Irina Yu. Kirtsideli, Dmitry Yu. Vlasov, Evgeny V. Abakumov, Elena P. Barantsevich, Yuri K. Novozhilov, Viacheslav A. Krylenkov, Vladimir T. Sokolov
|Journal:||Czech Polar Reports|
|No. of Pages:||11|
|Publishers:||muniPress Masaryk University Brno|
|ISSN:||1805-0689 (Print), 1805-0697 (On-line)|
Biodiversity and number of airborne fungi isolated from indoor and outdoor air of different location in the areas of arctic settlement Tiksi (Russian Arctic) are described. Different locations (coastal areas, landscape, streets of Tiksi, abandoned empty houses, flats, public buildings) were observed. Aeromycota characterized by a significant biodiversity (50 species), but only several species were abundant. Airborne fungal spores concentration (CFU) in Tiksi locations was found low. The maximum spore concentrations were observed in air of the abandoned empty houses (inhabited in the past). Many species common for soil were observed at the samples taken at streets and abandoned buildings. Most of them are also known as inhabitants of building materials. Microfungi CFU at settlement territory was twice as high as natural territory. Phospholipase, albuminase and hemolytic activities of microfungi isolates as well as their relation to temperature were studied. Most of the tested isolates demonstrated high levels of all the tested activities. It was concluded that there is a risk of ‘‘mold’’ allergy diseases for the people especially with weakening of immunity at arctic settlement Tiksi. Main sources of the air contamination in arctic settlements and houses could be many anthropogenic substrates which were colonized by soil fungi.
airborne microfungi, Arctic, indoor and outdoor air, colony forming units, anthropogenic influence, exoenzyme activity, potential virulence
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