Name: Andreesenia angusta (Beuscher and Andreesen 1985) Poehlein et al. 2017

Category: Species

Proposed as: comb. nov.

Basonym: Eubacterium angustum Beuscher and Andreesen 1985

Etymology: an.gus’ta. L. fem. adj. angusta, restricted, referring to the narrow substrate range

Pronunciation (Latin), gender: … an-GUS-ta, feminine

Type strain: ATCC 43737; DSM 1989; MK-1

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: L34612 Analyse FASTA

Valid publication: Poehlein A, Yutin N, Daniel R, Galperin MY. Proposal for the reclassification of obligately purine-fermenting bacteria Clostridium acidurici (Barker 1938) and Clostridium purinilyticum (Durre et al. 1981) as Gottschalkia acidurici gen. nov. comb. nov. and Gottschalkiapurinilytica comb. nov. and of Eubacterium angustum (Beuscher and Andreesen 1985) as Andreesenia angusta gen. nov. comb. nov. in the family Gottschalkiaceae fam. nov. Int J Syst Evol Microbiol 2017; 67:2711-2719. 🇺🇸

IJSEM list: Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 67, part 8 of the IJSEM. Int J Syst Evol Microbiol 2017; 67:4294-4297.

Nomenclatural status: validly published under the ICNP

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

Risk group: 1

• Synonyms:

  • Name	Kind
    Eubacterium angustum Beuscher and Andreesen 1985	homotypic synonym, validly published under the ICNP
    "Gottschalkia angusta" (Beuscher and Andreesen 1985) Yutin and Galperin 2013	homotypic synonym, not validly published

• Notes:
  • 🥇 Nomenclatural type of the genus Andreesenia Poehlein et al. 2017. Publication: Poehlein A, Yutin N, Daniel R, Galperin MY. Proposal for the reclassification of obligately purine-fermenting bacteria Clostridium acidurici (Barker 1938) and Clostridium purinilyticum (Durre et al. 1981) as Gottschalkia acidurici gen. nov. comb. nov. and Gottschalkiapurinilytica comb. nov. and of Eubacterium angustum (Beuscher and Andreesen 1985) as Andreesenia angusta gen. nov. comb. nov. in the family Gottschalkiaceae fam. nov. Int J Syst Evol Microbiol 2017; 67:2711-2719. 🇺🇸
  • 😷 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 2 times in PubMed until 2025-06-04.
  • 🙆 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.

Parent taxon: Andreesenia Poehlein et al. 2017

Assigned by: Poehlein A, Yutin N, Daniel R, Galperin MY. Proposal for the reclassification of obligately purine-fermenting bacteria Clostridium acidurici (Barker 1938) and Clostridium purinilyticum (Durre et al. 1981) as Gottschalkia acidurici gen. nov. comb. nov. and Gottschalkiapurinilytica comb. nov. and of Eubacterium angustum (Beuscher and Andreesen 1985) as Andreesenia angusta gen. nov. comb. nov. in the family Gottschalkiaceae fam. nov. Int J Syst Evol Microbiol 2017; 67:2711-2719. 🇺🇸

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Record number: 795692