Name: Achromobacter aegrifaciens Vandamme et al. 2014

Category: Species

Proposed as: sp. nov.

Etymology: ae.gri.fa’ci.ens. L. masc. adj. aeger, unwell, sick, ill; L. inf. v. facere, to make; L. pres. part. faciens, making; N.L. masc. part. adj. aegrifaciens, sick making

Pronunciation (Latin), gender: … a͡e-gri-FA-ki-ens, masculine

Type strain: CCUG 62438; LMG 26852

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: HF586507 Analyse FASTA

Effective publication: Vandamme P, Moore ER, Cnockaert M, Peeters C, Svensson-Stadler L, Houf K, Spilker T, LiPuma JJ. Classification of Achromobacter genogroups 2, 5, 7 and 14 as Achromobacter insuavis sp. nov., Achromobacter aegrifaciens sp. nov., Achromobacter anxifer sp. nov. and Achromobacter dolens sp. nov., respectively. Syst Appl Microbiol 2013; 36:474-482. 🇧🇪

IJSEM list: Oren A, Garrity GM. Validation list no. 155. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2014; 64:1-5.

Nomenclatural status: validly published under the ICNP

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

Risk group: 2

• Notes:
  • 😷 The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 2. — 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 11 times in PubMed until 2025-06-04.
  • 🙆 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 risk group of the species itself.
  • 🧍 According to Bartlett et al. (2022), this species is an established human pathogen. Publication: Bartlett A, Padfield D, Lear L, Bendall R, Vos M. A comprehensive list of bacterial pathogens infecting humans. Microbiology (Reading) 2022; 168:0. 🇬🇧

Parent taxon: Achromobacter Yabuuchi and Yano 1981

Assigned by: Vandamme P, Moore ER, Cnockaert M, Peeters C, Svensson-Stadler L, Houf K, Spilker T, LiPuma JJ. Classification of Achromobacter genogroups 2, 5, 7 and 14 as Achromobacter insuavis sp. nov., Achromobacter aegrifaciens sp. nov., Achromobacter anxifer sp. nov. and Achromobacter dolens sp. nov., respectively. Syst Appl Microbiol 2013; 36:474-482. 🇧🇪

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Record number: 791414