Name: Gemmiger formicilis Gossling and Moore 1975 (Approved Lists 1980)

Category: Species

Proposed as: sp. nov.

Etymology: for.mi.ci.lis. N.L. neut. n. acidum formicum, acid formic; L. masc. suff. -ilis, suffix denoting pertaining to; N.L. masc. adj. formicilis, pertaining to formic acid

Gender: masculine

Type strain: ATCC 27749

Conduct genome-based taxonomy at

16S rRNA gene: GU562446 Analyse FASTA

Effective publication: Gossling J, Moore WEC. Gemmiger formicilis, n. gen., n. sp., an anaerobic budding bacterium from intestines. International Journal of Systematic Bacteriology 1975; 25:202-207.

IJSEM list: Skerman VBD, McGowan V, Sneath PHA. Approved lists of bacterial names. Int J Syst Bacteriol 1980; 30:225-420.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Notes:
  • 🥇 Nomenclatural type of the genus Gemmiger Gossling and Moore 1975 (Approved Lists 1980). Publication: Gossling J, Moore WEC. Gemmiger formicilis, n. gen., n. sp., an anaerobic budding bacterium from intestines. International Journal of Systematic Bacteriology 1975; 25:202-207.
  • 😷 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 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 20 times in PubMed until 2024-03-27.
  • 🧍 According to Ludwig et al. (2021), this "species is classified as an alphaproteobacteria, but it belongs to the Firmicutes and affiliates among Oscillospiraceae, 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 GU562446, originating from the alleged type-strain deposit ATCC 27749, an affiliation with Hypomicrobiaceae (Proteobacteria) but observed an affiliation with Ruminococcaceae (Firmicutes) and 97.5% similarity against Subdoligranulum variabile. 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 family Ruminococcaceae (97.5% similarity against Subdoligranulum variabile). 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: Gemmiger Gossling and Moore 1975 (Approved Lists 1980)

Assigned by: Gossling J, Moore WEC. Gemmiger formicilis, n. gen., n. sp., an anaerobic budding bacterium from intestines. International Journal of Systematic Bacteriology 1975; 25:202-207.

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Record number: 783901