ArticlePlant physiology2013
Sulfite reductase protects plants against sulfite toxicity.
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 34 papers.
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Who cites it
34 citing papers in PubMed, 116 citations in OpenAlex.
- Sulfite dynamics affect drought tolerance and water status in Arabidopsis and tomato.Journal of experimental botany · 2026Article
- Aboveground whole-plant live HRedox biology · 2026Article
- Plant responses to gaseous pollutants, biochemical and transcriptomic insights.Frontiers in plant science · 2026Review
- Integrated transcriptomics and metabolomics reveal key metabolic pathway responses in Mentha Piperita L. under selenite stress.BMC plant biology · 2025Article
- Comprehensive identification, stress responses and protein-protein interactions of the ferredoxin gene family in the fast-growing tree species Paulownia fortunei.BMC plant biology · 2025Article
- Catalysts for sulfur: understanding the intricacies of enzymes orchestrating plant sulfur anabolism.Planta · 2024Review
- Sulfate transport and metabolism: strategies to improve the seed protein quality.Molecular biology reports · 2024Review
- Transcriptome analysis reveals the promoting effects of exogenous melatonin on the selenium uptake in grape under selenium stress.Frontiers in plant science · 2024Article
- Identifying and Characterizing Candidate Genes Contributing to a Grain Yield QTL in Wheat.Plants (Basel, Switzerland) · 2023Article
- Article
- Redox regulation of enzymes involved in sulfate assimilation and in the synthesis of sulfur-containing amino acids and glutathione in plants.Frontiers in plant science · 2022Review
- Micrografting Provides Evidence for Systemic Regulation of Sulfur Metabolism between Shoot and Root.Plants (Basel, Switzerland) · 2021Article
- Level of Sulfite Oxidase Activity Affects Sulfur and Carbon Metabolism inFrontiers in plant science · 2021Article
- The Versatile Roles of Sulfur-Containing Biomolecules in Plant Defense-A Road to Disease Resistance.Plants (Basel, Switzerland) · 2020Review
- Integration analysis of PacBio SMRT- and Illumina RNA-seq reveals candidate genes and pathway involved in selenium metabolism in hyperaccumulator Cardamine violifolia.BMC plant biology · 2020Article
- Quantitative proteomic analysis of tomato genotypes with differential cadmium tolerance.Environmental science and pollution research international · 2019Article
- The different tolerance to magnesium deficiency of two grapevine rootstocks relies on the ability to cope with oxidative stress.BMC plant biology · 2019Article
- BigR is a sulfide sensor that regulates a sulfur transferase/dioxygenase required for aerobic respiration of plant bacteria under sulfide stress.Scientific reports · 2018Article
- Sulfite Reductase Co-suppression in Tobacco Reveals Detoxification Mechanisms and Downstream Responses Comparable to Sulfate Starvation.Frontiers in plant science · 2018Article
- The Maize Sulfite Reductase Is Involved in Cold and Oxidative Stress Responses.Frontiers in plant science · 2018Article
Corrections and comments
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Plant sulfite reductase (SiR; Enzyme Commission 1.8.7.1) catalyzes the reduction of sulfite to sulfide in the reductive sulfate assimilation pathway. Comparison of SiR expression in tomato (Solanum lycopersicum 'Rheinlands Ruhm') and Arabidopsis (Arabidopsis thaliana) plants revealed that SiR is expressed in a different tissue-dependent manner that likely reflects dissimilarity in sulfur metabolism between the plant species. Using Arabidopsis and tomato SiR mutants with modified SiR expression, we show here that resistance to ectopically applied sulfur dioxide/sulfite is a function of SiR expression levels and that plants with reduced SiR expression exhibit higher sensitivity than the wild type, as manifested in pronounced leaf necrosis and chlorophyll bleaching. The sulfite-sensitive mutants accumulate applied sulfite and show a decline in glutathione levels. In contrast, mutants that overexpress SiR are more tolerant to sulfite toxicity, exhibiting little or no damage. Resistance to high sulfite application is manifested by fast sulfite disappearance and an increase in glutathione levels. The notion that SiR plays a role in the protection of plants against sulfite is supported by the rapid up-regulation of SiR transcript and activity within 30 min of sulfite injection into Arabidopsis and tomato leaves. Peroxisomal sulfite oxidase transcripts and activity levels are likewise promoted by sulfite application as compared with water injection controls. These results indicate that, in addition to participating in the sulfate assimilation reductive pathway, SiR also plays a role in protecting leaves against the toxicity of sulfite accumulation.
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