Changes in volatile production during the course of fungal mycelial interactions between Hypholoma fasciculare and Resinicium bicolor

Hynes, Juliet, Müller, Carsten T. ORCID: https://orcid.org/0000-0003-0455-7132, Jones, Thomas Hefin ORCID: https://orcid.org/0000-0002-7874-3627 and Boddy, Lynne ORCID: https://orcid.org/0000-0003-1845-6738 2006. Changes in volatile production during the course of fungal mycelial interactions between Hypholoma fasciculare and Resinicium bicolor. Journal of Chemical Ecology 33 (1) , pp. 43-57. 10.1007/s10886-006-9209-6

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Abstract

The mycelia of two wood decay basidiomycete fungi were grown opposing each other across a 1-μm pore membrane supported on the surface of malt broth, contained within a sealable reaction vessel. Production of volatiles during the time course of interaction was followed by collecting head space samples by solid phase microextraction (100 μm polydimethylsiloxane fiber) on five occasions over 25 d following coinoculation of the fungi: 1, 3 (i.e., immediately prior to mycelial contact), 9 (1–2 d after initiation of pigment production by Resinicium bicolor), 17, and 25 d. Ten volatiles were produced during interactions that were not detected in single species controls. In general, most (18) fungal volatiles were sesquiterpenes eluted between 12.5 and 21 min, with a further two eluted at 29.1 and 33.9 min; a benzoic acid methyl ester, a benzyl alcohol, and a quinolinium type compound with a distinctive fragmentation pattern at m/z 203, 204, 206, and 207 were also identified; three volatiles with m/z maxima of 163, 159, and 206–208, respectively, remained unidentified. The results are discussed in relation to possible ecological roles of volatiles.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Biosciences
Subjects:	Q Science > Q Science (General)
Uncontrolled Keywords:	Sesquiterpene hydrocarbons; Benzoic acid methyl ester; Benzyl alcohol; Insect attraction; Fungal volatiles; GC/MS.
Publisher:	Springer
ISSN:	0098-0331
Last Modified:	27 Oct 2022 08:33
URI:	https://orca.cardiff.ac.uk/id/eprint/62635

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