Name: Geobacter sulfurreducens Caccavo et al. 1995

Category: Species

Proposed as: sp. nov.

Etymology: sul.fur.re.du’cens. L. neut. n. sulfur, sulfur (S); L. pres. part. reducens, converting to a different state; N.L. masc. part. adj. sulfurreducens, reducing sulfur

Pronunciation, gender: sul-fur-re-DU-kens, masculine

Type strain: ATCC 51573; DSM 12127; PCA

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: U13928 Analyse FASTA

Effective publication: Caccavo FJ, Lonergan DJ, Lovley DR, Davis M, Stolz JF, McInerney MJ. Geobacter sulfurreducens sp. nov., a hydrogen- and acetate-oxidizing dissimilatory metal-reducing microorganism. Appl Environ Microbiol 1994; 60:3752-3759.

IJSEM list: Anonymous. Validation list no. 54. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1995; 45:619-620.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Emendations:
  • Viulu et al. 2013 Viulu S, Nakamura K, Kojima A, Yoshiyasu Y, Saitou S, Takamizawa K. Geobacter sulfurreducens subsp. ethanolicus, subsp. nov., an ethanol-utilizing dissimilatory Fe(III)-reducing bacterium from a lotus field. J Gen Appl Microbiol 2013; 59:325-334. Oren A, Garrity GM. List of changes in taxonomic opinion no. 20. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2014; 64:2191-2192.

• Notes:
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No". — 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 833 times in PubMed until 2025-06-04.

Subdivision:

Number of child taxa with a validly published and correct name: 2
Number of child taxa with a validly published name, including synonyms: 2
Total number of child taxa: 2

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Geobacter sulfurreducens subsp. ethanolicus Viulu et al. 2014	validly published under the ICNP	correct name
    Geobacter sulfurreducens subsp. sulfurreducens (Caccavo et al. 1995) Viulu et al. 2014	validly published under the ICNP	correct name

Parent taxon: Geobacter Lovley et al. 1995

Assigned by: Caccavo FJ, Lonergan DJ, Lovley DR, Davis M, Stolz JF, McInerney MJ. Geobacter sulfurreducens sp. nov., a hydrogen- and acetate-oxidizing dissimilatory metal-reducing microorganism. Appl Environ Microbiol 1994; 60:3752-3759.

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Record number: 776474