ArticlePlant physiology2015
Development of the Poplar-Laccaria bicolor Ectomycorrhiza Modifies Root Auxin Metabolism, Signaling, and Response.
Article in Plant physiology, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 32 papers.
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Who cites it
32 citing papers in PubMed, 87 citations in OpenAlex.
- Impact of nitrogen on ectomycorrhizal fungi: from resource exchange to forest carbon cycling.Journal of experimental botany · 2026Review
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- Aspen-associated soil microbiomes reveal different strategies for nitrogen acquisition across ecosystems in Mexico and Canada.FEMS microbiology ecology · 2026Article
- Low Temperature Enhances N-Metabolism in Paxillus involutus Mycelia In Vitro: Evidence From an Untargeted Metabolomic Study.Environmental microbiology · 2025Article
- Plant-Fungi Mutualism, Alternative Splicing, and Defense Responses: Balancing Symbiosis and Immunity.International journal of molecular sciences · 2025Review
- Beneficial mutualistic fungus Suillus luteus provided excellent buffering insurance in Scots pine defense responses under pathogen challenge at transcriptome level.BMC plant biology · 2025Article
- Exploring and exploiting the rice phytobiome to tackle climate change challenges.Plant communications · 2024Review
- Biosynthetic Pathways and Functions of Indole-3-Acetic Acid in Microorganisms.Microorganisms · 2023Review
- Effect of Ectomycorrhizal Fungi on the Drought Resistance ofJournal of fungi (Basel, Switzerland) · 2023Article
- Early Effects of Mycorrhizal Fungal Inoculum and Fertilizer on Morphological and Physiological Variables of Nursery-GrownPlants (Basel, Switzerland) · 2023Article
- Preliminary exploration on the ectomycorrhizal status of a wild edibleMycoscience · 2023Article
- Effects of nitrogen addition and root fungal inoculation on the seedling growth and rhizosphere soil microbial community ofFrontiers in microbiology · 2022Article
- Novel Microdialysis Technique Reveals a Dramatic Shift in Metabolite Secretion during the Early Stages of the Interaction between the Ectomycorrhizal FungusMicroorganisms · 2021Article
- Effects of ectomycorrhizal fungi (Suillus variegatus) on the growth, hydraulic function, and non-structural carbohydrates of Pinus tabulaeformis under drought stress.BMC plant biology · 2021Article
- Comparative genomics reveals dynamic genome evolution in host specialist ectomycorrhizal fungi.The New phytologist · 2021Article
- Colonization of Naive Roots fromApplied and environmental microbiology · 2021Article
- Unique and common traits in mycorrhizal symbioses.Nature reviews. Microbiology · 2020Review
- Alterations in the phenylpropanoid pathway affect poplar ability for ectomycorrhizal colonisation and susceptibility to root-knot nematodes.Mycorrhiza · 2020Article
- Symbiotic and Asymbiotic Germination ofInternational journal of molecular sciences · 2020Article
Corrections and comments
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Authors and funding
7 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Root systems of host trees are known to establish ectomycorrhizae (ECM) interactions with rhizospheric fungi. This mutualistic association leads to dramatic developmental modifications in root architecture, with the formation of numerous short and swollen lateral roots ensheathed by a fungal mantle. Knowing that auxin plays a crucial role in root development, we investigated how auxin metabolism, signaling, and response are affected in poplar (Populus spp.)-Laccaria bicolor ECM roots. The plant-fungus interaction leads to the arrest of lateral root growth with simultaneous attenuation of the synthetic auxin response element DR5. Measurement of auxin-related metabolites in the free-living partners revealed that the mycelium of L. bicolor produces high concentrations of the auxin indole-3-acetic acid (IAA). Metabolic profiling showed an accumulation of IAA and changes in the indol-3-pyruvic acid-dependent IAA biosynthesis and IAA conjugation and degradation pathways during ECM formation. The global analysis of auxin response gene expression and the regulation of AUXIN SIGNALING F-BOX PROTEIN5, AUXIN/IAA, and AUXIN RESPONSE FACTOR expression in ECM roots suggested that symbiosis-dependent auxin signaling is activated during the colonization by L. bicolor. Taking all this evidence into account, we propose a model in which auxin signaling plays a crucial role in the modification of root growth during ECM formation.
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