Candidatus SarcinathrixDid we forget anything? Let us know

Genus nameCandidatus Sarcinathrix
SourceMiDAS
Alternative namesEikelboom type 0914

Taxonomy (MiDAS 2.0)

KingdomBacteria
PhylumChloroflexi
ClassSJA-15
Order1-20
Family1-20

16S gene copy number-
GenomesNo

 In situOther
Filamentous13
Hydrophobic cell surface3


Confocal image of "Ca. Sarcinathrix" (white) in a WWTP. Other cells appear green. Scale bar = 10 microns. - Source:1

Aerobic heterotroph
Fermentation
Sugars

POSNEGVariableNot assessed

Description

Filamentous organisms with a type 0914 morphotype, which has long been associated with bulking and foaming episodes. Filaments are often arranged in bundles 1. In nutrient removal plants the Chloroflexi seem generally specialized in the aerobic metabolism of saccharides 2.

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Distribution plant/process configuration

Relatively more abundant in EBPR plants 1.

FISH probes

CFX449 and CFX1151 individually target 85% of sequences 3. CFX67a + CFX67b 1 target only a sub-set of the sequences making up the genus.

Metabolism

 In situOther
Chemoautotroph/Mixotroph3
AOB
NOB
Anammox
Aerobic Heterotroph3
PAO1
GAO1
Nitrite Reduction
Sulfate Reduction
Fermentation3
Acetogen
Methanogen
Short-chain Fatty Acids3
Sugars3
Proteins/Amino Acids3

Abundance Information

 10 % percentileMedian90 % percentile
Influent000
Activated Sludge0.10.41.3
Digester-Mesophilic00.10.5
Digester-Thermophilic00.10.4

Predominant InActivated sludge

References

[1] Speirs, McIlroy, Petrovski, Seviour (2011): The activated sludge bulking filament Eikelboom morphotype 0914 is a member of the Chloroflexi. Environ Microbiol Rep 3 (2): 159-65. doi:10.1111/j.1758-2229.2010.00201.x

[2] Kragelund, Levantesi, Borger, Thelen, Eikelboom, Tandoi, et al. (2007): Identity, abundance and ecophysiology of filamentous Chloroflexi species present in activated sludge treatment plants. FEMS Microbiol. Ecol. 59 (3): 671-82. doi:10.1111/j.1574-6941.2006.00251.x

[3] Nierychlo, Milobedzka, Petriglieri, McIlroy, Nielsen, McIlroy, et al. (2019): The morphology and metabolic potential of the Chloroflexi in full-scale activated sludge wastewater treatment plants. FEMS Microbiol. Ecol. 95 (2): . doi:10.1093/femsec/fiy228

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