ReviewFrontiers in plant science2022
Drought stress tolerance mechanisms and their potential common indicators to salinity, insights from the wild watermelon
Review in Frontiers in plant science, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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8 citing papers in PubMed, 21 citations in OpenAlex.
- Dynamic water relations and alternative splicing in common bean under progressive soil drought and recovery.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2026Article
- Comparative metabolomic and transcriptomic analysis revealing the role of salicylic acid for short-term response with arginine and myristic acid for long-term tolerance under salt stress in watermelon (Frontiers in plant science · 2026Article
- Population-specific physiological response profiles characterize salinity tolerance in the Antarctic extremophileFrontiers in plant science · 2026Article
- Seed Watermelon (Molecules (Basel, Switzerland) · 2025Article
- Citrulline enhances salinity tolerance via photosynthesis, redox balance, osmotic and hormonal regulation, and nutrient assimilation in sunflower (Physiology and molecular biology of plants : an international journal of functional plant biology · 2025Article
- Unlocking the potential of 'Egusi' melon (Frontiers in plant science · 2025Review
- Functional and Transcriptome Analysis Reveal Specific Roles ofPlants (Basel, Switzerland) · 2024Article
- Joint transcriptomic and metabolomic analysis provides new insights into drought resistance in watermelon (Frontiers in plant science · 2024Article
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Authors and funding
4 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Climate change has escalated the effect of drought on crop production as it has negatively altered the environmental condition. Wild watermelon grows abundantly in the Kgalagadi desert even though the environment is characterized by minimal rainfall, high temperatures and intense sunshine during growing season. This area is also characterized by sandy soils with low water holding capacity, thus bringing about drought stress. Drought stress affects crop productivity through its effects on development and physiological functions as dictated by molecular responses. Not only one or two physiological process or genes are responsible for drought tolerance, but a combination of various factors do work together to aid crop tolerance mechanism. Various studies have shown that wild watermelon possess superior qualities that aid its survival in unfavorable conditions. These mechanisms include resilient root growth, timely stomatal closure, chlorophyll fluorescence quenching under water deficit as key physiological responses. At biochemical and molecular level, the crop responds through citrulline accumulation and expression of genes associated with drought tolerance in this species and other plants. Previous salinity stress studies involving other plants have identified citrulline accumulation and expression of some of these genes (chloroplast APX, Type-2 metallothionein), to be associated with tolerance. Emerging evidence indicates that the upstream of functional genes are the transcription factor that regulates drought and salinity stress responses as well as adaptation. In this review we discuss the drought tolerance mechanisms in watermelons and some of its common indicators to salinity at physiological, biochemical and molecular level.
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