ArticlePlant physiology2022
Uncoupling differential water usage from drought resistance in a dwarf Arabidopsis mutant.
Article in Plant physiology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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11 citing papers in PubMed.
- Cross-species transcriptomics uncovers shared responses to water deficiency in plants.The plant genome · 2026Article
- Overexpression of cytosolic NADP-malic enzyme 1 from the common ice plant enhances water-deficit and high-light stress tolerance by modulating water-use efficiency and flavonoid biosynthesis.The Plant journal : for cell and molecular biology · 2026Article
- COST1 stimulates RHD3 GTPase activity to maintain ER morphology and plant growth inScience advances · 2026Article
- Variability in drought gene expression datasets highlights the need for paired physiology and community standardization.Plant physiology · 2026Article
- The Mitochondrial Protein RESISTANCE to APHIDS 9 Interacts with S40 to Resist Aphid Infestation by Modulating Reactive Oxygen Species Homeostasis in Maize (Zea mays).Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Article
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- The lowdown on breakdown: Open questions in plant proteolysis.The Plant cell · 2024Review
- 5-Aminolevulinic acid improves cold resistance through regulation of SlMYB4/SlMYB88-SlGSTU43 module to scavenge reactive oxygen species in tomato.Horticulture research · 2024Article
- A Comparison of Different Stomatal Density Phenotypes ofPlants (Basel, Switzerland) · 2023Article
- Evaluating Plant Drought Resistance with a Raspberry Pi and Time-lapse Photography.Bio-protocol · 2023Article
- Time for a drought experiment: Do you know your plants' water status?The Plant cell · 2023Article
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Authors and funding
3 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Understanding the molecular and physiological mechanisms of how plants respond to drought is paramount to breeding more drought-resistant crops. Certain mutations or allelic variations result in plants with altered water-use requirements. To correctly identify genetic differences which confer a drought phenotype, plants with different genotypes must be subjected to equal levels of drought stress. Many reports of advantageous mutations conferring drought resistance do not control for soil water content (SWC) variations across genotypes and may therefore need to be re-examined. Here, we reassessed the drought phenotype of the Arabidopsis (Arabidopsis thaliana) dwarf mutant, chiquita1-1 (chiq1-1, also called constitutively stressed 1 (cost1)), by growing mutant seedlings together with the wild-type to ensure uniform soil water availability across genotypes. Our results demonstrate that the dwarf phenotype conferred by loss of CHIQ1 function results in constitutively lower water usage per plant, but not increased drought resistance. Our study provides an easily reproducible, low-cost method to measure and control for SWC and to compare drought-resistant genotypes more accurately.
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