Candidatus AmarolineaDid we forget anything? Let us know

Genus nameCandidatus Amarolinea
SourcePublished
Alternative namesFormerly "Candidatus Amarilinum" (MiDAS 2.0), C10_SB1A (MiDAS 1.20)
NCBI taxonomy ID2303491

Taxonomy (MiDAS 2.0)

KingdomBacteria
PhylumChloroflexi

16S gene copy number1
GenomesYes1

 In situOther
Filamentous2
Hydrophobic cell surface2


FISH image of full-scale activation sludge. "Candidatus Amarolinea" is red while all other cells appear blue. Bar, 20 µm. - Source:2

Aerobic heterotroph
Fermentation
Sugars

POSNEGVariableNot assessed

Description

Novel phylotype belong to novel family Amarolineaceae. The phylotype is capable of aerobic respiration, fermentation, and dissimilartory nitrate reduction to ammonia 1. The cells are rectangular without visible septa, a trichrome thickness of 1.0 - 2.2 µm, and a length in the 20 - 140 µm range. They are non-motile, Gram stain negative 2. The phylotype has been observed in high abundance in activate sludge with bulking problem .

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FISH probes

CFX64 covers the majortiy of the genus 2.

Metabolism

 In situOther
Chemoautotroph/Mixotroph21
AOB
NOB
Anammox
Aerobic Heterotroph21
PAO2
GAO
Nitrite Reduction1
Sulfate Reduction
Fermentation21
Acetogen
Methanogen
Short-chain Fatty Acids2
Sugars21
Proteins/Amino Acids2

Abundance Information

 10 % percentileMedian90 % percentile
Influent000.1
Activated Sludge00.15
Digester-Mesophilic00.10.8
Digester-Thermophilic00.88.1

Predominant InActivated sludge

References

[1] Andersen, McIlroy, Nierychlo, Nielsen, Albertsen (2019): Genomic insights into Candidatus Amarolinea aalborgensis gen. nov., sp. nov., associated with settleability problems in wastewater treatment plants. Syst. Appl. Microbiol. 42 (1): 77-84. doi:10.1016/j.syapm.2018.08.001

[2] 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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