Species ***Flavobacterium* *thermophilum***

Classification:

Bacteria Pseudomonadati Bacteroidota Flavobacteriia Flavobacteriales Flavobacteriaceae Flavobacterium Flavobacterium thermophilum

Name: Flavobacterium thermophilum Loginova and Egorova 1982

Category, proposed as: species, sp. nov.

Etymology: ther.mo’phi.lum. Gr. fem. adj. thermê, heat; N.L. neut. adj. suff. -philum, friend, loving; from Gr. neut. adj. philon, friend; N.L. neut. adj. thermophilum, heat-loving

Pronunciation (Latin), gender: fla-wo-bak-TE-ri-um t^her-MO-p^hi-lum, neuter

Type strain: BKM 1325; CCM 3496; CCUG 61461; DSM 19814; NCTC 11526; VKM 1325

See detailed strain information at

Effective publication: Loginova GBU, Egorova LA. A new species of obligate thermophilic bacteria, Flavobacterium thermophilum. Mikrobiologia 1978; 47:1081-1084.

IJSEM list: Anonymous. Validation list no. 8. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1982; 32:266-268.

Nomenclatural status: validly published under the ICNP

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

Risk group: 1

Notes:
- ✏ The authority of the taxon name (Loginova and Egorova) deliberately differs from the authors of the publication (Loginova et al.).
- 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No". — 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 2026-08-13. 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 5 times in PubMed until 2026-06-11.
- 🙆 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 the genus.
- 🧍 According to Ludwig et al. (2021), this "species affiliates with the Firmicutes, and is a true member of Anoxybacillus and needs revision". Publication: Ludwig W, Viver T, Westram R, Francisco Gago J, Bustos-Caparros E, Knittel K, Amann R, Rossello-Mora R. Release LTP_12_2020, featuring a new ARB alignment and improved 16S rRNA tree for prokaryotic type strains. Syst Appl Microbiol 2021; 44:126218. 🇪🇸
- 🧍 Yarza et al. (2013) expected for accession HF558369, originating from the alleged type-strain deposit CCUG 22402, an affiliation with Flavobacteriaceae (Flavobacteria) but observed an affiliation with Bacillales (Firmicutes) and 99.7% similarity against Anoxybacillus kamchatkensis. Publication: Yarza P, Sproer C, Swiderski J, Mrotzek N, Spring S, Tindall BJ, Gronow S, Pukall R, Klenk HP, Lang E, et al. Sequencing orphan species initiative (SOS): Filling the gaps in the 16S rRNA gene sequence database for all species with validly published names. Syst Appl Microbiol 2013; 36:69-73. 🇩🇪
- 🧍 The 16S rRNA gene sequence of the type strain shows an unexpected affiliation with the order Bacillales (99.7% similarity against Anoxybacillus kamchatkensis). Publication: Yarza P, Sproer C, Swiderski J, Mrotzek N, Spring S, Tindall BJ, Gronow S, Pukall R, Klenk HP, Lang E, et al. Sequencing orphan species initiative (SOS): Filling the gaps in the 16S rRNA gene sequence database for all species with validly published names. Syst Appl Microbiol 2013; 36:69-73. 🇩🇪

Parent taxon: Flavobacterium Bergey et al. 1923 (Approved Lists 1980)

Assigned by: Loginova GBU, Egorova LA. A new species of obligate thermophilic bacteria, Flavobacterium thermophilum. Mikrobiologia 1978; 47:1081-1084.

Linking: To permanently link to this page, use https://doi.org/10.83108/rn.776275Link copied to clipboard

Record number: 776275

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Species ***Flavobacterium* *thermophilum***