It is well known that wood rotting fungi produce microbial volatile organic compounds (MVOCs) as metabolites. In our previous studies, we have found that some MVOCs produced by wood rotting fungi are common to fungal species tested in the studies, while others are specific to each species. Furthermore, it has been also shown that each wood rotting fungi do not always produce the same type of MVOCs in the same quantity, but that the production patterns of MVOCs change depending on the decay stage and nutrient source. These facts suggest that MVOCs produced by wood rotting fungi may be associated with physiological activities, but information on this is limited. To obtain the knowledge of the effects of MVOC exposure on physiological activities of wood rotting fungi, in the present study, 14 MVOCs (1-octen-3-ol, 1-octen, 2,5-dimethylfuran, 2-methyl-1-butanol, 3-methyl-1-butanol, 3-methyl-2-butanone, 3-octanol, 3-octanone, methyl 2-furoate, methyl benzoate, methyl tiglate, nonane, octane and thujopsene) were diluted to 1% with acetone, and then exposed each at different concentration to four species of wood rotting fungi (white-rot fungi Trametes versicolor, and brown-rot fungi Coniophora puteana, Fomitopsis palustris and Gloeophyllum trabeum). After a certain period incubation, mycelial growth was measured based on the diameter of the colony where the mycelium has spread. Consequently, it was suggested that the effect of MVOCs exposure on mycelial growth varied depending on the environment in which the fungus was growing.

Download document (155 kb)
free for the members of IRG. Available if purchased.

Purchase this document