Name: Methanospirillum purgamenti Pradel et al. 2025

Category: Species

Proposed as: sp. nov.

Etymology: pur.ga.men’ti. L. gen. neut. n. purgamenti, of sewage, pertaining to the isolation from wastewater

Pronunciation (Latin), gender: me-t^ha-no-spi-RIL-lum pur-ga-MEN-ti, neuter

Type strain: DSM 107957; J.3.6.1-F.2.7.3; NBRC 114537

Conduct genome-based taxonomy at

16S rRNA gene: PP213394 Analyse FASTA

Effective publication: Pradel N, Bartoli M, Koenen M, Bale N, Neumann-Schaal M, Sproer C, Bunk B, Rohde M, Pester M, Spring S. Description and genome analysis of a novel archaeon isolated from a syntrophic pyrite-forming enrichment culture and reclassification of Methanospirillum hungatei strains GP1 and SK as Methanospirillum purgamenti sp. nov. PLoS One 2024; 19:e0308405. 🇩🇪

IJSEM list: Oren A, Göker M. Validation list no. 221. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2025; 75:6562.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

• Notes:
  • 🎓 Name mentioned 1 time in PubMed until 2026-02-10.
  • 🪓 Organisms assigned to this species have previously been classified as Methanospirillum hungatei corrig. Ferry et al. 1974 (Approved Lists 1980). Publication: Ferry JG, Smith PH, Wolfe RS. Methanospirillum, a new genus of methanogenic bacteria, and characterization of Methanospirillum hungatei sp. nov. International Journal of Systematic Bacteriology 1974; 24:465-469. Skerman VBD, McGowan V, Sneath PHA. Approved lists of bacterial names. Int J Syst Bacteriol 1980; 30:225-420.

Parent taxon: Methanospirillum Ferry et al. 1974 (Approved Lists 1980)

Assigned by: Pradel N, Bartoli M, Koenen M, Bale N, Neumann-Schaal M, Sproer C, Bunk B, Rohde M, Pester M, Spring S. Description and genome analysis of a novel archaeon isolated from a syntrophic pyrite-forming enrichment culture and reclassification of Methanospirillum hungatei strains GP1 and SK as Methanospirillum purgamenti sp. nov. PLoS One 2024; 19:e0308405. 🇩🇪

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Record number: 57220