ArticleFrontiers in plant science2022
Genome-Wide Expression Analysis of Root Tips in Contrasting Rice Genotypes Revealed Novel Candidate Genes for Water Stress Adaptation.
Article 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 18 papers, 2 of them syntheses that pooled it.
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Who cites it
18 citing papers in PubMed, 2 syntheses or guidelines pooled it, 38 citations in OpenAlex.
- Dissection of QTLs underlying the genetic basis of drought resistance in wheat: a meta-analysis.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2025Pooled it
- Responses of root system architecture to water stress at multiple levels: A meta-analysis of trials under controlled conditions.Frontiers in plant science · 2022Pooled it
- Integrative transcriptional regulatory networks governing cereal root responses to heavy metals and drought.Plant cell reports · 2026Review
- Multi-tissue transcriptomic profiling of foxtail millet in response to drought and rewatering.BMC plant biology · 2026Article
- Molecular basis of drought tolerance in Rosa xanthina: an integrated analysis of physiology, transcriptome, and NAC transcription factor.BMC genomics · 2026Article
- Molecular and Genetic Regulation of Crop Root System Architecture in Drought Resilience.Plants (Basel, Switzerland) · 2026Review
- Root system architecture and drought adaptation: emerging tools and genetic insights.Frontiers in plant science · 2026Review
- Investigating the Role and Response of Root Groups ofPlant-environment interactions (Hoboken, N.J.) · 2025Article
- Exploring physiological and molecular dynamics of drought stress responses in plants: challenges and future directions.Frontiers in plant science · 2025Review
- Meta-analysis of public RNA-sequencing data of drought and salt stresses in different phenotypes of resistant and susceptibleQuantitative plant biology · 2025Article
- Review
- PEG treatment is unsuitable to study root related traits as it alters root anatomy in barley (Hordeum vulgare L.).BMC plant biology · 2024Article
- Population genomics and morphological data bridge the centuries of cyanobacterial taxonomy along the continuum ofiScience · 2024Article
- Understanding role of roots in plant response to drought: Way forward to climate-resilient crops.The plant genome · 2024Review
- Uncovering the Genomic Regions Associated with Yield Maintenance in Rice Under Drought Stress Using an Integrated Meta-Analysis Approach.Rice (New York, N.Y.) · 2024Article
- Comparative metabolomics of root-tips reveals distinct metabolic pathways conferring drought tolerance in contrasting genotypes of rice.BMC genomics · 2023Article
- Genome-wide association studies in rice germplasm reveal significant genomic regions for root and yield-related traits under aerobic and irrigated conditions.Frontiers in plant science · 2023Article
- Molecular Characterization and Drought Resistance of GmNAC3 Transcription Factor inInternational journal of molecular sciences · 2022Article
Corrections and comments
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Authors and funding
17 authors at 6 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Root system architecture (RSA) is an important agronomic trait with vital roles in plant productivity under water stress conditions. A deep and branched root system may help plants to avoid water stress by enabling them to acquire more water and nutrient resources. Nevertheless, our knowledge of the genetics and molecular control mechanisms of RSA is still relatively limited. In this study, we analyzed the transcriptome response of root tips to water stress in two well-known genotypes of rice: IR64, a high-yielding lowland genotype, which represents a drought-susceptible and shallow-rooting genotype; and Azucena, a traditional, upland, drought-tolerant and deep-rooting genotype. We collected samples from three zones (Z) of root tip: two consecutive 5 mm sections (Z1 and Z2) and the following next 10 mm section (Z3), which mainly includes meristematic and maturation regions. Our results showed that Z1 of Azucena was enriched for genes involved in cell cycle and division and root growth and development whereas in IR64 root, responses to oxidative stress were strongly enriched. While the expansion of the lateral root system was used as a strategy by both genotypes when facing water shortage, it was more pronounced in Azucena. Our results also suggested that by enhancing meristematic cell wall thickening for insulation purposes as a means of confronting stress, the sensitive IR64 genotype may have reduced its capacity for root elongation to extract water from deeper layers of the soil. Furthermore, several members of gene families such as
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