ArticlePlant signaling & behavior2010
Lateral root stimulation in the early interaction between Arabidopsis thaliana and the ectomycorrhizal fungus Laccaria bicolor: is fungal auxin the trigger?
Article in Plant signaling & behavior, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.
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Who cites it
16 citing papers in PubMed, 43 citations in OpenAlex.
- Mycorrhizal fungi volatiles: determining the fate of plants against stress?Frontiers in plant science · 2026Review
- Morphological and Transcriptional Characteristics of the Symbiotic Interaction betweenJournal of fungi (Basel, Switzerland) · 2022Article
- A new endophytic fungus CJAN1179 isolated from the Cholistan desert promotes lateral root growth in Arabidopsis and produces IAA through tryptophan-dependent pathway.Archives of microbiology · 2022Article
- Ericoid mycorrhizal fungus enhances microcutting rooting ofHorticulture research · 2020Article
- The Ectomycorrhizal FungusThe Plant cell · 2019Article
- Role of Phytohormones inFrontiers in microbiology · 2018Review
- Control of Endogenous Auxin Levels in Plant Root Development.International journal of molecular sciences · 2017Review
- Article
- Beneficial Microbes Affect Endogenous Mechanisms Controlling Root Development.Trends in plant science · 2016Review
- Inter-plant communication through mycorrhizal networks mediates complex adaptive behaviour in plant communities.AoB PLANTS · 2015Article
- Novel findings on the role of signal exchange in arbuscular and ectomycorrhizal symbioses.Mycorrhiza · 2015Review
- Volatile signalling by sesquiterpenes from ectomycorrhizal fungi reprogrammes root architecture.Nature communications · 2015Article
- Oak root response to ectomycorrhizal symbiosis establishment: RNA-Seq derived transcript identification and expression profiling.PloS one · 2014Article
- Newly identified helper bacteria stimulate ectomycorrhizal formation in Populus.Frontiers in plant science · 2014Article
- Multiple control levels of root system remodeling in arbuscular mycorrhizal symbiosis.Frontiers in plant science · 2013Article
- Expression analysis of Clavata1-like and Nodulin21-like genes from Pinus sylvestris during ectomycorrhiza formation.Mycorrhiza · 2012Article
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Authors and funding
3 authors at 3 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Lateral root (LR) stimulation during early signal exchange between plant roots and ectomycorrhizal (ECM) fungi has recently been shown to be achieved by modulation of auxin gradients. We suggested that this modulation could occur through altered polar auxin transport (PAT) and through activation of auxin signalling pathways in the root. However, it remains unclear, which fungal molecules alter auxin pathways inside the plant partner. It has been suggested in previous studies that auxin released by the fungus could trigger observed plant responses during early signal exchange and later on during root colonization. Here we focus on the early interaction and we provide evidence for an alternative mechanism. Indeed, LR stimulation by the fungus in A. thaliana followed a totally different timing than with exogenously applied auxin. Furthermore, experimental conditions that excluded the exchange of soluble molecules while allowing exchange of volatile(s) between the plant and the fungus were sufficient for LR induction, therefore questioning the role of secreted fungal auxin. These data suggest that volatiles released by the fungus and sensed by the plant may act upstream of altered auxin signalling in the plant.
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