metabolite partitioning in Capsicum fruit.Nature plants · 2026Article
- The rate of photosynthetic induction across different light intensities can be approximated using the light response curve of photosynthesis.Photosynthesis research · 2026Article
- Proton motive force partitioning links energy and redox balance to photoprotection and carbon gain.Frontiers in plant science · 2026Review
- Phylogenetic diversity of light-dependent phosphorylation of Thr78 in Rubisco activase.Journal of experimental botany · 2025Article
- Metabolite profiling reveals slow and uncoordinated adjustment of C4 photosynthesis to sudden changes in irradiance.Plant physiology · 2025Article
- Two cowpea Rubisco activase isoforms for crop thermotolerance.The New phytologist · 2025Article
- Coordinated diffusional and biochemical limitations underlie age-related decline in photosynthetic capacity of rice leaves.Photosynthesis research · 2025Article
- A guide to understanding and measuring photosynthetic induction: considerations and recommendations.The New phytologist · 2025Review
- The heat is on: scaling improvements in photosynthetic thermal tolerance from the leaf to canopy to predict crop yields in a changing climate.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2025Review
- Differences in carbon and nitrogen metabolism of soft japonica rice in southern China during grain filling stage under different light and nitrogen fertilizer conditions and their relationship with rice eating quality.Frontiers in plant science · 2025Article
- Tandemly duplicated Rubisco activase genes of cereals show differential evolution and response to heat stress.Plant molecular biology · 2024Article
- Photosynthesis and photoprotection in top leaves respond faster to irradiance fluctuations than bottom leaves in a tomato canopy.Journal of experimental botany · 2024Article
- Rubisco activity and activation state dictate photorespiratory plasticity in Betula papyrifera acclimated to future climate conditions.Scientific reports · 2024Article
- C4 grasses employ distinct strategies to acclimate rubisco activase to heat stress.Bioscience reports · 2024Article
- Perspectives on improving photosynthesis to increase crop yield.The Plant cell · 2024Review
43 more citing papers are in PubMed but not listed here.
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Authors and funding
2 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Rubisco's catalytic chaperone, Rubisco activase (Rca), uses the energy from ATP hydrolysis to restore catalytic competence to Rubisco. In Arabidopsis (Arabidopsis thaliana), inhibition of Rca activity by ADP is fine tuned by redox regulation of the α-isoform. To elucidate the mechanism for Rca regulation in species containing only the redox-insensitive β-isoform, the response of activity to ADP was characterized for different Rca forms. When assayed in leaf extracts, Rubisco activation was significantly inhibited by physiological ratios of ADP to ATP in species containing both α-Rca and β-Rca (Arabidopsis and camelina [Camelina sativa]) or just the β-Rca (tobacco [Nicotiana tabacum]). However, Rca activity was insensitive to ADP inhibition in an Arabidopsis transformant, rwt43, which expresses only Arabidopsis β-Rca, although not in a transformant of Arabidopsis that expresses a tobacco-like β-Rca. ATP hydrolysis by recombinant Arabidopsis β-Rca was much less sensitive to inhibition by ADP than recombinant tobacco β-Rca. Mutation of 17 amino acids in the tobacco β-Rca to the corresponding Arabidopsis residues reduced ADP sensitivity. In planta, Rubisco deactivated at low irradiance except in the Arabidopsis rwt43 transformant containing an ADP-insensitive Rca. Induction of CO2 assimilation after transition from low to high irradiance was much more rapid in the rwt43 transformant compared with plants containing ADP-sensitive Rca forms. The faster rate of photosynthetic induction and a greater enhancement of growth under a fluctuating light regime by the rwt43 transformant compared with wild-type Arabidopsis suggests that manipulation of Rca regulation might provide a strategy for enhancing photosynthetic performance in certain variable light environments.
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