Name: Defluviitoga tunisiensis Ben Hania et al. 2012

Category: Species

Proposed as: sp. nov.

Etymology: tu.ni.si.en’sis. N.L. fem. adj. tunisiensis, of or belonging to Tunisia, the country where the bacterium was first isolated

Pronunciation, gender: tu-ni-si-EN-sis, feminine

Type strain: DSM 23805; JCM 17210; SulfLac1

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: FR850164 Analyse FASTA

Valid publication: Ben Hania W, Godbane R, Postec A, Hamdi M, Ollivier B, Fardeau ML. Defluviitoga tunisiensis gen. nov., sp. nov., a thermophilic bacterium isolated from a mesothermic and anaerobic whey digester. Int J Syst Evol Microbiol 2012; 62:1377-1382.

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 62, part 6 of the IJSEM. Int J Syst Evol Microbiol 2012; 62:2048-2049.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Notes:
  • 🥇 Nomenclatural type of the genus Defluviitoga Ben Hania et al. 2012. Publication: Ben Hania W, Godbane R, Postec A, Hamdi M, Ollivier B, Fardeau ML. Defluviitoga tunisiensis gen. nov., sp. nov., a thermophilic bacterium isolated from a mesothermic and anaerobic whey digester. Int J Syst Evol Microbiol 2012; 62:1377-1382.
  • 😷 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 14 times in PubMed until 2025-06-04.
  • 🧍 According to Ludwig et al. (2021), this "species affiliates away from its type species and may be reclassified as Petrotoga". 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.

Parent taxon: Defluviitoga Ben Hania et al. 2012

Assigned by: Ben Hania W, Godbane R, Postec A, Hamdi M, Ollivier B, Fardeau ML. Defluviitoga tunisiensis gen. nov., sp. nov., a thermophilic bacterium isolated from a mesothermic and anaerobic whey digester. Int J Syst Evol Microbiol 2012; 62:1377-1382.

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Record number: 789936