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Title: | An ectomycorrhizal symbiosis differently affects host susceptibility to two congeneric fungal pathogens | Authors: | Gonthier, Paolo Giordano, Luana Zampieri, Elisa Lione, Guglielmo Vizzini, Alfredo COLPAERT, Jan Balestrini, Raffaella |
Issue Date: | 2019 | Publisher: | ELSEVIER SCI LTD | Source: | FUNGAL ECOLOGY, 39, p. 250-256 | Abstract: | The role of ectomycorrhizal fungi in modulating host susceptibility to fungal pathogens is poorly known. Pinus sylvestris susceptibility to two congeneric fungal pathogens was compared between mycorrhizal and non-mycorrhizal plants. The ectomycorrhizal fungus was Suillus luteus, while the pathogens were Heterobasidion irregulare and H. annosum. H. irregulare is native to North-America and invasive to Europe, whereas S. luteus and H. annosum are native to Eurasia. Non-mycorrhizal plants were equally susceptible to both pathogens. Mycorrhizal plants were significantly less susceptible to H. annosum than non-mycorrhizal plants, whereas there were no differences when considering H. irregulare. The abundance of ectomycorrhizas was negatively and significantly correlated to the level of host susceptibility only to H. annosum. This study shows that the protective role of ectomycorrhizal fungi may differ when the host is challenged by congeneric fungal pathogens. Results add a further clue to explain and predict the invasiveness of H. irregulare in Europe. (C) 2018 Elsevier Ltd and British Mycological Society. All rights reserved. | Notes: | [Gonthier, Paolo; Giordano, Luana; Zampieri, Elisa; Lione, Guglielmo] Univ Torino, Dept Agr Forest & Food Sci DISAFA, Grugliasco, Italy. [Giordano, Luana] Univ Torino, Ctr Competence Innovat Agroenvironm Field AGROINN, Grugliasco, Italy. [Vizzini, Alfredo] Univ Torino, Dept Life Sci & Syst Biol DBIOS, Turin, Italy. [Vizzini, Alfredo; Balestrini, Raffaella] CNR, Inst Sustainable Plant Protect IPSP, Turin, Italy. [Colpaert, Jan, V] Univ Hasselt, Ctr MilieuKunde CMK, Diepenbeek, Belgium. [Zampieri, Elisa] Council Agr Res & Econ CREA CI, Vercelli, Italy. | Keywords: | Biological invasions; Coevolution; Fungal interactions; Heterobasidion annosum; Heterobasidion irregulare; Microbiome; Pinus sylvestris; Suillus luteus; Symbiont;Biological invasions; Coevolution; Fungal interactions; Heterobasidion annosum; Heterobasidion irregulare; Microbiome; Pinus sylvestris; Suillus luteus; Symbiont | Document URI: | http://hdl.handle.net/1942/28944 | ISSN: | 1754-5048 | e-ISSN: | 1878-0083 | DOI: | 10.1016/j.funeco.2018.12.008 | ISI #: | 000468717200024 | Category: | A1 | Type: | Journal Contribution | Validations: | ecoom 2020 |
Appears in Collections: | Research publications |
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gonthier 1.pdf Restricted Access | Published version | 434.68 kB | Adobe PDF | View/Open Request a copy |
Gonthier et al. Fungal Ecology_JC.pdf | Peer-reviewed author version | 1.5 MB | Adobe PDF | View/Open |
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