ArticlePlant & cell physiology2020
GH3 Auxin-Amido Synthetases Alter the Ratio of Indole-3-Acetic Acid and Phenylacetic Acid in Arabidopsis.
Article in Plant & cell physiology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 37 papers.
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37 citing papers in PubMed, 65 citations in OpenAlex.
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- Arabidopsis GH3.10 conjugates jasmonates.Plant biology (Stuttgart, Germany) · 2025Article
- Unraveling the Mechanism of the Endophytic Bacterial StrainInternational journal of molecular sciences · 2025Article
- Integrated Transcriptomic and Metabolomic Analyses Reveal the Importance of the Terpenoid, Fatty Acid, and Flavonoid Pathways in Rice Cell Death and Defense.Plants (Basel, Switzerland) · 2025Article
- In Vitro Rooting of Poplar: Effects and Metabolism of Dichlorprop Auxin Ester Prodrugs.Plants (Basel, Switzerland) · 2025Article
- Distinct gene reprogramming in rosetted and symptomless shoots from the same mature rose plants infected with rose rosette virus.Frontiers in plant science · 2025Article
- Metabolomic and transcriptomic analyses unveil the accumulation of shikimic acid in the leaves ofFrontiers in plant science · 2025Article
- Article
- Transcriptomic and Physiological Analyses for the Role of Hormones and Sugar in Axillary Bud Development of Wild Strawberry Stolon.Plants (Basel, Switzerland) · 2024Article
- OsMYB14, an R2R3-MYB transcription factor, regulates plant height through the control of hormone metabolism in rice.Molecules and cells · 2024Article
- A maize semi-dwarf mutant reveals a GRAS transcription factor involved in brassinosteroid signaling.Plant physiology · 2024Article
- Genetic dissection of domestication traits in interspecific chickpea populations.The plant genome · 2024Article
- Investigating the biosynthesis and roles of the auxin phenylacetic acid duringFrontiers in plant science · 2024Article
- Laser-wound stimulated adventitious root formation ofFrontiers in plant science · 2024Article
- The Roles of GRETCHEN HAGEN3 (GH3)-Dependent Auxin Conjugation in the Regulation of Plant Development and Stress Adaptation.Plants (Basel, Switzerland) · 2023Review
- Transcriptomic and Hormone Analyses Provide Insight into the Regulation of Axillary Bud Outgrowth ofCurrent issues in molecular biology · 2023Article
- Biosynthetic Pathways of Hormones in Plants.Metabolites · 2023Review
- Genome-wide association study of quality traits and starch pasting properties of maize kernels.BMC genomics · 2023Article
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Authors and funding
5 authors at 5 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Auxin is the first discovered plant hormone and is essential for many aspects of plant growth and development. Indole-3-acetic acid (IAA) is the main auxin and plays pivotal roles in intercellular communication through polar auxin transport. Phenylacetic acid (PAA) is another natural auxin that does not show polar movement. Although a wide range of species have been shown to produce PAA, its biosynthesis, inactivation and physiological significance in plants are largely unknown. In this study, we demonstrate that overexpression of the CYP79A2 gene, which is involved in benzylglucosinolate synthesis, remarkably increased the levels of PAA and enhanced lateral root formation in Arabidopsis. This coincided with a significant reduction in the levels of IAA. The results from auxin metabolite quantification suggest that the PAA-dependent induction of GRETCHEN HAGEN 3 (GH3) genes, which encode auxin-amido synthetases, promote the inactivation of IAA. Similarly, an increase in IAA synthesis, via the indole-3-acetaldoxime pathway, significantly reduced the levels of PAA. The same adjustment of IAA and PAA levels was also observed by applying each auxin to wild-type plants. These results show that GH3 auxin-amido synthetases can alter the ratio of IAA and PAA in plant growth and development.
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