Enterococcus

Genus nameEnterococcus
SourcePublished
Alternative names
NCBI taxonomy ID1350

Taxonomy

KingdomBacteria
PhylumFirmicutes
ClassBacilli

16S gene copy number4-6
GenomesYes2

 In situOther
Filamentous456
Hydrophobic cell surface17


Whole cell identification of enterococci. Identical fields are viewed by phase contrast (left) and epifluorescence microscopy (right; double exposures using filter sets 09 and 15). B. subtilis, E. faecium and E. faecalis hybridized with the fluoroscein- labelled probe Efs (specific for E. faecalis) and the rhodamine-labelled probe Efm (specific for E. faecium). In the epifluorescence micrograph cells of E. faecalis are visualized green and E. faecium red. Where cells of these two species lay on each other the resulting colour upon double exposure is yellow. - Source:3

Aerobic heterotroph
Fermentation
Fatty acids
Sugars
Proteins/Amino acids

POSNEGVariableNot assessed

Description

Facultatively anaerobic, fermenters. Members of the genus utilize a wide range of organic substrates for growth including sugars, fatty acids and amino acids 4 5. Typically, cells of Enterococcus appear ovoid, occurring singly, in pairs or in short chains, however Nostocoida limicola-like filaments (>500 microns long) have been isolated by micromanipulation from industrial activated sludge 6.

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FISH probes

Efs (specific for E. faecalis) and Efm (specific for E. faecium) 3

Metabolism

 In situOther
Autotroph/Mixotroph
AOB
NOB
Anammox
Aerobic Heterotroph5
PAO
GAO
Nitrite Reduction
Sulphate Reduction
Fermentation456
Acetogen
Methanogen
Fatty Acids5
Sugars45
Proteins/Amino Acids5

Abundance Information

 10 % percentileMedian90 % percentile
Influent0.41.32.8
Activated Sludge00.10.2
Digester-Mesophilic000.1
Digester-Thermophilic00.10.2

Predominant InInfluent

References

[1] - -

[2] - NCBI genome database, NCBI id 1350 -

[3] - -

[4] - -

[5] - -

[6] Levantesi, Rossetti, Beimfohr, Thelen, Krooneman, van der Waarde, et al. - Description of filamentous bacteria present in industrial activated sludge WWTPs by conventional and molecular methods. - Water Sci. Technol. 54(1): 129-37.

[7] Hirt, Erlandsen, Dunny - Heterologous inducible expression of Enterococcus faecalis pCF10 aggregation substance asc10 in Lactococcus lactis and Streptococcus gordonii contributes to cell hydrophobicity and adhesion to fibrin. - J. Bacteriol. 182(8): 2299-306.

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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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