Changes in volatile production during interspecific interactions between four wood rotting fungi growing in artificial media

Evans, Jennifer A., Eyre, Catherine A., Rogers, Hilary Joan ORCID: https://orcid.org/0000-0003-3830-5857, Boddy, Lynne ORCID: https://orcid.org/0000-0003-1845-6738 and Müller, Carsten Theodor ORCID: https://orcid.org/0000-0003-0455-7132 2008. Changes in volatile production during interspecific interactions between four wood rotting fungi growing in artificial media. Fungal Ecology 1 (2-3) , pp. 57-68. 10.1016/j.funeco.2008.06.001

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Abstract

Effects of volatile organic compounds (VOCs) produced during interspecific mycelial interactions were examined by measuring extension rate of ‘target’ fungi growing in agar plates taped above two interacting mycelia – Bjerkandera adusta, Hypholoma fasciculare, Stereum gausapatum and Trametes versicolor in all combinations. Extension rates of T. versicolor, S. gausapatum and H. fasciculare above self-pairings were not significantly different (P > 0.05) to growth above agar controls, but the extension rate of B. adusta was significantly (P ≤ 0.05) greater. Extension rates of T. versicolor and B. adusta were often significantly greater above inter-specific interactions and above other species compared with growth above self or agar controls. VOC production was quantified and qualified, by gas chromatography–mass spectrometry (GC/MS), over the course of interactions with T. versicolor replacing S. gausapatum, deadlocking with B. adusta and replaced by H. fasciculare. VOC production was species- and interaction-specific. It varied over the time course of interactions, and changes in production were correlated with production of pigments in interactions involving S. gausapatum. VOCs included 3 monoterpenes, benzoic acid, alkenols of different chain lengths, two long-chain hydrocarbons and a quinolinium-like compound. Their possible roles are discussed.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Biosciences
Subjects:	Q Science > QR Microbiology
Uncontrolled Keywords:	VOC; Basidiomycete; antagonism; terpenes; GC/MS; SPME fibres; semiochemicals
Publisher:	Elsevier
ISSN:	1754-5048
Last Modified:	19 Oct 2022 08:56
URI:	https://orca.cardiff.ac.uk/id/eprint/19526

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