The impact The impact of local zones of the waste storage on yeast communities in urban soils
- Authors: Tepeeva A.N.1, Glushakova A.M.1, Kachalkin A.V.1
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Affiliations:
- Lomonosov Moscow State University
- Issue: Vol 97, No 1 (2018)
- Pages: 50-53
- Section: ENVIRONMENTAL HYGIENE
- Published: 14.10.2020
- URL: https://bulletin.ssaa.ru/0016-9900/article/view/640333
- DOI: https://doi.org/10.47470/0016-9900-2018-97-1-50-53
- ID: 640333
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Full Text
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.
About the authors
Aleksandra N. Tepeeva
Lomonosov Moscow State University
Author for correspondence.
Email: sasha211092@inbox.ru
Post-graduate student of the Department of Soil Biology, Faculty of Soil Science, M.V. Lomonosov Moscow State University, Moscow, 119991, Russian Federation.
e-mail: sasha211092@inbox.ru
Russian FederationA. M. Glushakova
Lomonosov Moscow State University
Email: noemail@neicon.ru
Russian Federation
A. V. Kachalkin
Lomonosov Moscow State University
Email: noemail@neicon.ru
Russian Federation
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