Name: Leptospirillum ferriphilum Coram and Rawlings 2002

Category: Species

Proposed as: sp. nov.

Etymology: fer.ri’phi.lum. L. neut. n. ferrum, iron; N.L. neut. adj. suff. -philum, friend, loving; from Gr. neut. adj. philon, friend; N.L. neut. adj. ferriphilum, iron-loving

Gender: neuter

Type strain: ATCC 49881; DSM 14647; P3a

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AF356829 Analyse FASTA

Effective publication: Coram NJ, Rawlings DE. Molecular relationship between two groups of the genus Leptospirillum and the finding that Leptospirillum ferriphilum sp. nov. dominates South African commercial biooxidation tanks that operate at 40 degrees C. Appl Environ Microbiol 2002; 68:838-845.

IJSEM list: Anonymous. Validation list no. 86. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2002; 52:1075-1076.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Emendations:
  • García-López et al. 2019 Garcia-Lopez M, Meier-Kolthoff JP, Tindall BJ, Gronow S, Woyke T, Kyrpides NC, Hahnke RL, Goker M. Analysis of 1,000 Type-Strain Genomes Improves Taxonomic Classification of Bacteroidetes. Front Microbiol 2019; 10:2083. Oren A, Garrity GM. List of changes in taxonomic opinion no. 32. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2020; 70:4061-4090.

• Notes:
  • 😷 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.
  • 🎓 Name mentioned 94 times in PubMed until 2024-03-28.
  • 🧍 The strain DSM 14647 is cited in the DSMZ online catalogue. Publication: Anonymous. Validation list no. 86. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2002; 52:1075-1076.

Parent taxon: Leptospirillum (ex Markosyan 1972) Hippe 2000

Assigned by: Coram NJ, Rawlings DE. Molecular relationship between two groups of the genus Leptospirillum and the finding that Leptospirillum ferriphilum sp. nov. dominates South African commercial biooxidation tanks that operate at 40 degrees C. Appl Environ Microbiol 2002; 68:838-845.

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Record number: 777512