Name: Methylophaga nitratireducenticrescens Villeneuve et al. 2013

Category: Species

Proposed as: sp. nov.

Etymology: ni.tra.ti.re.du.cen.ti.cres’cens. N.L. masc. n. nitras (gen. nitratis), nitrate; L. pres. part. reducens, converting to a different state; L. pres. part. crescens, growing; N.L. fem. part. adj. nitratireducenticrescens, growing with the reduction of nitrate

Pronunciation, gender: ni-tra-ti-re-du-ken-ti-KRES-kens, feminine

Type strain: ATCC BAA-2433; DSM 25689; JAM 1

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: GU567814 Analyse FASTA

Valid publication: Villeneuve C, Martineau C, Mauffrey F, Villemur R. Methylophaga nitratireducenticrescens sp. nov. and Methylophaga frappieri sp. nov., isolated from the biofilm of the methanol-fed denitrification system treating the seawater at the Montreal Biodome. Int J Syst Evol Microbiol 2013; 63:2216-2222.

IJSEM list: Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 63, part 6 of the IJSEM. Int J Syst Evol Microbiol 2013; 63:3135-3137.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Notes:
  • 🧬 The phylogenomic assignment score of this taxon is 0.14553 (N = 8).
  • 😷 The risk group for Germany has been imported on 2023-10-29. 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 9 times in PubMed until 2025-06-04.

Parent taxon: Methylophaga Janvier et al. 1985

Assigned by: Villeneuve C, Martineau C, Mauffrey F, Villemur R. Methylophaga nitratireducenticrescens sp. nov. and Methylophaga frappieri sp. nov., isolated from the biofilm of the methanol-fed denitrification system treating the seawater at the Montreal Biodome. Int J Syst Evol Microbiol 2013; 63:2216-2222.

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Record number: 790880