ArticlePhysiology and molecular biology of plants : an international journal of functional plant biology2023
Sesame (
Article in Physiology and molecular biology of plants : an international journal of functional plant biology, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed, 17 citations in OpenAlex.
- Article
- Soil Potassium Application Ameliorates Drought-Induced Seed Yield Loss and Enhances Nutritional and Seed Oil Quality in Sesame (Plants (Basel, Switzerland) · 2026Article
- Physiological and Biochemical Responses of Stylosanthes spp. Under Water Deficit Conditions.Plants (Basel, Switzerland) · 2026Article
- Effects of ginger-loaded chitosan nanoparticles on growth, morphological and biochemical attributes of Sesamum indicum L.PloS one · 2026Article
- Physiological responses and drought resistance evaluation of forage oat (Plant signaling & behavior · 2025Article
- Integrating phenotypic, molecular, and bioinformatics approaches for developing drought-tolerant sesame.Scientific reports · 2025Article
- Assessing the drought tolerance of some sesame genotypes using agro-morphological, physiological, and drought tolerance indices.BMC plant biology · 2025Article
- Physiological and Multi-Omics Integrative Analysis Provides New Insights into Tolerance to Waterlogging Stress in Sesame (International journal of molecular sciences · 2025Article
- Sesame, an Underutilized Oil Seed Crop: Breeding Achievements and Future Challenges.Plants (Basel, Switzerland) · 2024Review
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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
Drought is one of the main environmental stresses affecting the quality and quantity of sesame production worldwide. The present study was conducted to investigate the effect of drought stress and subsequent re-watering on physiological, biochemical, and molecular responses of two contrasted sesame genotypes (susceptible vs. tolerant). Results showed that plant growth, photosynthetic rate, stomatal conductance, transpiration rate, and relative water content were negatively affected in both genotypes during water deficit. Both genotypes accumulated more soluble sugars, free amino acids, and proline and exhibited an increased enzyme activity for peroxidase, catalase, superoxide dismutase, and pyruvate dehydrogenase in response to drought damages including increased lipid peroxidation and membrane disruption. However, the tolerant genotype revealed a more extended root system and a more efficient photosynthetic apparatus. It also accumulated more soluble sugars (152%), free amino acids (48%), proline (75%), and antioxidant enzymes while showing lower electrolyte leakage (26%), lipid peroxidation (31%), and starch (35%) content, compared to the susceptible genotype at severe drought. Moreover, drought-related genes such as MnSOD1, MnSOD2, and PDHA-M were more expressed in the tolerant genotype, which encode manganese-dependent superoxide dismutase and the alpha subunit of pyruvate dehydrogenase, respectively. Upon re-watering, tolerant genotype recovered to almost normal levels of photosynthesis, carboxylation efficiency, lipid peroxidation, and electrolyte leakage, while susceptible genotype still suffered critical issues. Overall, these results suggest that a developed root system and an efficient photosynthetic apparatus along with the timely and effective accumulation of protective compounds enabled the tolerant sesame to withstand stress and successfully return to a normal growth state after drought relief. The findings of this study can be used as promising criteria for evaluating genotypes under drought stress in future sesame breeding programs. Supplementary Information: The online version contains supplementary material available at 10.1007/s12298-023-01372-y.
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