Gelria

Genus nameGelria
SourcePublished
Alternative names
NCBI taxonomy ID189326

Taxonomy

KingdomBacteria
PhylumFirmicutes
ClassClostridia
GenusGelria

16S gene copy number-
GenomesNo

 In situOther
Filamentous1
Hydrophobic cell surface


Phase-contrast micrograph of strain TGO(T) grown on pyruvate. The arrow indicates the start of spore formation. Bar = 5 microns. - Source:1

Autotroph/Mixotroph
Fermentation
Acetogen
Sugars
Proteins/Amino acids

POSNEGVariableNot assessed

Description

Strictly anaerobic, thermophilic and syntrophic bacteria with rod shaped morphology in pure culture 1. The sole species of the genus Gelria glutamica is a strictly syntrophic, glutamate-degrading organism, which forms a syntrophic association with a hydrogenotrophic methanogen, Methanobacterium thermoautotrophicus 1. In co-culture, these bacteria can utilise glutamate, a-ketoglutarate, proline, casamino acids and a number of sugars under thermophilic conditions 1. Products of glutamate and proline oxidation are propionate, H2, NH4+ and CO2, while sugars are converted to acetate, propionate, CO2 and H2 1. Nothing is known about the genus' physiology in situ.

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Metabolism

 In situOther
Autotroph/Mixotroph2
AOB
NOB
Anammox
Aerobic Heterotroph1
PAO
GAO
Nitrite Reduction
Sulphate Reduction1
Fermentation1
Acetogen2
Methanogen
Fatty Acids
Sugars1
Proteins/Amino Acids1

Abundance Information

 10 % percentileMedian90 % percentile
Influent000
Activated Sludge000
Digester-Mesophilic0.20.61.3
Digester-Thermophilic1.72.33.5

Predominant InAD

References

[1] Plugge, Balk, Zoetendal, Stams - Gelria glutamica gen. nov., sp. nov., a thermophilic, obligately syntrophic, glutamate-degrading anaerobe. - Int. J. Syst. Evol. Microbiol. 52(Pt 2): 401-7. doi:10.1099/00207713-52-2-401

[2] Mosbæk, Kjeldal, Mulat, Albertsen, Ward, Feilberg, et al. - Identification of syntrophic acetate-oxidizing bacteria in anaerobic digesters by combined protein-based stable isotope probing and metagenomics. - ISME J 10(10): 2405-18. doi:10.1038/ismej.2016.39

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The MiDAS taxonomy is a manual curation of the Silva database and is redistributed for non-commercial use only.

 

Citing MiDAS: McIlroy S.J., Saunders A.M., Albertsen M., Nierychlo M., McIlroy B., Hansen A.A., Karst S.M., Nielsen J.L., Nielsen P.H. (2015) MiDAS: the field guide to the microbes of activated sludge. Database, Vol. 2015

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