ArticleBiochemical and biophysical research communications2020
UDP-glucosyltransferase UGT84B1 regulates the levels of indole-3-acetic acid and phenylacetic acid in Arabidopsis.
Article in Biochemical and biophysical research communications, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 24 papers, 1 of them a synthesis that pooled it.
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24 citing papers in PubMed, 1 synthesis or guideline pooled it, 44 citations in OpenAlex.
- Identification of quantitative trait loci (QTL) and meta-QTL analysis for kernel size-related traits in wheat (Triticum aestivum L.).BMC plant biology · 2022Pooled it
- GH3 phylogenetic subgroups define divergent routes of auxin inactivation via aspartate and glutamine conjugation.Plant physiology · 2026Article
- PgUGT84K2, a Panax ginseng glycosyltransferase, catalyses IBA glycosylation and enhances abiotic stress tolerance in transgenic Arabidopsis.Plant biology (Stuttgart, Germany) · 2026Article
- Comprehensive characterisation of IAA inactivation pathways reveals the impact of glycosylation on auxin metabolism and plant development in Arabidopsis.Communications biology · 2026Article
- Article
- Identification of Auxin, Cytokinin, Transcription Factors, and Other Zygotic Embryogenesis-Related Genes inPlants (Basel, Switzerland) · 2025Article
- Phenylacetic acid metabolism in land plants: novel pathways and metabolites.Journal of experimental botany · 2025Article
- The Overexpression ofPlants (Basel, Switzerland) · 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
- Prioritization of candidate genes regulating the dwarfness in rice by integration of whole-genome and transcriptome analyses.Functional & integrative genomics · 2025Article
- An auxin research odyssey: 1989-2023.The Plant cell · 2024Review
- Investigating the biosynthesis and roles of the auxin phenylacetic acid duringFrontiers in plant science · 2024Article
- Recent advances in auxin biosynthesis and homeostasis.3 Biotech · 2023Review
- Al-induced CsUGT84J2 enhances flavonol and auxin accumulation to promote root growth in tea plants.Horticulture research · 2023Article
- Occurrence, Function, and Biosynthesis of the Natural Auxin Phenylacetic Acid (PAA) in Plants.Plants (Basel, Switzerland) · 2023Review
- Molecular Cloning and Functional Analysis ofLife (Basel, Switzerland) · 2022Article
- Chemical inhibition of the auxin inactivation pathway uncovers the roles of metabolic turnover in auxin homeostasis.Proceedings of the National Academy of Sciences of the United States of America · 2022Article
- Genome-wide identification, evolution and function analysis ofFrontiers in molecular biosciences · 2022Article
- Genome-wide identification, characterization, and expression analysis of UDP-glycosyltransferase genes associated with secondary metabolism in alfalfa (Frontiers in plant science · 2022Article
- The main oxidative inactivation pathway of the plant hormone auxin.Nature communications · 2021Article
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Authors and funding
10 authors at 5 institutions in 3 countries.
Funding
Abstract
Auxin is a key plant growth regulator for diverse developmental processes in plants. Indole-3-acetic acid (IAA) is a primary plant auxin that regulates the formation of various organs. Plants also produce phenylacetic acid (PAA), another natural auxin, which occurs more abundantly than IAA in various plant species. Although it has been demonstrated that the two auxins have distinct transport characteristics, the metabolic pathways and physiological roles of PAA in plants remain unsolved. In this study, we investigated the role of Arabidopsis UDP-glucosyltransferase UGT84B1 in IAA and PAA metabolism. We demonstrated that UGT84B1, which converts IAA to IAA-glucoside (IAA-Glc), can also catalyze the conversion of PAA to PAA-glucoside (PAA-Glc), with a higher catalytic activity in vitro. Furthermore, we showed a significant increase in both the IAA and PAA levels in the ugt84b1 null mutants. However, no obvious developmental phenotypes were observed in the ugt84b1 mutants under laboratory growth conditions. Moreover, the overexpression of UGT84B1 resulted in auxin-deficient root phenotypes and changes in the IAA and PAA levels. Our results indicate that UGT84B1 plays an important role in IAA and PAA homeostasis in Arabidopsis.
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