Human exposure to airborne fungi from genera used as biocontrol agents in plant production
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National Research Centre for the Working Environment, Copenhagen Ø, Denmark
Department of Ecology, Faculty of Life Science, University of Copenhagen, Frederiksberg C, Denmark
Corresponding author
Anne Mette Madsen   

National Research Centre for the Working Environment, Lersø Parkallé 105 2100 Copenhagen Ø, Denmark.
Ann Agric Environ Med. 2007;14(1):5-24
The fungi Trichoderma harzianum, T. polysporum, T. viride, Paeciliomyces fumosoroseus, P. lilacinus, Verticillium/lecanicillium lecanii, Ulocladium oudemansii, U. atrum and Beauveria bassiana are used or considered to be used for biocontrol of pests and plant diseases. Human exposure to these fungi in environments where they may naturally occur or are used as biocontrol agents has not been directly investigated to date. This review aims to provide an overview of the current knowledge of human exposure to fungi from the relevant genera. The subject of fungal taxonomy due to the rapid development of this issue is also discussed. B. bassiana, V. lecanii, T. harzianum, T. polysporum, P. lilacinus and U. oudemansii were infrequently present in the air and thus people in general seem to be seldom exposed to these fungi. However, when V. lecanii was present, high concentrations were measured. Fungi from the genera Trichoderma, Paecilomyces and Ulocladium were rarely identifi ed to the species level and sometimes high concentrations were reported. T. viride and U. atrum were detected frequently in different environments and sometimes with a high frequency of presence in samples. Thus, people seem to be frequently exposed to these fungi. Sequence data have led to recent revisions of fungal taxonomy, and in future studies it is important to specify the taxonomy used for identifi cation, thus making comparisons possible.
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