Open Access
Open access
Scientific Reports, volume 12, issue 1, publication number 3458

The structure of microbial communities of activated sludge of large-scale wastewater treatment plants in the city of Moscow

Publication typeJournal Article
Publication date2022-03-02
Quartile SCImago
Q1
Quartile WOS
Q2
Impact factor4.6
ISSN20452322
Multidisciplinary
Abstract

Microbial communities in wastewater treatment plants (WWTPs) play a key role in water purification. Microbial communities of activated sludge (AS) vary extensively based on plant operating technology, influent characteristics and WWTP capacity. In this study we performed 16S rRNA gene profiling of AS at nine large-scale WWTPs responsible for the treatment of municipal sewage from the city of Moscow, Russia. Two plants employed conventional aerobic process, one plant—nitrification/denitrification technology, and six plants were operated with the University of Cape Town (UCT) anaerobic/anoxic/oxic process. Microbial communities were impacted by the technology and dominated by the Proteobacteria, Bacteroidota and Actinobacteriota. WWTPs employing the UCT process enabled efficient removal of not only organic matter, but also nitrogen and phosphorus, consistently with the high content of ammonia-oxidizing Nitrosomonas sp. and phosphate-accumulating bacteria. The latter group was represented by Candidatus Accumulibacter, Tetrasphaera sp. and denitrifiers. Co-occurrence network analysis provided information on key hub microorganisms in AS, which may be targeted for manipulating the AS stability and performance. Comparison of AS communities from WWTPs in Moscow and worldwide revealed that Moscow samples clustered together indicating that influent characteristics, related to social, cultural and environmental factors, could be more important than a plant operating technology.

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GOST Copy
Begmatov S. et al. The structure of microbial communities of activated sludge of large-scale wastewater treatment plants in the city of Moscow // Scientific Reports. 2022. Vol. 12. No. 1. 3458
GOST all authors (up to 50) Copy
Begmatov S., Dorofeev A. G., Kadnikov V. V., Beletsky A. V., Pimenov N. V., Ravin N. V., Mardanov A. V. The structure of microbial communities of activated sludge of large-scale wastewater treatment plants in the city of Moscow // Scientific Reports. 2022. Vol. 12. No. 1. 3458
RIS |
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RIS Copy
TY - JOUR
DO - 10.1038/s41598-022-07132-4
UR - https://doi.org/10.1038%2Fs41598-022-07132-4
TI - The structure of microbial communities of activated sludge of large-scale wastewater treatment plants in the city of Moscow
T2 - Scientific Reports
AU - Dorofeev, Alexander G
AU - Kadnikov, Vitaly V.
AU - Beletsky, Alexey V.
AU - Pimenov, Nikolai V.
AU - Mardanov, Andrey V.
AU - Begmatov, Shahjahon
AU - Ravin, Nikolai V.
PY - 2022
DA - 2022/03/02 00:00:00
PB - Springer Nature
IS - 1
VL - 12
PMID - 35236881
SN - 2045-2322
ER -
BibTex
Cite this
BibTex Copy
@article{2022_Begmatov
author = {Alexander G Dorofeev and Vitaly V. Kadnikov and Alexey V. Beletsky and Nikolai V. Pimenov and Andrey V. Mardanov and Shahjahon Begmatov and Nikolai V. Ravin},
title = {The structure of microbial communities of activated sludge of large-scale wastewater treatment plants in the city of Moscow},
journal = {Scientific Reports},
year = {2022},
volume = {12},
publisher = {Springer Nature},
month = {mar},
url = {https://doi.org/10.1038%2Fs41598-022-07132-4},
number = {1},
doi = {10.1038/s41598-022-07132-4}
}
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