Species Cereibacter sphaeroides

Name: Cereibacter sphaeroides (van Niel 1944) Hördt et al. 2020

Category, proposed as: species, comb. nov.

Basonym: Rhodopseudomonas sphaeroides van Niel 1944 (Approved Lists 1980)

Etymology: sphaer.o.i’des. Gr. fem. n. sphaîra, sphere, globe; L. adj. suff. -oides, alike; from Gr. neut. adj. suff. -eides, resembling, similar; from Gr. neut. n. eîdos, that which is seen, form, shape, figure, resembling, similar; L. masc. adj. sphaeroides, spherical

Pronunciation (Latin), gender: ke-re-i-BAK-ter sp^ha͡er-o-I-des, masculine

Type strain: 2.4.1; ATCC 17023; ATH 2.4.1.; CCUG 31486; CECT 300; CIP 60.6; DSM 158; IFO 12203; JCM 6121; LMG 2827; NBRC 12203; Van Niel's ATH 2.4.1

Conduct genome-based taxonomy at

16S rRNA gene: X53853 Analyse FASTA

Effective publication: Hordt A, Lopez MG, Meier-Kolthoff JP, Schleuning M, Weinhold LM, Tindall BJ, Gronow S, Kyrpides NC, Woyke T, Goker M. Analysis of 1,000+ Type-Strain Genomes Substantially Improves Taxonomic Classification of Alphaproteobacteria. Front Microbiol 2020; 11:468. 🇩🇪

IJSEM list: Oren A, Garrity GM. Validation list no. 194. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2020; 70:4043-4049.

Nomenclatural status: validly published under the ICNP

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

Risk group: 1

• Synonyms:

  • Name	Kind
    Rhodobacter sphaeroides (van Niel 1944) Imhoff et al. 1984	homotypic synonym, validly published under the ICNP
    Rhodopseudomonas sphaeroides van Niel 1944 (Approved Lists 1980)	homotypic synonym, validly published under the ICNP, conserved name
    Luteovulum sphaeroides (van Niel 1944) Suresh et al. 2020	homotypic synonym, validly published under the ICNP

• Notes:
  • 🧬 The phylogenomic assignment score of this taxon is 0.03636 (N = 48).
  • 😷 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 30 times in PubMed until 2026-06-11.
  • 🙆 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 pathogenicity of other species in the genus.

Parent taxon: Cereibacter Suresh et al. 2015

Assigned by: Hordt A, Lopez MG, Meier-Kolthoff JP, Schleuning M, Weinhold LM, Tindall BJ, Gronow S, Kyrpides NC, Woyke T, Goker M. Analysis of 1,000+ Type-Strain Genomes Substantially Improves Taxonomic Classification of Alphaproteobacteria. Front Microbiol 2020; 11:468. 🇩🇪

Linking: To permanently link to this page, use https://doi.org/10.83108/rn.11077Copy to clipboardLink copied to clipboard

Record number: 11077