Name: "Thermoproteus uzoniensis" Bonch-Osmolovskaya et al. 1990

Category: Species

Proposed as: sp. nov.

Etymology: N.L. masc./fem. adj. uzoniensis, pertaining to Uzon, inhabiting hot springs and soil of the Uzon caldera [probably better: uzonensis]

Gender: masculine

Type strain: DSM 5263; Z-605

See detailed strain information at

16S rRNA gene: KR185348 Analyse FASTA

Original publication: Bonch-Osmolovskaya EA, Miroshnichenko ML, Kostrikina NA, Chernyh NA, Zavarzin GA. Thermoproteus uzoniensis sp. nov., a new extremely thermophilic archaebacterium from Kamchatka continental hot springs. Arch. Microbiol. 1990; 154:556-559.

IJSEM list: Anonymous. Validation list no. 82. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2001; 51:1619-1620.

Nomenclatural status: not validly published

Taxonomic status: preferred name (not correct name)

Risk group: 1

• Notes:
  • 😷 The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 1.
  • 🧍 According to Yarza et al. (2013), an "orphan species with designated type strains that were either not deposited in culture collections or whose type strain is currently not available from a recognized culture collection. Strain produces very low cell density, difficult to obtain sufficient material for sequencing.". 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.
  • 🧍 According to Rules 27(3) and 30, Thermoproteus uzoniensis Bonch-Osmolovskaya et al. 2001 is not validly published because, at the time of publication, the type strain was not deposited in two publicly accessible service collections in different countries. According to the Judicial Opinion 81, authors or this name, or other scientists who wish to have this name validly published, should submit evidence of the deposit of the type strain in additional collections to the List Editor (either directly or via the IJSEM Editorial Office) before the next meeting of the Judicial Commission in Sapporo, Japan, in 2011. After that time, the name will be ruled not to have been validly published. If, after that deadline, the authors or other scientists wish to have this name validly published, this may be done by confirming that the name is in accordance with the requirements of the Code and either by requesting valid publication via the Validation Lists or by inclusion of the proposal in an original article in the IJSEM. The details of valid publication will then make reference to those publications. If authors or other scientists feel that an exception should be granted to Rule 30, requiring deposit of the type in two different collections in two different countries, they should contact the Editorial Office of the IJSEM. Publication: Euzeby JP, Tindall BJ. Status of strains that contravene Rules 27(3) and 30 of the Bacteriological Code. Request for an opinion. Int J Syst Evol Microbiol 2004; 54:293-301.
  • 🧍 Regarded as not validly published. Publication: Judicial Commission. Judicial Opinion No. 81. Int J Syst Evol Microbiol 2008; 58:1755-1763.

Parent taxon: Thermoproteus Zillig and Stetter 1982

Assigned by: Bonch-Osmolovskaya EA, Miroshnichenko ML, Kostrikina NA, Chernyh NA, Zavarzin GA. Thermoproteus uzoniensis sp. nov., a new extremely thermophilic archaebacterium from Kamchatka continental hot springs. Arch. Microbiol. 1990; 154:556-559.

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Record number: 782628