Name: Herpetosiphon aurantiacus Holt and Lewin 1968 (Approved Lists 1980)

Category: Species

Proposed as: sp. nov.

Etymology: au.ran.ti.a’cus. N.L. masc. adj. aurantiacus, orange-colored

Gender: masculine

Type strain: ATCC 23779; CCUG 48726; DSM 785; HAMBI 1968

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: M34117 Analyse FASTA

Effective publication: Holt JG, Lewin RA. Herpetosiphon aurantiacus gen. et sp. n., a new filamentous gliding organism. J Bacteriol 1968; 95:2407-2408.

IJSEM list: Skerman VBD, McGowan V, Sneath PHA. Approved lists of bacterial names. Int J Syst Bacteriol 1980; 30:225-420.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Emendations:
  • Nouioui et al. 2018 Nouioui I, Carro L, Garcia-Lopez M, Meier-Kolthoff JP, Woyke T, Kyrpides NC, Pukall R, Klenk HP, Goodfellow M, Goker M. Genome-Based Taxonomic Classification of the Phylum Actinobacteria. Front Microbiol 2018; 9:2007. Oren A, Garrity GM. List of changes in taxonomic opinion no. 29. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2019; 69:13-32.

• Notes:
  • 🥇 Nomenclatural type of the genus Herpetosiphon Holt and Lewin 1968 (Approved Lists 1980). Publication: Holt JG, Lewin RA. Herpetosiphon aurantiacus gen. et sp. n., a new filamentous gliding organism. J Bacteriol 1968; 95:2407-2408.
  • 😷 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 Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 1. — The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 1.
  • 🎓 Name mentioned 22 times in PubMed until 2024-03-28.
  • 🧍 The genome of the type strain was sequenced as part of the DOE Joint Genome Institute DOEM 2005 Programme. Publication: Kiss H, Nett M, Domin N, Martin K, Maresca JA, Copeland A, Lapidus A, Lucas S, Berry KW, Glavina Del Rio T, et al. Complete genome sequence of the filamentous gliding predatory bacterium Herpetosiphon aurantiacus type strain (114-95^T). Stand Genomic Sci 2011; 5:356-370.

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

Assigned by: Holt JG, Lewin RA. Herpetosiphon aurantiacus gen. et sp. n., a new filamentous gliding organism. J Bacteriol 1968; 95:2407-2408.

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Record number: 776897