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Int. J. Environ. Res. Public Health 2016, 13(9), 862; doi:10.3390/ijerph13090862

Occurrence of the Toxin-Producing Aspergillus versicolor Tiraboschi in Residential Buildings

Department of Applied Ecology, Faculty of Civil Engineering, Architecture and Environmental Engineering, Institute of Environmental Engineering, University of Zielona Góra, ul. Prof. Z. Szafrana 15, 65-516 Zielona Góra, Poland
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Author to whom correspondence should be addressed.
Academic Editor: Paul B. Tchounwou
Received: 15 June 2016 / Revised: 31 July 2016 / Accepted: 2 August 2016 / Published: 31 August 2016
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Abstract

In an area representative of a moderate climate zone (Lubuskie Province in Poland), mycological tests in over 270 flats demonstrated the occurrence of 82 species of moulds. Aspergillus versicolor Tiraboschi was often encountered on building partitions (frequency 4: frequently). The ability to synthesize the carcinogenic sterigmatocystin (ST) means that it poses a risk to humans and animals. Biotoxicological tests of biomasses of A. versicolor were conducted in the Microbiological and Toxicological Laboratory, using the planarians Dugesia tigrina (Girard). The obtained results of the tests covered a broad range of toxicity levels of isolated strains: from weakly toxic (100–1000 mg·L−3) to potently toxic (1–10 mg·L−3). The high-performance liquid chromatography (HPLC) physicochemical method confirmed the ability of A. versicolor strains to synthesize sterigmatocystin. All of the samples of the air-dry biomasses of the fungi contained ST in the range between 0.03 and 534.38 mg·kg−1. In the bio-safety level (BSL) classification A. versicolor belongs to category 1. Additionally, A. versicolor is an allergenic mould. View Full-Text
Keywords: Aspergillus versicolor; sterigmatocystin (ST); moulds; residential buildings; biotests Aspergillus versicolor; sterigmatocystin (ST); moulds; residential buildings; biotests
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Piontek, M.; Łuszczyńska, K.; Lechów, H. Occurrence of the Toxin-Producing Aspergillus versicolor Tiraboschi in Residential Buildings. Int. J. Environ. Res. Public Health 2016, 13, 862.

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