Name: Ottowia pentelensis Felföldi et al. 2011

Category: Species

Proposed as: sp. nov.

Etymology: pen.te.len’sis. N.L. fem. adj. pentelensis, of or belonging to Pentele, referring to the traditional local name of Dunaújváros from where the inoculating sludge of the laboratory-scale activated sludge system was collected, from where the type strain was isolated

Pronunciation (Latin), gender: ot-TO-wi-a pen-te-LEN-sis, feminine

Type strain: DSM 21699; NCAIM B.02336; RB3-7

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: EU518930 Analyse FASTA

Valid publication: Felfoldi T, Keki Z, Sipos R, Marialigeti K, Tindall BJ, Schumann P, Toth EM. Ottowia pentelensis sp. nov., a floc-forming betaproteobacterium isolated from an activated sludge system treating coke plant effluent. Int J Syst Evol Microbiol 2011; 61:2146-2150. 🇭🇺

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 61, part 9 of the IJSEM. Int J Syst Evol Microbiol 2011; 61:2797-2798.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Notes:
  • 😷 The risk group for Germany has been imported on 2026-08-13. The full classification is: risk group = 1. — If in doubt, use the risk group given in the regulations for your country and, if these are not available, use the risk group given in the catalogue of the culture collection from which you have obtained or intend to obtain the strain.
  • 🎓 Name mentioned 8 times in PubMed until 2026-06-11.

Parent taxon: Ottowia Spring et al. 2004

Assigned by: Felfoldi T, Keki Z, Sipos R, Marialigeti K, Tindall BJ, Schumann P, Toth EM. Ottowia pentelensis sp. nov., a floc-forming betaproteobacterium isolated from an activated sludge system treating coke plant effluent. Int J Syst Evol Microbiol 2011; 61:2146-2150. 🇭🇺

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Record number: 789435