ArticleBMC microbiology2023
Genome-centric metagenomic insights into the role of Chloroflexi in anammox, activated sludge and methanogenic reactors.
Article in BMC microbiology, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 33 papers.
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33 citing papers in PubMed, 160 citations in OpenAlex.
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- Comparative Analysis of Rhizosphere Bacteria ofPolish journal of microbiology · 2026Article
- Shotgun metagenomic and physicochemical profiling of municipal wastewater treatment plants using activated sludge and trickling filters.Scientific reports · 2026Article
- Chloroflexota in agricultural soils: current knowledge and future research directions.Frontiers in microbiology · 2026Review
- Rhizosphere soil fertility and microbial community characteristics ofFrontiers in plant science · 2026Article
- Molecular transformation of dissolved organic matter in paddy soils driven by electroactive microorganisms.Frontiers in microbiology · 2026Article
- A Comprehensive Analysis of Microbial Community and Nitrogen Removal Rate Predictions in Three Anammox Systems.Microorganisms · 2025Article
- Rhizosphere Effect Enhances Belowground Competition of Coastal InvasiveEcology and evolution · 2025Article
- Seasonal Changes Drive Shifts in Bacterial Community Structure and Functional Composition in the Yellow River (Zhengzhou Section).Current microbiology · 2025Article
- Pathogen-Phage Geomapping to Overcome Resistance.bioRxiv : the preprint server for biology · 2025Article
- Microbiota and methanogenic activities in an anaerobic internal circulation reactor: insights into biogas production from brewery wastewater.Biodegradation · 2025Article
- Physiological and transcriptomic response of enriched anammox culture upon elevated hydrazine exposure.Biodegradation · 2025Article
- Dynamic Response Mechanisms of Anammox Reactors Under Nitrogen-Loading Fluctuations: Nitrogen Removal Performance, Microbial Community Succession, and Metabolic Functions.Microorganisms · 2025Article
- Application of fungal inoculants enhances colonization of secondary bacterial degraders during in situ paddy straw degradation: a genomic insights into cross-domain synergism.International microbiology : the official journal of the Spanish Society for Microbiology · 2025Article
Corrections and comments
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Authors and funding
7 authors at 4 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundThe phylum Chloroflexi is highly abundant in a wide variety of wastewater treatment bioreactors. It has been suggested that they play relevant roles in these ecosystems, particularly in degrading carbon compounds and on structuring flocs or granules. Nevertheless, their function is not yet well understood as most species have not been isolated in axenic cultures. Here we used a metagenomic approach to investigate Chloroflexi diversity and their metabolic potential in three environmentally different bioreactors: a methanogenic full-scale reactor, a full-scale activated sludge reactor and a lab scale anammox reactor.
resultsDifferential coverage binning approach was used to assemble the genomes of 17 new Chloroflexi species, two of which are proposed as new Candidatus genus. In addition, we recovered the first representative genome belonging to the genus 'Ca. Villigracilis'. Even though samples analyzed were collected from bioreactors operating under different environmental conditions, the assembled genomes share several metabolic features: anaerobic metabolism, fermentative pathways and several genes coding for hydrolytic enzymes. Interestingly, genome analysis from the anammox reactor indicated a putative role of Chloroflexi in nitrogen conversion. Genes related to adhesiveness and exopolysaccharides production were also detected. Complementing sequencing analysis, filamentous morphology was detected by Fluorescent in situ hybridization.
conclusionOur results suggest that Chloroflexi participate in organic matter degradation, nitrogen removal and biofilm aggregation, playing different roles according to the environmental conditions.
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