Who is Controlling whom within the Ectomycorrhizal Symbiosis: Insights from Genomic and Functional Analyses

Veneault‐Fourrey, Claire; Plett, Jonathan M.; Martin, Francis

doi:10.1002/9781118297674.ch47

Cited by 5 publications

(5 citation statements)

References 103 publications

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“…Additionally, chemical modifications of organic matter occurring in the presence of glucose were correlated with the expression of a laccase, cytochrome P450 monooxygenase, and unspecific peroxygenase (Lundell, M€ akel€ a, & Hildén, 2010). Furthermore, laccases were upregulated in ECM root tips of both L. bicolor and ascomycete species Tuber melanosporum, suggesting that laccases may facilitate root colonization (Veneault-Fourrey, Plett, & Martin, 2013).…”

Section: Ectomycorrhizal Fungimentioning

confidence: 98%

Aromatic Metabolism of Filamentous Fungi in Relation to the Presence of Aromatic Compounds in Plant Biomass

Mäkelä

Marinovíc

Nousiainen

et al. 2015

Advances in Applied Microbiology

106

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Section: Ectomycorrhizal Fungimentioning

confidence: 98%

Aromatic Metabolism of Filamentous Fungi in Relation to the Presence of Aromatic Compounds in Plant Biomass

Mäkelä

Marinovíc

Nousiainen

et al. 2015

Advances in Applied Microbiology

106

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“…Among the Basidiomycota (Table 2), the class Agaricomycetes (18%) contains a large number of endophytes, mainly mushroom-forming (basidiome) fungi causing wood decay, white and brown rot saprotrophs, and the beneficial ectomycorrhiza (EMC) symbionts (97). Furthermore, members of the order Sebacinales form mycorrhizal symbioses with a broad range of plants, including woody plants and members of the families Orchidaceae and Ericaceae and the division Marchantiophyta (98).…”

Section: Endophyte Diversitymentioning

confidence: 99%

The Hidden World within Plants: Ecological and Evolutionary Considerations for Defining Functioning of Microbial Endophytes

Hardoim

Overbeek²,

Berg

et al. 2015

Microbiol Mol Biol Rev

2,077

1,460

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SUMMARY All plants are inhabited internally by diverse microbial communities comprising bacterial, archaeal, fungal, and protistic taxa. These microorganisms showing endophytic lifestyles play crucial roles in plant development, growth, fitness, and diversification. The increasing awareness of and information on endophytes provide insight into the complexity of the plant microbiome. The nature of plant-endophyte interactions ranges from mutualism to pathogenicity. This depends on a set of abiotic and biotic factors, including the genotypes of plants and microbes, environmental conditions, and the dynamic network of interactions within the plant biome. In this review, we address the concept of endophytism, considering the latest insights into evolution, plant ecosystem functioning, and multipartite interactions.

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“…For many trees, the development of ECM associations appears to be crucial for seedling establishment and tree growth (Veneault‐Fourrey et al . ). However, some of the key questions concerning ECM colonization of roots remain unanswered including those concerning the signals that are exchanged between the fungus and the host plant during the colonization process.…”

Section: Introductionmentioning

confidence: 97%

“…The main benefits of ECM fungi to trees include the improvement of nutrient and water uptake as well as increased abiotic stress tolerance and pathogen resistance (Smith & Read 2008;Lehto & Zwiazek 2011). For many trees, the development of ECM associations appears to be crucial for seedling establishment and tree growth (Veneault-Fourrey et al 2013). However, some of the key questions concerning ECM colonization of roots remain unanswered including those con-cerning the signals that are exchanged between the fungus and the host plant during the colonization process.…”

Section: Introductionmentioning

confidence: 99%

Laccaria bicolor aquaporin LbAQP1 is required for Hartig net development in trembling aspen (Populus tremuloides)

Navarro‐Ródenas

Kemppainen

et al. 2015

Plant Cell & Environment

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The development of ectomycorrhizal associations is crucial for growth of many forest trees. However, the signals that are exchanged between the fungus and the host plant during the colonization process are still poorly understood. In this study, we have identified the relationship between expression patterns of Laccaria bicolor aquaporin LbAQP1 and the development of ectomycorrhizal structures in trembling aspen (Populus tremuloides) seedlings. The peak expression of LbAQP1 was 700-fold higher in the hyphae within the root than in the free-living mycelium after 24 h of direct interaction with the roots. Moreover, in LbAQP1 knock-down strains, a non-mycorrhizal phenotype was developed without the Hartig net and the expression of the mycorrhizal effector protein MiSSP7 quickly declined after an initial peak on day 5 of interaction of the fungal hyphae with the roots. The increase in the expression of LbAQP1 required a direct contact of the fungus with the root and it modulated the expression of MiSSP7. We have also determined that LbAQP1 facilitated NO, H2 O2 and CO2 transport when heterologously expressed in yeast. The report demonstrates that the L. bicolor aquaporin LbAQP1 acts as a molecular signalling channel, which is fundamental for the development of Hartig net in root tips of P. tremuloides.

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Who is Controlling whom within the Ectomycorrhizal Symbiosis: Insights from Genomic and Functional Analyses

Cited by 5 publications

References 103 publications

Aromatic Metabolism of Filamentous Fungi in Relation to the Presence of Aromatic Compounds in Plant Biomass

Aromatic Metabolism of Filamentous Fungi in Relation to the Presence of Aromatic Compounds in Plant Biomass

The Hidden World within Plants: Ecological and Evolutionary Considerations for Defining Functioning of Microbial Endophytes

Laccaria bicolor aquaporin LbAQP1 is required for Hartig net development in trembling aspen (Populus tremuloides)

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