ArticleApplied and environmental microbiology2015
Biosynthesis and Secretion of Indole-3-Acetic Acid and Its Morphological Effects on Tricholoma vaccinum-Spruce Ectomycorrhiza.
Article in Applied and environmental microbiology, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 36 papers.
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Who cites it
36 citing papers in PubMed, 82 citations in OpenAlex.
- Indole-3-Acetic Acid Biosynthesis by Endophytic Fungi and Its Association with Plant-Fungus Interactions.Journal of fungi (Basel, Switzerland) · 2026Review
- The alterations of the synthetic pathway and metabolic flux of auxin indole-3-acetic acid govern thermotolerance inMicrobiology spectrum · 2026Article
- Multi-meta-omics reveal unique symbiotic synchronization between ectomycorrhizal fungus and soil microbiome in Tricholoma matsutake habitat.Microbiome · 2025Article
- Cloning and Functional Analysis of the Aldehyde Dehydrogenase GeneJournal of fungi (Basel, Switzerland) · 2025Article
- Effects of lichen symbiotic bacteria-derived indole-3-acetic acid on the stress responses of an algal-fungal symbiont.Brazilian journal of microbiology : [publication of the Brazilian Society for Microbiology] · 2025Article
- Multidrug and Toxic Compound Extrusion Transporters: Ubiquitous Multifaceted Proteins in Microbes, Plants, and Their Interactions.Microorganisms · 2024Review
- Genetic regulation of L-tryptophan metabolism in Psilocybe mexicana supports psilocybin biosynthesis.Fungal biology and biotechnology · 2024Article
- Chromosome-Level Assembly and Comparative Genomic Analysis ofJournal of fungi (Basel, Switzerland) · 2024Article
- Non-canonical two-step biosynthesis of anti-oomycete indole alkaloids in Kickxellales.Fungal biology and biotechnology · 2023Article
- Biosynthetic Pathways and Functions of Indole-3-Acetic Acid in Microorganisms.Microorganisms · 2023Review
- Nuclear Genome Sequence and Gene Expression of an Intracellular Fungal Endophyte Stimulating the Growth of Cranberry Plants.Journal of fungi (Basel, Switzerland) · 2023Article
- A novel endophytic fungus strain ofFrontiers in microbiology · 2023Article
- Pre-symbiotic response of the compatible host spruce and low-compatibility host pine to the ectomycorrhizal fungusFrontiers in microbiology · 2023Article
- Morphological and Transcriptional Characteristics of the Symbiotic Interaction betweenJournal of fungi (Basel, Switzerland) · 2022Article
- Ectomycorrhizal Inoculation Enhances the Salt Tolerance ofPlants (Basel, Switzerland) · 2021Article
- Comparative genomics reveals dynamic genome evolution in host specialist ectomycorrhizal fungi.The New phytologist · 2021Article
- Phytohormones and volatile organic compounds, like geosmin, in the ectomycorrhiza of Tricholoma vaccinum and Norway spruce (Picea abies).Mycorrhiza · 2021Article
- Root Morphogenesis ofFrontiers in plant science · 2021Article
- Research Progress on Phytopathogenic Fungi and Their Role as Biocontrol Agents.Frontiers in microbiology · 2021Review
- A MATE Transporter is Involved in Pathogenicity and IAA Homeostasis in the Hyperplastic Plant PathogenMicroorganisms · 2020Article
Corrections and comments
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Authors and funding
8 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Fungus-derived indole-3-acetic acid (IAA), which is involved in development of ectomycorrhiza, affects both partners, i.e., the tree and the fungus. The biosynthesis pathway, excretion from fungal hyphae, the induction of branching in fungal cultures, and enhanced Hartig net formation in mycorrhiza were shown. Gene expression studies, incorporation of labeled compounds into IAA, heterologous expression of a transporter, and bioinformatics were applied to study the effect of IAA on fungal morphogenesis and on ectomycorrhiza. Tricholoma vaccinum produces IAA from tryptophan via indole-3-pyruvate, with the last step of this biosynthetic pathway being catalyzed by an aldehyde dehydrogenase. The gene ald1 was found to be highly expressed in ectomycorrhiza and induced by indole-3-acetaldehyde. The export of IAA from fungal cells is supported by the multidrug and toxic extrusion (MATE) transporter Mte1 found in T. vaccinum. The addition of IAA and its precursors induced elongated cells and hyphal ramification of mycorrhizal fungi; in contrast, in saprobic fungi such as Schizophyllum commune, IAA did not induce morphogenetic changes. Mycorrhiza responded by increasing its Hartig net formation. The IAA of fungal origin acts as a diffusible signal, influencing root colonization and increasing Hartig net formation in ectomycorrhiza.
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