ArticlePlant physiology2013
Natural variation of Arabidopsis root architecture reveals complementing adaptive strategies to potassium starvation.
Article in Plant physiology, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 62 papers.
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Who cites it
62 citing papers in PubMed.
- NLP6/7-mediated nitrate signaling facilitates high-affinity potassium uptake and enhances tolerance to low potassium environments in Arabidopsis.The Plant journal : for cell and molecular biology · 2026Article
- Potassium Deficiency and Hormone Signalling in Plants.Plant, cell & environment · 2026Review
- A guard cell carbonic anhydrase binds and regulates SLAC1 separate from its catalytic activity.Nature communications · 2026Article
- Natural variation in potassium deficiency responses among Arabidopsis thaliana accessions.Plant & cell physiology · 2025Article
- Contribution of Range-Wide and Short-Scale Chemical Soil Variation to Local Adaptation in a Tropical Montane Forest Tree.Evolutionary applications · 2025Article
- Transcriptomic and physiological insights into auxin-mediated root growth and potassium uptake in tobacco under low-potassium stress.BMC plant biology · 2025Article
- Genetic Foundation of Leaf Senescence: Insights from Natural and Cultivated Plant Diversity.Plants (Basel, Switzerland) · 2024Review
- Population epigenetics: DNA methylation in the plant omics era.Plant physiology · 2024Article
- Effects of Magnesium Imbalance on Root Growth and Nutrient Absorption in Different Genotypes of Vegetable Crops.Plants (Basel, Switzerland) · 2023Article
- Allelic variations of ClACO gene improve nitrogen uptake via ethylene-mediated root architecture in watermelon.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2023Article
- The Role of IAA in Regulating Root Architecture of Sweetpotato (Plants (Basel, Switzerland) · 2023Article
- Plasticity of wheat seedling responses to KStress biology · 2023Article
- Effects of Tea Plant Varieties with High- and Low-Nutrient Efficiency on Nutrients in Degraded Soil.Plants (Basel, Switzerland) · 2023Article
- Response ofPeerJ · 2023Article
- Eugenol improves salt tolerance via enhancing antioxidant capacity and regulating ionic balance in tobacco seedlings.Frontiers in plant science · 2023Article
- Root Foraging Strategy Improves the Adaptability of Tea Plants (International journal of molecular sciences · 2022Article
- Genome-Wide Association Studies of Root-Related Traits inPlants (Basel, Switzerland) · 2022Article
- Transporter NRT1.5/NPF7.3 suppresses primary root growth under low KBMC plant biology · 2022Article
- The Defensive Role of Endogenous HInternational journal of molecular sciences · 2022Article
- Auxin-Regulated Lateral Root Organogenesis.Cold Spring Harbor perspectives in biology · 2021Review
2 more citing papers are in PubMed but not listed here.
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3 authors.
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Abstract
Root architecture is a highly plastic and environmentally responsive trait that enables plants to counteract nutrient scarcities with different foraging strategies. In potassium (K) deficiency (low K), seedlings of the Arabidopsis (Arabidopsis thaliana) reference accession Columbia (Col-0) show a strong reduction of lateral root elongation. To date, it is not clear whether this is a direct consequence of the lack of K as an osmoticum or a triggered response to maintain the growth of other organs under limiting conditions. In this study, we made use of natural variation within Arabidopsis to look for novel root architectural responses to low K. A comprehensive set of 14 differentially responding root parameters were quantified in K-starved and K-replete plants. We identified a phenotypic gradient that links two extreme strategies of morphological adaptation to low K arising from a major tradeoff between main root (MR) and lateral root elongation. Accessions adopting strategy I (e.g. Col-0) maintained MR growth but compromised lateral root elongation, whereas strategy II genotypes (e.g. Catania-1) arrested MR elongation in favor of lateral branching. K resupply and histochemical staining resolved the temporal and spatial patterns of these responses. Quantitative trait locus analysis of K-dependent root architectures within a Col-0 × Catania-1 recombinant inbred line population identified several loci each of which determined a particular subset of root architectural parameters. Our results indicate the existence of genomic hubs in the coordinated control of root growth in stress conditions and provide resources to facilitate the identification of the underlying genes.
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