Name: Geobacter bremensis Straub and Buchholz-Cleven 2001

Category: Species

Proposed as: sp. nov.

Etymology: bre.men’sis. N.L. masc. adj. bremensis, pertaining to Bremen, where samples for enrichment cultures were taken

Pronunciation, gender: bre-MEN-sis, masculine

Type strain: ATCC BAA-607; Dfr1; DSM 12179; OCM 796

See detailed strain information at

16S rRNA gene: U96917 Analyse FASTA

Valid publication: Straub KL, Buchholz-Cleven BE. Geobacter bremensis sp. nov. and Geobacter pelophilus sp. nov., two dissimilatory ferric-iron-reducing bacteria. Int J Syst Evol Microbiol 2001; 51:1805-1808.

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 51, part 5 of the IJSEM. Int J Syst Evol Microbiol 2001; 51:1947-1948.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym

Correct name: Geomonas bremensis (Straub and Buchholz-Cleven 2001) Xu et al. 2020

Risk group: 1

• Synonyms:

  • Name	Kind
    Geomonas bremensis (Straub and Buchholz-Cleven 2001) Xu et al. 2020	homotypic synonym, validly published under the ICNP
    Citrifermentans bremense (Straub and Buchholz-Cleven 2001) Waite et al. 2020	homotypic synonym, validly published under the ICNP

• Notes:
  • ❗ Geobacter bremensis 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 Geobacter.
  • 😷 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 5 times in PubMed until 2025-06-04.

Parent taxon: Geobacter Lovley et al. 1995

Assigned by: Straub KL, Buchholz-Cleven BE. Geobacter bremensis sp. nov. and Geobacter pelophilus sp. nov., two dissimilatory ferric-iron-reducing bacteria. Int J Syst Evol Microbiol 2001; 51:1805-1808.

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Record number: 776464