Name: Herpetosiphon giganteus (ex Reichenbach and Golecki 1975) Pan et al. 2017

Category: Species

Proposed as: sp. nov., nom. rev.

Etymology: gi.gan’te.us. L. masc. adj. giganteus, giant, gigantic

Gender: masculine

Type strain: DSM 589; Hp a2; NBRC 112828

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: KY689830 Analyse FASTA

Valid publication: Pan X, Kage H, Martin K, Nett M. Herpetosiphon gulosus sp. nov., a filamentous predatory bacterium isolated from sandy soil and Herpetosiphon giganteus sp. nov., nom. rev. Int J Syst Evol Microbiol 2017; 67:2476-2481.

IJSEM list: Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 67, part 7 of the IJSEM. Int J Syst Evol Microbiol 2017; 67:3689-3691.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name (and explicitly recommended for medical use)

Risk group: 1

• Notes:
  • 😢 The terminology used by the authors is in line with many other taxonomic studies and does not negatively affect their main results; some improvements may nevertheless be possible. Contrasting the term "chemotaxonomic" with "phenotypic" is not recommended. Using the term "phylogenetic data" (or equivalent) for sequence data is not advocated. Whether taxa can have "members" is debatable. See the LPSN phylogeny page for details. Publication: Göker M. What can genome analysis offer for bacteria? In: Bridge P, Smith D, Stackebrandt E (eds), Trends in the systematics of bacteria and fungi, CAB International, Wallingford, 2021, p. 255-281.
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Animal classification RG: 1 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 1". — 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 13 times in PubMed until 2025-06-04.
  • 🙆 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as the name to be applied to this species. The name is on LoRN because of the recorded risk group of other species in the genus.

Parent taxon: Herpetosiphon Holt and Lewin 1968 (Approved Lists 1980)

Assigned by: Pan X, Kage H, Martin K, Nett M. Herpetosiphon gulosus sp. nov., a filamentous predatory bacterium isolated from sandy soil and Herpetosiphon giganteus sp. nov., nom. rev. Int J Syst Evol Microbiol 2017; 67:2476-2481.

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Record number: 776899