NDLI: Arthrinium phaeospermum isolated from Tuber borchii ascomata: the first evidence for a “Mycorrhization Helper Fungus”?

Content Provider	Springer Nature Link
Author	Sabella, Erika Nutricati, Eliana Aprile, Alessio Miceli, Antonio Sorce, Carlo Lorenzi, Roberto Bellis, Luigi
Copyright Year	2015
Abstract	A filamentous fungus was isolated from Tuber borchii Vitt. fruiting bodies, and it was identified as an Arthrinium phaeospermum (Corda) M.B. Ellis strain, an “endophyte” that forms various associations with healthy leaves, stems, and roots of plants. Molecular analysis confirmed the association of this filamentous fungus with the ascocarps of all collection sites in Salento, Apulia (South Italy). An in vitro symbiosis system between Cistus creticus L. and T. borchii was set up; A. phaeospermum appears to be able to promote mycorrhiza formation in Cistus seedlings, inducing primary root shortening and an increase of secondary roots, similar to the effect of Mycorrhization Helper Bacteria (MHB). Compartmented and uncompartmented bioassays were carried out to investigate the effects of exudates/volatiles released by the truffle-hosted fungus on root architecture; the results showed root shortening in compartmented bioassay suggesting that volatiles released by the fungus alone are sufficient to alter root morphology in early phase of interaction before the mycorrhiza formation. The first evidence for an influence of a truffle-hosted fungus on ectomycorrhizal symbiosis establishment is reported.
Starting Page	1
Ending Page	9
Page Count	9
File Format	PDF
ISSN	1617416X
Journal	Mycological Progress
Volume Number	14
Issue Number	8
e-ISSN	18618952
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2015-07-19
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Arthrinium phaeospermum Ectomycorrhizal fungi Mycorrhiza formation Mycorrhization helper bacteria Tuber borchii Vitt Plant Sciences Ecology Microbiology
Content Type	Text
Resource Type	Article
Subject	Plant Science Ecology, Evolution, Behavior and Systematics

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