ArticlePlant direct2019
Antagonistic activity of auxin and cytokinin in shoot and root organs.
Article in Plant direct, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 28 papers.
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Who cites it
28 citing papers in PubMed.
- Article
- Tubulin post-translational modifications are conserved during land plant evolution.BMC plant biology · 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
- The Elimination of Viroids through In Vitro Thermotherapy and a Meristem Tip Culture from a New Limonime Hybrid (Biotech (Basel (Switzerland)) · 2024Article
- Humic acid improves wheat growth by modulating auxin and cytokinin biosynthesis pathways.AoB PLANTS · 2024Article
- Differential gene expression during floral transition in pineapple.Plant direct · 2023Article
- Comparative transcriptome analysis of high- and low-embryogenic Hevea brasiliensis genotypes reveals involvement of phytohormones in somatic embryogenesis.BMC plant biology · 2023Article
- Unravelling 3D growth in the moss Physcomitrium patens.Essays in biochemistry · 2022Article
- Transcription FactorInternational journal of molecular sciences · 2022Article
- Auxin-Cytokinin Cross Talk in Somatic Embryogenesis ofPlants (Basel, Switzerland) · 2022Article
- Expression of the auxin biosynthetic genesPlant biotechnology (Tokyo, Japan) · 2022Article
- The Photoperiod Stress Response inInternational journal of molecular sciences · 2022Article
- Micro-RNA-RegulatedPlants (Basel, Switzerland) · 2022Article
- Auxin/Cytokinin Antagonistic Control of the Shoot/Root Growth Ratio and Its Relevance for Adaptation to Drought and Nutrient Deficiency Stresses.International journal of molecular sciences · 2022Review
- Mining for genes related to pistil abortion inPeerJ · 2022Article
- Identification and Characterization of Key Genes Responsible for Weedy and Cultivar Growth Types in Soybean.Frontiers in genetics · 2022Article
- Genotypic-specific hormonal reprogramming and crosstalk are crucial for root growth and salt tolerance in bermudagrass (Frontiers in plant science · 2022Article
- Auxin Interactions with Other Hormones in Plant Development.Cold Spring Harbor perspectives in biology · 2021Review
- GmPIN-dependent polar auxin transport is involved in soybean nodule development.The Plant cell · 2021Article
- Auxin and Cytokinin Interplay during Leaf Morphogenesis and Phyllotaxy.Plants (Basel, Switzerland) · 2021Review
Corrections and comments
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Authors and funding
3 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The hormones auxin and cytokinin are essential for plant growth and development. Because of the central importance of root and shoot apical meristems in plant growth, auxin/cytokinin interactions have been predominantly analyzed in relation to apical meristem formation and function. In contrast, the auxin/cytokinin interactions during organ growth have remained largely unexplored. Here, we show that a specific interaction between auxin and cytokinin operates in both the root and the shoot where it serves as an additional determinant of plant development. We found that auxin at low concentrations limits the action of cytokinin. An increase in cytokinin level counteracts this inhibitory effect and leads to an inhibition of auxin signaling. At higher concentrations of both hormones, these antagonistic interactions between cytokinin and auxin are absent. Thus, our results reveal a bidirectional and asymmetrical interaction of auxin and cytokinin beyond the bounds of apical meristems. The relation is bidirectional in that both hormones exert inhibitory effects on each other's signaling mechanisms. However, this relation is also asymmetrical because under controlled growth conditions, auxin present in nontreated plants suppresses cytokinin signaling, whereas the reverse is not the case.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.