ArticleAoB PLANTS2013
Physiological and molecular characterization of drought responses and identification of candidate tolerance genes in cassava.
Article in AoB PLANTS, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers.
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22 citing papers in PubMed, 84 citations in OpenAlex.
- Growth, Antioxidant, and Physiological Responses Associated with Tuber Yield in Cassava Under Irrigation and Late-Season Drought Conditions in a Tropical Savanna Climate.Plants (Basel, Switzerland) · 2026Article
- Progress and Impacts of "Omics" Technologies in Understanding the Drought Response in Cassava: Adoption for Food Security in Africa.Plant-environment interactions (Hoboken, N.J.) · 2025Review
- Enhancement of Photosynthetic Efficiency and Antioxidant Response in Wheat Under Drought Stress by Quercetin-Copper Complex.International journal of molecular sciences · 2025Article
- Evaluating a cassava crop growth model by optimizing genotype-specifc parameters using multienvironment trial breeding data.Frontiers in plant science · 2025Article
- Cassava Breeding and Cultivation Challenges in Thailand: Past, Present, and Future Perspectives.Plants (Basel, Switzerland) · 2024Review
- An optimization method for measuring the stomata in cassava (Open life sciences · 2024Article
- Zn Fertilizer and Mycorrhizal Inoculation Effect on Bread Wheat Cultivar Grown under Water Deficit.Life (Basel, Switzerland) · 2023Article
- Ethanol treatment enhances drought stress avoidance in cassava (Manihot esculenta Crantz).Plant molecular biology · 2022Article
- A Dual Strategy of Breeding for Drought Tolerance and Introducing Drought-Tolerant, Underutilized Crops into Production Systems to Enhance Their Resilience to Water Deficiency.Plants (Basel, Switzerland) · 2020Review
- Physiological and Biochemical Responses of four cassava cultivars to drought stress.Scientific reports · 2020Article
- Pre-treatment of two contrasting water-stressed genotypes of cassava (Physiology and molecular biology of plants : an international journal of functional plant biology · 2019Article
- Comparative physiology and transcriptome analysis allows for identification of lncRNAs imparting tolerance to drought stress in autotetraploid cassava.BMC genomics · 2019Article
- Acetic Acid Treatment Enhances Drought Avoidance in Cassava (Frontiers in plant science · 2019Article
- Immunohistochemical localization ofPhysiological and molecular plant pathology · 2019Article
- Global Gene Expression Analysis Reveals Crosstalk between Response Mechanisms to Cold and Drought Stresses in Cassava Seedlings.Frontiers in plant science · 2017Article
- Physiological Investigation and Transcriptome Analysis of Polyethylene Glycol (PEG)-Induced Dehydration Stress in Cassava.International journal of molecular sciences · 2016Article
- Molecular Assortment of Lens Species with Different Adaptations to Drought Conditions Using SSR Markers.PloS one · 2016Article
- Stress Inducible Expression of AtDREB1A Transcription Factor in Transgenic Peanut (Arachis hypogaea L.) Conferred Tolerance to Soil-Moisture Deficit Stress.Frontiers in plant science · 2016Article
- Analysis of different strategies adapted by two cassava cultivars in response to drought stress: ensuring survival or continuing growth.Journal of experimental botany · 2015Article
- Identification and Validation of Selected Universal Stress Protein Domain Containing Drought-Responsive Genes in Pigeonpea (Cajanus cajan L.).Frontiers in plant science · 2015Article
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Authors and funding
7 authors at 5 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Cassava is an important root crop to resource-poor farmers in marginal areas, where its production faces drought stress constraints. Given the difficulties associated with cassava breeding, a molecular understanding of drought tolerance in cassava will help in the identification of markers for use in marker-assisted selection and genes for transgenic improvement of drought tolerance. This study was carried out to identify candidate drought-tolerance genes and expression-based markers of drought stress in cassava. One drought-tolerant (improved variety) and one drought-susceptible (farmer-preferred) cassava landrace were grown in the glasshouse under well-watered and water-stressed conditions. Their morphological, physiological and molecular responses to drought were characterized. Morphological and physiological measurements indicate that the tolerance of the improved variety is based on drought avoidance, through reduction of water loss via partial stomatal closure. Ten genes that have previously been biologically validated as conferring or being associated with drought tolerance in other plant species were confirmed as being drought responsive in cassava. Four genes (MeALDH, MeZFP, MeMSD and MeRD28) were identified as candidate cassava drought-tolerance genes, as they were exclusively up-regulated in the drought-tolerant genotype to comparable levels known to confer drought tolerance in other species. Based on these genes, we hypothesize that the basis of the tolerance at the cellular level is probably through mitigation of the oxidative burst and osmotic adjustment. This study provides an initial characterization of the molecular response of cassava to drought stress resembling field conditions. The drought-responsive genes can now be used as expression-based markers of drought stress tolerance in cassava, and the candidate tolerance genes tested in the context of breeding (as possible quantitative trait loci) and engineering drought tolerance in transgenics.
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