ReviewInternational journal of molecular sciences2022
Auxin/Cytokinin Antagonistic Control of the Shoot/Root Growth Ratio and Its Relevance for Adaptation to Drought and Nutrient Deficiency Stresses.
Review in International journal of molecular sciences, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 40 papers.
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Who cites it
40 citing papers in PubMed, 142 citations in OpenAlex.
- Photoperiod-dependent regulation of secondary growth by auxin flux: how it occurs and how to benefit from it.Biological reviews of the Cambridge Philosophical Society · 2026Review
- Evolutionary origin of a new gene drives root growth in one desert poplar.The New phytologist · 2026Article
- Exogenous 6-Benzyladenine and Kinetin Restrict Rice Seedling Root Growth, andPlants (Basel, Switzerland) · 2026Article
- Phytohormones as key regulators of plant resilience under salinity and extreme temperatures.Planta · 2026Review
- Enhancement of wheat's adaptability to recurrent drought by improving water transport and root physiological resistance through nitrogen application and partial root-zone irrigation technology.BMC plant biology · 2026Article
- The Small Auxin Upregulated RNAPlants (Basel, Switzerland) · 2026Article
- Micropropagation of Vaccinium meridionale Sw.: Interaction between basal media and cytokinins, physiological quality of shoots, and ex vitro rooting.Journal, genetic engineering & biotechnology · 2026Article
- OsAux1 is required for nutritropism in rice roots.The Plant journal : for cell and molecular biology · 2026Article
- Drought stress inFrontiers in plant science · 2026Review
- Phytohormonal regulation of root exudation: mechanisms and rhizosphere function.Plant signaling & behavior · 2025Review
- LncRNA-mediated early regulatory networks in sugar beet (Beta vulgaris L.) response to low nitrogen.BMC genomics · 2025Article
- Mycorrhizal inoculation mitigates drought stress in borage (Borago officinalis L.): Evidence from biochemical, physiological, and growth responses.BMC plant biology · 2025Article
- Biomechanical analysis reveals hormonal crosstalk in inflorescence bending of cut stock flower.Scientific reports · 2025Article
- Penicillium citrinum-infused Biochar and externally applied auxin enhances drought tolerance and growth of Solanum lycopersicum L. by modulating physiological, biochemical and antioxidant properties.BMC plant biology · 2025Article
- Rhizobium tropici biopolymer enhances lateral root formation in agar-grown Arabidopsis.Biochemical and biophysical research communications · 2025Article
- The Evolution of Plant Hormones: From Metabolic Byproducts to Regulatory Hubs.International journal of molecular sciences · 2025Review
- Metformin as a novel organic foliar bio-stimulant to enhance peanut (Arachis hypogaea L.) growth and yield under drought stress conditions.BMC plant biology · 2025Article
- Understanding and optimizing plant growth in water-limited environments: 'growth versus defence' or 'growth versus risk mitigation'?Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2025Article
- OsSDG715, a Histone H3K9 Methyltransferase, Integrates Auxin and Cytokinin Signaling to Regulate Callus Formation in Rice.Rice (New York, N.Y.) · 2025Article
- The Role of Phytohormones in Mediating Drought Stress Responses inInternational journal of molecular sciences · 2025Review
Corrections and comments
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Authors and funding
2 authors at 1 institution in 1 country.
Funding
Abstract
The hormones auxin and cytokinin regulate numerous aspects of plant development and often act as an antagonistic hormone pair. One of the more striking examples of the auxin/cytokinin antagonism involves regulation of the shoot/root growth ratio in which cytokinin promotes shoot and inhibits root growth, whereas auxin does the opposite. Control of the shoot/root growth ratio is essential for the survival of terrestrial plants because it allows growth adaptations to water and mineral nutrient availability in the soil. Because a decrease in shoot growth combined with an increase in root growth leads to survival under drought stress and nutrient limiting conditions, it was not surprising to find that auxin promotes, while cytokinin reduces, drought stress tolerance and nutrient uptake. Recent data show that drought stress and nutrient availability also alter the cytokinin and auxin signaling and biosynthesis pathways and that this stress-induced regulation affects cytokinin and auxin in the opposite manner. These antagonistic effects of cytokinin and auxin suggested that each hormone directly and negatively regulates biosynthesis or signaling of the other. However, a growing body of evidence supports unidirectional regulation, with auxin emerging as the primary regulatory component. This master regulatory role of auxin may not come as a surprise when viewed from an evolutionary perspective.
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