ArticleMicrobial ecology2020
Disentangling Community Structure of Ecological System in Activated Sludge: Core Communities, Functionality, and Functional Redundancy.
Article in Microbial ecology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed, 54 citations in OpenAlex.
- Horizontal Gene Transfer and Genome Rearrangements Shape Bacterial Adaptation for Bioremediation.Environmental microbiology · 2026Review
- The functional analysis of NirBD in microorganisms and the efficacies of NirBD on the soil nitrogen storage and NSynthetic and systems biotechnology · 2026Review
- Dissolved oxygen and nitrates gradient influence marine microbial complexity and stability in Beibu Gulf.Frontiers in microbiology · 2025Article
- Seasonal dynamics of bacterial composition and functions in biological treatment of coking wastewater.Applied microbiology and biotechnology · 2024Article
- Effects of operational parameters on bacterial communities in Hong Kong and global wastewater treatment plants.mSystems · 2024Article
- Effects of microbubble pretreatment on physiochemical and microbial properties of excess activated sludge.Environmental science and pollution research international · 2024Article
- Integrating Genome-Resolved Metagenomics with Trait-Based Process Modeling to Determine Biokinetics of Distinct Nitrifying Communities within Activated Sludge.Environmental science & technology · 2022Article
- The structure of microbial communities of activated sludge of large-scale wastewater treatment plants in the city of Moscow.Scientific reports · 2022Article
- Microbial community and performance of a partial nitritation/anammox sequencing batch reactor treating textile wastewater.Heliyon · 2021Article
- Relevance of Candidatus Nitrotoga for nitrite oxidation in technical nitrogen removal systems.Applied microbiology and biotechnology · 2021Review
- Soil Bacterial Diversity and Potential Functions Are Regulated by Long-Term Conservation Tillage and Straw Mulching.Microorganisms · 2020Article
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Authors and funding
3 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The microbial ecosystems of the sludge were characterized in terms of the core community structure, functional pathways, and functional redundancy through Illumina MiSeq sequencing and PICRUSt analysis on the activated sludge (AS) samples from an extended activated aeration process. Based on the identified OTU distribution, we identified 125 core community genera, including 3 abundant core genera and 21 intermittent abundant core genera. Putative genera Nitrosomonas, Nitrotoga, Zoogloea, Novosphingobium, Thermomonas, Amaricoccus, Tetrasphaera, Candidatus Microthrix, and Haliscomenobacter, which are associated with functions of nitrifying, denitrifying, phosphorus accumulating, and bulking and foaming, were found to present as the core community organisms in the AS sampled from the conventional extended aeration AS processes. The high-abundant nitrogen metabolic pathways were associated with nitrate reduction to ammonium (DNRA and ANRA), denitrification, and nitrogen fixation, while the ammonia oxidation-related genes (amo) were rarely annotated in the AS samples. Strict functional redundancy was not found with the AS ecosystem as it showed a high correlation between the community composition similarity and function similarity. In addition, the classified dominant core genera community was found to be sufficient to characterize the functionality of AS, which could invigorate applications of 16S rDNA MiSeq sequencing and PICRUSt for the prediction of functions of AS ecosystems.
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