Rhodoferax

Genus nameRhodoferax
SourcePublished
Alternative namesAlbidoferax, Albidiferax
NCBI taxonomy ID28065

Taxonomy

KingdomBacteria
GenusRhodoferax

16S gene copy number2
GenomesYes12

 In situOther
Filamentous3456
Hydrophobic cell surface


Composite FISH micrographs of Rhodoferax-related (Rhod622) in a full-scale WWTP. Target cells in FISH micrograph overlays appear magenta [target probe (CY3 = red) + EUBmix (CY5 = blue)] and non-target blue (EUBmix only). Scale bar represents 20 microns. - Source:3

Autotroph/Mixotroph
Aerobic heterotroph
Nitrite reduction
Sulphate reduction
Fermentation
Fatty acids
Sugars
Proteins/Amino acids

POSNEGVariableNot assessed

Description

Identified as denitrifiers in activated sludge, although additional unknown anaerobic activities are noted 3. Mostly present as single cells, loosely associated microcolonies throughout the flocs or appearing to grow on the surface of unidentified cylindrical natural fibres (10-50 × 1500 + μm) 3. They are able to utilise a range of different carbon sources, including amino acids, sugars and short chain fatty acids. Anaerobic uptake in the absence of added electron acceptors (nitrate or nitrite) is suggested to be due to a fermentative ability or the ability to utilise alternate residual electron acceptors such as Fe(III) 3 4.

Show full entry

Diversity

The FISH probe used for in situ studies targets a broader clade than the genus Rhodoferax 3.

FISH probes

Rhod622 3

Metabolism

 In situOther
Autotroph/Mixotroph6
AOB
NOB
Anammox
Aerobic Heterotroph3456
PAO3
GAO
Nitrite Reduction324
Sulphate Reduction456
Fermentation456
Acetogen
Methanogen
Fatty Acids32456
Sugars3256
Proteins/Amino Acids325

Abundance Information

 10 % percentileMedian90 % percentile
Influent00.10.9
Activated Sludge0.724.1
Digester-Mesophilic0.10.31.2
Digester-Thermophilic0.10.30.7

Predominant InActivated sludge

References

[1] - NCBI genome database, NCBI id 28065 -

[2] Kaden, Spröer, Beyer, Krolla-Sidenstein - Rhodoferax saidenbachensis sp. nov., a psychrotolerant, very slowly growing bacterium within the family Comamonadaceae, proposal of appropriate taxonomic position of Albidiferax ferrireducens strain T118T in the genus Rhodoferax and emended description of the genus Rhodoferax. - Int. J. Syst. Evol. Microbiol. 64(Pt 4): 1186-93. doi:10.1099/ijs.0.054031-0

[3] McIlroy, Starnawska, Starnawski, Saunders, Nierychlo, Nielsen, et al. - Identification of active denitrifiers in full-scale nutrient removal wastewater treatment systems. - Environ. Microbiol. 18(1): 50-64. doi:10.1111/1462-2920.12614

[4] Finneran, Johnsen, Lovley - Rhodoferax ferrireducens sp. nov., a psychrotolerant, facultatively anaerobic bacterium that oxidizes acetate with the reduction of Fe(III). - Int. J. Syst. Evol. Microbiol. 53(Pt 3): 669-73. doi:10.1099/ijs.0.02298-0

[5] Hiraishi, A., Hoshino, Y., Satoh, T. (1991) Rhodoferax fermentans gen. nov., sp. nov., a phototrophic purple nonsulfur bacterium previously referred to as the "Rhodocyclus gelatinosus-like" group. Archives of microbiology. 155(4): 330-336. - Hiraishi 1991 -

[6] Madigan, Jung, Woese, Achenbach - Rhodoferax antarcticus sp. nov., a moderately psychrophilic purple nonsulfur bacterium isolated from an Antarctic microbial mat. - Arch. Microbiol. 173(4): 269-77.

Hide details

comments powered by Disqus

The online MiDAS field guide is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.

 

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

Contact us at mail@midasfieldguide.org