ArticleAntioxidants (Basel, Switzerland)2022
Melatonin Improves Drought Stress Tolerance of Tomato by Modulating Plant Growth, Root Architecture, Photosynthesis, and Antioxidant Defense System.
Article in Antioxidants (Basel, Switzerland), 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 107 papers.
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107 citing papers in PubMed, 304 citations in OpenAlex.
- Synergistic application of melatonin and methyl jasmonate mitigates drought-induced oxidative and photosynthetic impairment inPlant signaling & behavior · 2026Article
- Melatonin-mediated metabolic reprogramming and stress adaptation in plants.Plant cell reports · 2026Review
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- Investigation of the Effects of MT on the Antioxidant Capacity ofPlants (Basel, Switzerland) · 2026Article
- The role of coumarin biosynthesis in modulating plant drought responses: insights from PpBMT overexpression in Arabidopsis.BMC plant biology · 2026Article
- Exogenous melatonin mitigates vanadium toxicity in Brassica napus L.: a transcriptomic perspective.BMC plant biology · 2026Article
- Endophytic and rhizospheric bacterial consortia from Peganum harmala alleviate lead phytotoxicity and enhance durum wheat growth in heavy metal-contaminated soils.Biodegradation · 2026Article
- Melatonin-mediated dual regulation of physiological-biochemical traits and rhizosphere microbial communities alleviates drought stress in Bougainvillea.BMC plant biology · 2026Article
- Melatonin seed priming enhanced drought tolerance in rapeseed (Brassica napus L.) cultivars.Scientific reports · 2026Article
- Modulation of redox state, antioxidant systems and photosynthetic capacity induction of osmotic stress tolerance in Crocus sativus L. through exogenous melatonin.Scientific reports · 2026Article
- Foliar Application of Chitosan Nanoparticles Mitigates Early Physiological and Antioxidant Responses ofPolymers · 2026Article
- Seed priming with melatonin enhances salt stress tolerance in triticale through coordinated regulation of antioxidant defense, osmotic homeostasis, and phytohormone signaling.BMC plant biology · 2026Article
- Melatonin enhances drought tolerance in lemongrass: physiological, biochemical, and antioxidant mechanisms.Scientific reports · 2026Article
- Melatonin regulates growth, photosynthesis, and stress responses in pepper (Capsicum annuum L.) under flooding stress.BMC plant biology · 2026Article
- Coordinated roles of melatonin and putrescine in modulating oxidative balance and gene expression during postharvest life of Alstroemeria hybrida.Scientific reports · 2026Article
- Article
- Exogenous melatonin on photosynthesis and physiological characteristics in maize under drought stress.BMC plant biology · 2026Article
- Harnessing foliar-applied melatonin to improve yield and stress tolerance in tomato (Frontiers in plant science · 2026Article
- Phytomelatonin as a key regulator of drought stress adaptation: signaling networks, microbial interactions, and biotechnological potential.Frontiers in plant science · 2026Review
47 more citing papers are in PubMed but not listed here.
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Authors and funding
14 authors at 7 institutions in 6 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Tomato is an important vegetable that is highly sensitive to drought (DR) stress which impairs the development of tomato seedlings. Recently, melatonin (ME) has emerged as a nontoxic, regulatory biomolecule that regulates plant growth and enhances the DR tolerance mechanism in plants. The present study was conducted to examine the defensive role of ME in photosynthesis, root architecture, and the antioxidant enzymes' activities of tomato seedlings subjected to DR stress. Our results indicated that DR stress strongly suppressed growth and biomass production, inhibited photosynthesis, negatively affected root morphology, and reduced photosynthetic pigments in tomato seedlings. Per contra, soluble sugars, proline, and ROS (reactive oxygen species) were suggested to be improved in seedlings under DR stress. Conversely, ME (100 µM) pretreatment improved the detrimental-effect of DR by restoring chlorophyll content, root architecture, gas exchange parameters and plant growth attributes compared with DR-group only. Moreover, ME supplementation also mitigated the antioxidant enzymes [APX (ascorbate peroxidase), CAT (catalase), DHAR (dehydroascorbate reductase), GST (glutathione S-transferase), GR (glutathione reductase), MDHAR (monodehydroascorbate reductase), POD (peroxidase), and SOD (superoxide dismutase)], non-enzymatic antioxidant [AsA (ascorbate), DHA (dehydroascorbic acid), GSH (glutathione), and GSSG, (oxidized glutathione)] activities, reduced oxidative damage [EL (electrolyte leakage), H
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.