Name: Rhodobium pfennigii Caumette et al. 2007

Category: Species

Proposed as: sp. nov.

Etymology: pfen.ni’gi.i. N.L. gen. masc. n. pfennigii, of Pfennig, named after Norbert Pfennig, a German microbiologist

Pronunciation, gender: pfen-NI-gi-i, neuter

Type strain: AR2102; ATCC BAA-1145; DSM 17143

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: EU445271 Analyse FASTA

Valid publication: Caumette P, Guyoneaud R, Duran R, Cravo-Laureau C, Matheron R. Rhodobium pfennigii sp. nov., a phototrophic purple non-sulfur bacterium with unusual bacteriochlorophyll a antennae, isolated from a brackish microbial mat on Rangiroa atoll, French Polynesia. Int J Syst Evol Microbiol 2007; 57:1250-1255.

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 57, part 6 of the IJSEM. Int J Syst Evol Microbiol 2007; 57:1935-1936.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym

Correct name: Afifella pfennigii (Caumette et al. 2007) Urdiain et al. 2009

Risk group: 1

• Synonyms:

  • Name	Kind
    Afifella pfennigii (Caumette et al. 2007) Urdiain et al. 2009	homotypic synonym, validly published under the ICNP

• Notes:
  • ❗ Rhodobium pfennigii is the correct name instead if this species is regarded as a separate species (i.e., if its nomenclatural type is not assigned to another species whose name is validly published, legitimate and not rejected and has priority) within a separate genus Rhodobium.
  • 😷 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.

Parent taxon: Rhodobium Hiraishi et al. 1995

Assigned by: Caumette P, Guyoneaud R, Duran R, Cravo-Laureau C, Matheron R. Rhodobium pfennigii sp. nov., a phototrophic purple non-sulfur bacterium with unusual bacteriochlorophyll a antennae, isolated from a brackish microbial mat on Rangiroa atoll, French Polynesia. Int J Syst Evol Microbiol 2007; 57:1250-1255.

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Record number: 780433