A two-strain synthetic Glutamicibacter consortium, S11, composed of Glutamicibacter arilaitensis NFB2-4 and Glutamicibacter nicotianae CYN-C5. Su et al. isolated both heterotrophic nitrification-aerobic denitrification strains from cattle manure and aquaculture sediments, combined them as consortium S11, and reported synergistic ammonium- and nitrite-nitrogen removal in aquaculture wastewater assays, a hydrophilic sponge recirculating system, and an industrial-scale recirculating aquaculture trial.
Taxonomy
| Taxon | Ontology ID | Functional Roles | Abundance |
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| Glutamicibacter arilaitensis NFB2-4 — ontology label: Glutamicibacter arilaitensis | NCBITaxon:256701 · TaxonMech · TraitMech | DOMINANT | |
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| Glutamicibacter nicotianae CYN-C5 — ontology label: Glutamicibacter nicotianae | NCBITaxon:37929 · TaxonMech · TraitMech | DOMINANT | |
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Ecological Interactions
The graph shows only explicitly linked interaction participants. Community members without an asserted participant link are omitted; membership alone does not imply an interaction.
Synergistic S11 ammonium and nitrite removal
The two-strain S11 consortium removed ammonium and nitrite more efficiently than the corresponding single-strain cultures. The primary abstract reports 95% ammonium-N and 97% nitrite-N removal within 24 h at initial concentrations of 30 mg/L each, pH 6-9 and C/N at least 15, described as a 15%-25% improvement over monocultures. This positive whole-consortium removal phenotype does not by itself establish reciprocal microbial fitness, exchanged intermediates or a formal interaction mechanism. The authors characterize the isolates as heterotrophic nitrification-aerobic denitrification strains, but the accessible abstract does not partition consortium removal among oxidation, denitrification, assimilation and other sinks or provide a nitrogen mass balance. Sponge-immobilized recirculation and industrial trials are separate assay contexts, not steps in a demonstrated causal chain; reported industrial residual nitrite fractions are not removal percentages.
Participating Taxa: Glutamicibacter arilaitensis NFB2-4, Glutamicibacter nicotianae CYN-C5
Metabolites: ammonium (CHEBI:28938 · MediaIngredientMech · CMMMech), nitrite (CHEBI:16301 · MediaIngredientMech · CMMMech)
Evidence
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PMID:41260371 - SUPPORT (IN_VITRO)"A synthetic consortium S11, composed of these two strains, exhibited marked synergistic nitrogen removal"
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PMID:41260371 - SUPPORT (IN_VITRO)"This represents a 15 %-25 % improvement over single-strain cultures."
Knowledge gaps & discussions (2)
KNOWLEDGE_GAP OPEN Resolve S11 inoculation ratios, full wastewater or medium chemistry, sponge immobilization protocol, reactor geometry, operating temperature, and field-trial deployment details from the full article.
The accessible PubMed abstract identifies the two member strains, S11 consortium identity, inorganic nitrogen endpoints, pH/C:N assay envelope, and headline sponge and industrial recirculating-aquaculture results, but Europe PMC reports the full article as subscription-only and not in PMC. Exact method details should be filled only after inspecting the version of record or author-accepted text.
Attaches to: engineering_design, growth_media, cultivation_setup
KNOWLEDGE_GAP OPEN Which nitrogen routes and partner effects explain S11 removal performance?
The accessible primary abstract identifies both strains as HNAD organisms and reports a positive consortium removal contrast, but does not resolve partner-specific viable growth, isotope flux, nitrogen mass balance, exchanged intermediates or pathway perturbations. Retain that positive HNAD characterization without assigning resolved graph-level ammonia-oxidation or denitrification flux. Full Methods and controls are unavailable for this review. Separate batch, sponge and industrial endpoints and do not equate residual concentration percentages with removal. Resolve these gaps before adding a reciprocal-benefit, route-specific or cross-feeding edge.
Attaches to: ecological_interactions#Synergistic S11 ammonium and nitrite removal
External Resources
| Name | Repository | Resource ID |
|---|---|---|
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PubMed entry for the Glutamicibacter S11 aquaculture SynCom
PubMed record for Su et al. 2026. |
OTHER | PMID:41260371 |
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DOI for the Glutamicibacter S11 aquaculture SynCom article
Version-of-record DOI for Su et al. 2026. |
OTHER | doi:10.1016/j.biortech.2025.133683 |
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Environmental Factors
| Factor | Value | Unit |
|---|---|---|
| S11 assay pH and C/N range | pH 6-9 and C/N >= 15 | N/A |
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Growth Media
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