ArticlePlant, cell & environment2020
The res (restored cell structure by salinity) tomato mutant reveals the role of the DEAD-box RNA helicase SlDEAD39 in plant development and salt response.
Article in Plant, cell & environment, 2020. 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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10 citing papers in PubMed, 20 citations in OpenAlex.
- Artificial intelligence in plant salt stress research: from predictive models to multi-omics integration.Journal of experimental botany · 2026Review
- Structural and functional perspectives on DEAD-box RNA helicases in the rubber tree cold stress response.Frontiers in plant science · 2026Review
- Characterization and Early Response of the DEAD Gene Family to Heat Stress in Tomato.Plants (Basel, Switzerland) · 2025Article
- Genome-wide association study identifies candidate SNP markers and genes associated with low nitrogen tolerance inFrontiers in plant science · 2025Article
- OsRH52A, a DEAD-box protein, regulates functional megaspore specification and is required for embryo sac development in rice.Journal of experimental botany · 2024Article
- Biochemical and Functional Profiling of Thioredoxin-Dependent Cytosolic GPX-like Proteins inBiomolecules · 2024Article
- Genome-wide systematic survey and analysis of the RNA helicase gene family and their response to abiotic stress in sweetpotato.BMC plant biology · 2024Article
- Functions and mechanisms of RNA helicases in plants.Journal of experimental botany · 2023Review
- The Salt Sensitivity Induced by Disruption of Cell Wall-Associated Kinase 1 (International journal of molecular sciences · 2020Article
- The res (restored cell structure by salinity) tomato mutant reveals the role of the DEAD-box RNA helicase SlDEAD39 in plant development and salt response.Plant, cell & environment · 2020Article
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13 authors at 4 institutions in 2 countries.
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No grant is acknowledged in the PubMed record.
Abstract
Increasing evidences highlight the importance of DEAD-box RNA helicases in plant development and stress responses. In a previous study, we characterized the tomato res mutant (restored cell structure by salinity), showing chlorosis and development alterations that reverted under salt-stress conditions. Map-based cloning demonstrates that RES gene encodes SlDEAD39, a chloroplast-targeted DEAD-box RNA helicase. Constitutive expression of SlDEAD39 complements the res mutation, while the silencing lines had a similar phenotype than res mutant, which is also reverted under salinity. Functional analysis of res mutant proved SlDEAD39 is involved in the in vivo processing of the chloroplast, 23S rRNA, at the hidden break-B site, a feature also supported by in vitro binding experiments of the protein. In addition, our results show that other genes coding for chloroplast-targeted DEAD-box proteins are induced by salt-stress, which might explain the rescue of the res mutant phenotype. Interestingly, salinity restored the phenotype of res adult plants by increasing their sugar content and fruit yield. Together, these results propose an unprecedented role of a DEAD-box RNA helicase in regulating plant development and stress response through the proper ribosome and chloroplast functioning, which, in turn, represents a potential target to improve salt tolerance in tomato crops.
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