ArticlePlant physiology2011
A deficiency in the flavoprotein of Arabidopsis mitochondrial complex II results in elevated photosynthesis and better growth in nitrogen-limiting conditions.
Article in Plant physiology, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 31 papers.
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Who cites it
31 citing papers in PubMed, 65 citations in OpenAlex.
- HHorticulture research · 2025Article
- Comprehensive analysis of SDH genes in Populus and functional characterization of SDH4 in xylem and cambium development.BMC plant biology · 2025Article
- The metabolite itaconate is a transcriptional and posttranslational modulator of plant metabolism, development, and stress response.Science advances · 2025Article
- Natural variation in response to combined water and nitrogen deficiencies in Arabidopsis.The Plant cell · 2024Article
- Comparative analysis of the complete mitogenomes ofFrontiers in plant science · 2024Article
- Non-canonical and developmental roles of the TCA cycle in plants.Current opinion in plant biology · 2023Review
- Mitochondrial H2S donor AP39 induces stomatal closure by modulating guard cell mitochondrial activity.Plant physiology · 2023Article
- Co-regulation of mitochondrial and chloroplast function: Molecular components and mechanisms.Plant communications · 2023Review
- Succinate Dehydrogenase, Succinate, and Superoxides: A Genetic, Epigenetic, Metabolic, Environmental Explosive Crossroad.Biomedicines · 2022Review
- The mitochondrial LYR protein SDHAF1 is required for succinate dehydrogenase activity in Arabidopsis.The Plant journal : for cell and molecular biology · 2022Article
- Identification and Functional Prediction of Poplar Root circRNAs Involved in Treatment With Different Forms of Nitrogen.Frontiers in plant science · 2022Article
- A unique flavoenzyme operates in ubiquinone biosynthesis in photosynthesis-related eukaryotes.Science advances · 2021Article
- Downregulation of the E2 Subunit of 2-Oxoglutarate Dehydrogenase Modulates Plant Growth by Impacting Carbon-Nitrogen Metabolism in Arabidopsis thaliana.Plant & cell physiology · 2021Article
- Participation of calcium ions in induction of respiratory response caused by variation potential in pea seedlings.Plant signaling & behavior · 2021Article
- ABA and BAP improve the accumulation of carbohydrates and alter carbon allocation in potato plants at elevated COPhysiology and molecular biology of plants : an international journal of functional plant biology · 2021Article
- Article
- Deficiencies in the Mitochondrial Electron Transport Chain Affect Redox Poise and Resistance TowardFrontiers in plant science · 2019Article
- An Assembly Factor Promotes Assembly of Flavinated SDH1 into the Succinate Dehydrogenase Complex.Plant physiology · 2018Article
- An endoplasmic reticulum-localized Coffea arabica BURP domain-containing protein affects the response of transgenic Arabidopsis plants to diverse abiotic stresses.Plant cell reports · 2017Article
- SDH6 and SDH7 Contribute to Anchoring Succinate Dehydrogenase to the Inner Mitochondrial Membrane in Arabidopsis thaliana.Plant physiology · 2017Article
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Authors and funding
10 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Mitochondrial complex II (succinate dehydrogenase [SDH]) plays roles both in the tricarboxylic acid cycle and the respiratory electron transport chain. In Arabidopsis (Arabidopsis thaliana), its flavoprotein subunit is encoded by two nuclear genes, SDH1-1 and SDH1-2. Here, we characterize heterozygous SDH1-1/sdh1-1 mutant plants displaying a 30% reduction in SDH activity as well as partially silenced plants obtained by RNA interference. We found that these plants displayed significantly higher CO(2) assimilation rates and enhanced growth than wild-type plants. There was a strong correlation between CO(2) assimilation and stomatal conductance, and both mutant and silenced plants displayed increased stomatal aperture and density. By contrast, no significant differences were found for dark respiration, chloroplastic electron transport rate, CO(2) uptake at saturating concentrations of CO(2), or biochemical parameters such as the maximum rates of carboxylation by Rubisco and of photosynthetic electron transport. Thus, photosynthesis is enhanced in SDH-deficient plants by a mechanism involving a specific effect on stomatal function that results in improved CO(2) uptake. Metabolic and transcript profiling revealed that mild deficiency in SDH results in limited effects on metabolism and gene expression, and data suggest that decreases observed in the levels of some amino acids were due to a higher flux to proteins and other nitrogen-containing compounds to support increased growth. Strikingly, SDH1-1/sdh1-1 seedlings grew considerably better in nitrogen-limiting conditions. Thus, a subtle metabolic alteration may lead to changes in important functions such as stomatal function and nitrogen assimilation.
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