Abstract
The analysis of the number and species structure of yeast communities of urban soils near the sites of the household waste storage in the city of Moscow was executed using a standard method for sowing glucose-peptone-yeast medium. In all studied soils there were found yeast fungi whose abundance exceeds the indices for undisturbed soils. The identification of the collection of isolated strains based on the analysis of the nucleotide sequence of the D1/D2 domains of the large subunit of rDNA showed in urban soils the presence of 33 yeast fungi, a significant proportion which are species - Candida parapsilosis, C. tropicalis, Diutina catenulata, clinically important for the health of people. An analysis of the taxonomic structure of urban soils also showed marked changes in yeast groups compared to undisturbed soils: a lower proportion of basidiomycetes and a lack of typical pedobionts of the genus Solicoccozyma. The data obtained in the course of the conducted research testify to the advisability of observing the existing standards for storing household waste and the need for additional measures to reduce the risks associated with the presence of clinically important yeast species in similar zones within the city.
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