Name: Pyrobaculum neutrophilum (Stetter and Zillig 1989) Chan et al. 2013

Category: Species

Proposed as: comb. nov.

Basonym: Thermoproteus neutrophilus Stetter and Zillig 1989

Etymology: ne.u.tro’phi.lum. L. adj. neuter -tra -trum, neither the one nor the other, neutral; N.L. neut. adj. suff. -philum, friend, loving; from Gr. neut. adj. philon, friend; N.L. neut. adj. neutrophilum, preferring neutral pH

Pronunciation (Latin), gender: … ne-u-TRO-p^hi-lum, neuter

Type strain: DSM 2338; JCM 9278; NBRC 100436; V24Sta

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB009618 Analyse FASTA

Valid publication: Chan PP, Cozen AE, Lowe TM. Reclassification of Thermoproteus neutrophilus Stetter and Zillig 1989 as Pyrobaculum neutrophilum comb. nov. based on phylogenetic analysis. Int J Syst Evol Microbiol 2013; 63:751-754. 🇺🇸

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 63, part 2 of the IJSEM. Int J Syst Evol Microbiol 2013; 63:1581-1583.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Synonyms:

  • Name	Kind
    Thermoproteus neutrophilus Stetter and Zillig 1989	homotypic synonym, validly published under the ICNP

• Notes:
  • 😷 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 2 times in PubMed until 2025-06-04.

Parent taxon: Pyrobaculum Huber et al. 1988

Assigned by: Chan PP, Cozen AE, Lowe TM. Reclassification of Thermoproteus neutrophilus Stetter and Zillig 1989 as Pyrobaculum neutrophilum comb. nov. based on phylogenetic analysis. Int J Syst Evol Microbiol 2013; 63:751-754. 🇺🇸

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Record number: 790474