ArticlePlant physiology2013
An essential role for tomato sulfite oxidase and enzymes of the sulfite network in maintaining leaf sulfite homeostasis.
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 21 papers.
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Who cites it
21 citing papers in PubMed, 69 citations in OpenAlex.
- Sulfite dynamics affect drought tolerance and water status in Arabidopsis and tomato.Journal of experimental botany · 2026Article
- CRISPR/Cas9-based genome editing and functional analysis ofFrontiers in plant science · 2024Article
- Tomato leaves under stress: a comparison of stress response to mild abiotic stress between a cultivated and a wild tomato species.Plant molecular biology · 2021Article
- The Transcriptome and Metabolome Reveal Stress Responses in Sulfur-Fumigated Cucumber (Frontiers in plant science · 2021Article
- Level of Sulfite Oxidase Activity Affects Sulfur and Carbon Metabolism inFrontiers in plant science · 2021Article
- Physiology and molecular biology of plants : an international journal of functional plant biology · 2020Article
- Sulphur systems biology-making sense of omics data.Journal of experimental botany · 2019Review
- Transcriptome Profiling and Genome-Wide Association Studies RevealFrontiers in plant science · 2019Article
- Tracing the 'ninth sulfur' of the nitrogenase cofactor via a semi-synthetic approach.Nature chemistry · 2018Article
- BigR is a sulfide sensor that regulates a sulfur transferase/dioxygenase required for aerobic respiration of plant bacteria under sulfide stress.Scientific reports · 2018Article
- Overexpression of the Maize Sulfite Oxidase Increases Sulfate and GSH Levels and Enhances Drought Tolerance in Transgenic Tobacco.Frontiers in plant science · 2018Article
- Sulfite Reductase Co-suppression in Tobacco Reveals Detoxification Mechanisms and Downstream Responses Comparable to Sulfate Starvation.Frontiers in plant science · 2018Article
- Higher Novel L-Cys Degradation Activity Results in Lower Organic-S and Biomass inPlant physiology · 2017Article
- Insights into a key sulfite scavenger enzyme sulfite oxidase (Physiology and molecular biology of plants : an international journal of functional plant biology · 2017Article
- Impairment of Sulfite Reductase Decreases Oxidative Stress Tolerance inFrontiers in plant science · 2016Article
- Sulfite Oxidase Activity Is Essential for Normal Sulfur, Nitrogen and Carbon Metabolism in Tomato Leaves.Plants (Basel, Switzerland) · 2015Article
- Metabolic responses to sulfur dioxide in grapevine (Vitis vinifera L.): photosynthetic tissues and berries.Frontiers in plant science · 2015Article
- Genome-wide transcriptome analysis of Arabidopsis response to sulfur dioxide fumigation.Molecular genetics and genomics : MGG · 2014Article
- Impairment in Sulfite Reductase Leads to Early Leaf Senescence in Tomato Plants.Plant physiology · 2014Article
- The mitochondrial sulfur dioxygenase ETHYLMALONIC ENCEPHALOPATHY PROTEIN1 is required for amino acid catabolism during carbohydrate starvation and embryo development in Arabidopsis.Plant physiology · 2014Article
Corrections and comments
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Authors and funding
4 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Little is known about the homeostasis of sulfite levels, a cytotoxic by-product of plant sulfur turnover. By employing extended dark to induce catabolic pathways, we followed key elements of the sulfite network enzymes that include adenosine-5'-phosphosulfate reductase and the sulfite scavengers sulfite oxidase (SO), sulfite reductase, UDP-sulfoquinovose synthase, and β-mercaptopyruvate sulfurtransferases. During extended dark, SO was enhanced in tomato (Solanum lycopersicum) wild-type leaves, while the other sulfite network components were down-regulated. SO RNA interference plants lacking SO activity accumulated sulfite, resulting in leaf damage and mortality. Exogenous sulfite application induced up-regulation of the sulfite scavenger activities in dark-stressed or unstressed wild-type plants, while expression of the sulfite producer, adenosine-5'-phosphosulfate reductase, was down-regulated. Unstressed or dark-stressed wild-type plants were resistant to sulfite applications, but SO RNA interference plants showed sensitivity and overaccumulation of sulfite. Hence, under extended dark stress, SO activity is necessary to cope with rising endogenous sulfite levels. However, under nonstressed conditions, the sulfite network can control sulfite levels in the absence of SO activity. The novel evidence provided by the synchronous dark-induced turnover of sulfur-containing compounds, augmented by exogenous sulfite applications, underlines the role of SO and other sulfite network components in maintaining sulfite homeostasis, where sulfite appears to act as an orchestrating signal molecule.
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