ArticleBMC plant biology2014
Tomato SR/CAMTA transcription factors SlSR1 and SlSR3L negatively regulate disease resistance response and SlSR1L positively modulates drought stress tolerance.
Article in BMC plant biology, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 45 papers.
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45 citing papers in PubMed, 92 citations in OpenAlex.
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- Cis-regulatory elements in CAMTA-mediated stress signalling: mechanisms and prospects for CRISPR-based crop improvement.Frontiers in plant science · 2026Review
- Genomic Identification and Comprehensive Characterization of the CAMTA Transcription Factor Family inInternational journal of genomics · 2026Article
- Calmodulin-Binding Transcription Factors: Roles in Plant Response to Abiotic Stresses.Plants (Basel, Switzerland) · 2025Review
- Genomic, structural, and molecular analysis of calmodulin-binding transcriptional activators (CAMTAs) suggests their role in plant development and abiotic stress tolerance in chickpea.Computational and structural biotechnology journal · 2025Article
- A regulatory network involving calmodulin controls phytosulfokine peptide processing during drought-induced flower abscission.The Plant cell · 2024Article
- Genome-wide identification of CAMTA genes and their expression dependence on light and calcium signaling during seedling growth and development in mung bean.BMC genomics · 2024Article
- Evidence Supporting a Role of Alternative Splicing Participates in Melon (International journal of molecular sciences · 2024Article
- Calcium regulation of the Arabidopsis Na+/K+ transporter HKT1;1 improves seed germination under salt stress.Plant physiology · 2024Article
- The OsSGS3-tasiRNA-OsARF3 module orchestrates abiotic-biotic stress response trade-off in rice.Nature communications · 2023Article
- Engineering plant immune circuit: walking to the bright future with a novel toolbox.Plant biotechnology journal · 2023Review
- Comprehensive Analysis ofGenes · 2022Review
- Genome-Wide Analysis of Calmodulin Binding Transcription Activator (CAMTA) Gene Family in Peach (International journal of molecular sciences · 2022Article
- Characterization of the CqCAMTA gene family reveals the role of CqCAMTA03 in drought tolerance.BMC plant biology · 2022Article
- Genome-Wide Identification and Characterization of the Calmodulin-Binding Transcription Activator (CAMTA) Gene Family in Plants and the Expression Pattern Analysis ofInternational journal of molecular sciences · 2022Article
- Systematic Analysis and Identification of Drought-Responsive Genes of theInternational journal of molecular sciences · 2022Article
- Article
- Expression Characteristics in Roots, Phloem, Leaves, Flowers and Fruits of Apple circRNA.Genes · 2022Article
- Drought tolerance improvement in3 Biotech · 2022Review
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Authors and funding
8 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundThe SR/CAMTA proteins represent a small family of transcription activators that play important roles in plant responses to biotic and abiotic stresses. Seven SlSR/CAMTA genes were identified in tomato as tomato counterparts of SR/CAMTA; however, the involvement of SlSRs/CAMTAs in biotic and abiotic stress responses is not clear. In this study, we performed functional analysis of the SlSR/CAMTA family for their possible functions in defense response against pathogens and tolerance to drought stress.
resultsExpression of SlSRs was induced with distinct patterns by Botrytis cinerea and Pseudomonas syringae pv. tomato (Pst) DC3000. Virus-induced gene silencing (VIGS)-based knockdown of either SlSR1 or SlSR3L in tomato resulted in enhanced resistance to B. cinerea and Pst DC3000 and led to constitutive accumulation of H2O2, elevated expression of defense genes, marker genes for pathogen-associated molecular pattern-triggered immunity, and regulatory genes involved in the salicylic acid- and ethylene-mediated signaling pathways. Furthermore, the expression of SlSR1L and SlSR2L in detached leaves and whole plants was significantly induced by drought stress. Silencing of SlSR1L led to decreased drought stress tolerance, accelerated water loss in leaves, reduced root biomass and attenuated expression of drought stress responsive genes in tomato. The SlSR1 and SlSR3L proteins were localized in the nucleus of plant cells when transiently expressed in Nicotiana benthamiana and had transcriptional activation activity in yeast.
conclusionsVIGS-based functional analyses demonstrate that both SlSR1 and SlSR3L in the tomato SlSR/CAMTA family are negative regulators of defense response against B. cinerea and Pst DC3000 while SlSR1L is a positive regulator of drought stress tolerance in tomato.
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