ArticlePlanta2021
Drought tolerance in selected aerobic and upland rice varieties is driven by different metabolic and antioxidative responses.
Article in Planta, 2021. 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, 28 citations in OpenAlex.
- Morpho-Reproductive Stability of Rice Landraces Under Water Deficit Across Agroecological Zones of Far-West Nepal.Plant-environment interactions (Hoboken, N.J.) · 2026Article
- Shoot transcriptome and co-expression network analysis of African rice cultivars identify drought-tolerance hub genes and growth stage-dependent trade-offs.Frontiers in plant science · 2026Article
- Global meta-analysis of drought associated rice rhizosphere microbiome data and soil application of selected bacteria reveals potential ofFrontiers in plant science · 2026Article
- Oxidative Stress in Rice (Plants (Basel, Switzerland) · 2025Review
- Upland rice genomic signatures of adaptation to drought resistance and navigation to molecular design breeding.Plant biotechnology journal · 2024Article
- Uncovering the impact of AM fungi on wheat nutrient uptake, ion homeostasis, oxidative stress, and antioxidant defense under salinity stress.Scientific reports · 2023Article
- Transcriptional Expression of Nitrogen Metabolism Genes and Primary Metabolic Variations in Rice Affected by Different Water Status.Plants (Basel, Switzerland) · 2023Article
- Article
- Can biochemical traits bridge the gap between genomics and plant performance? A study in rice under drought.Plant physiology · 2022Article
- Genome-Wide Expression Analysis of Root Tips in Contrasting Rice Genotypes Revealed Novel Candidate Genes for Water Stress Adaptation.Frontiers in plant science · 2022Article
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8 authors at 6 institutions in 5 countries.
Funding
Abstract
MAIN
conclusionsSugar-mediated osmotic acclimation and a strong antioxidative response reduce drought-induced biomass loss at the vegetative stage in rice. A clear understanding of the physiological and biochemical adaptations to water limitation in upland and aerobic rice can help to identify the mechanisms underlying their tolerance to low water availability. In this study, three indica rice varieties-IR64 (lowland), Apo (aerobic), and UPL Ri-7 (upland)-, that are characterized by contrasting levels of drought tolerance, were exposed to drought at the vegetative stage. Drought-induced changes in biomass, leaf metabolites and oxidative stress markers/enzyme activities were analyzed in each variety at multiple time points. The two drought-tolerant varieties, Apo and UPL Ri-7 displayed a reduced water use in contrast to the susceptible variety IR64 that displayed high water consumption and consequent strong leaf dehydration upon drought treatment. A sugar-mediated osmotic acclimation in UPL Ri-7 and a strong antioxidative response in Apo were both effective in limiting the drought-induced biomass loss in these two varieties, while biomass loss was high in IR64, also after recovery. A qualitative comparison of these results with the ones of a similar experiment conducted in the field at the reproductive stage showed that only Apo, which also in this stage showed the highest antioxidant power, was able to maintain a stable grain yield under stress. Our results show that different metabolic and antioxidant adaptations confer drought tolerance to aerobic and upland rice varieties in the vegetative stage. The effectiveness of these adaptations differs between developmental stages. Unraveling the genetic control of these mechanisms might be exploited in breeding for new rice varieties adapted to water-limited environments.
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