Name: "Syntrophomonas bryantii" (Stieb and Schink 1985) Wu et al. 2006

Category: Species

Proposed as: comb. nov.

Basonym: Clostridium bryantii Stieb and Schink 1985

Etymology: bry.ant’i.i. N.L. gen. masc. n. bryantii, of Bryant, named after Marvin P. Bryant, who pioneered studies on syntrophic methanogenic associations

Gender: feminine

Type strain: CuCal; DSM 102356; DSM 3014

See detailed strain information at

16S rRNA gene: HE654006 Analyse FASTA

Original publication: Wu C, Liu X, Dong X. Syntrophomonas cellicola sp. nov., a spore-forming syntrophic bacterium isolated from a distilled-spirit-fermenting cellar, and assignment of Syntrophospora bryantii to Syntrophomonas bryantii comb. nov. Int J Syst Evol Microbiol 2006; 56:2331-2335.

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 56, part 10 of the IJSEM. Int J Syst Evol Microbiol 2007; 57:2-3.

Nomenclatural status: not validly published

Taxonomic status: synonym (and no standing)

Correct name: Syntrophospora bryantii (Stieb and Schink 1985) Zhao et al. 1990

Risk group: 1

• Synonyms:

  • Name	Kind
    Clostridium bryantii Stieb and Schink 1985	homotypic synonym, validly published under the ICNP
    Syntrophospora bryantii (Stieb and Schink 1985) Zhao et al. 1990	homotypic synonym, validly published under the ICNP

• Notes:
  • 😷 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 Germany has been imported on 2023-10-29. The full classification is: risk group = 1.
  • 🧍 Regarded as not validly published. According to Rule 27(3) of the Bacteriological Code, Syntrophomonas bryantii (Stieb and Schink 1985) Wu et al. 2006 is not validly published because the type strain is not deposited in two different collections in two different countries. Publication: Oren A, Arahal DR, Goker M, Moore ERB, Rossello-Mora R, Sutcliffe IC. International Code of Nomenclature of Prokaryotes. Prokaryotic Code (2022 Revision). Int J Syst Evol Microbiol 2023; 73:5585.
  • 🧍 CuCal = DSM 3014A = DSM 102356 (co-culture with Desulfovibrio sp., E70); CuCal = DSM 3014B = DSM 102357 (co-culture with Methanospirillum hungatei, strain M1h). Publication: Kluyver AJ, Van Niel CB. Prospects for a natural system of classification of bacteria. Zentralblatt für Bakteriologie, Parasitenkunde, Infektionskrankheiten und Hygiene, Abteilung II 1936; 94:369-403.

Parent taxon: Syntrophomonas McInerney et al. 1982

Assigned by: Wu C, Liu X, Dong X. Syntrophomonas cellicola sp. nov., a spore-forming syntrophic bacterium isolated from a distilled-spirit-fermenting cellar, and assignment of Syntrophospora bryantii to Syntrophomonas bryantii comb. nov. Int J Syst Evol Microbiol 2006; 56:2331-2335.

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Record number: 785604