Name: Anaerosphaera multitolerans Rettenmaier et al. 2020

Category: Species

Proposed as: sp. nov.

Etymology: mul.ti.to’le.rans. L. masc. adj. multus, much, many; L. pres. part. tolerans, tolerating; N.L. fem. part. adj. multitolerans, tolerating many conditions, named for its growth range at a wide pH range as well as tolerance of salinity

Pronunciation (Latin), gender: an-a-e-ro-SP^HA͡E-ra mul-ti-TO-le-rans, feminine

Type strain: CECT 9705; DSM 107952; GS7-6-2

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: MK138668 Analyse FASTA

Valid publication: Rettenmaier R, Liebl W, Zverlov VV. Anaerosphaera multitolerans sp. nov., a salt-tolerant member of the family Peptoniphilaceae isolated from a mesophilically operated biogas fermenter fed with maize silage. Int J Syst Evol Microbiol 2020; 70:1217-1223. 🇩🇪

IJSEM list: Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 70, part 2 of the IJSEM. Int J Syst Evol Microbiol 2020; 70:2967-2971.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Notes:
  • 😷 The risk group for Germany has been imported on 2026-08-13. 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 1 time in PubMed until 2026-06-11.

Parent taxon: Anaerosphaera Ueki et al. 2009

Assigned by: Rettenmaier R, Liebl W, Zverlov VV. Anaerosphaera multitolerans sp. nov., a salt-tolerant member of the family Peptoniphilaceae isolated from a mesophilically operated biogas fermenter fed with maize silage. Int J Syst Evol Microbiol 2020; 70:1217-1223. 🇩🇪

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Record number: 5691