Name: Citrobacter amalonaticus (Young et al. 1971) Brenner and Farmer 1982

Category: Species

Proposed as: comb. nov.

Basonym: Levinea amalonatica Young et al. 1971 (Approved Lists 1980)

Etymology: a.ma.lo.na’ti.cus. Gr. pref. a-, not (inseparable prefix); N.L. masc. n. malonas (gen. malonatis), malonate; L. masc. adj. suff. -icus, suffix used with the sense of pertaining to; N.L. masc. adj. malonaticus, pertaining to malonate; N.L. masc. adj. amalonaticus, not pertaining to malonate (i.e., not able to utilize malonate)

Pronunciation, gender: a-ma-lo-NA-ti-kus, masculine

Type strain: 9823; ATCC 25405; CCUG 4860; CCUG 4860 A; CIP 82.89; DSM 4593; JCM 1661; LMG 7873; NCTC 10805

Conduct genome-based taxonomy at

16S rRNA gene: KM515966 Analyse FASTA

Effective publication: Farmer Iii JJ. The genus Citrobacter. In: Starr MP, et al. (eds), The procaryotes, a handbook on habitats, isolation, and identification of bacteria, Springer-Verlag, Berlin, 1981, p. 1140-1147.

IJSEM list: Anonymous. Validation list no. 8. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1982; 32:266-268.

Nomenclatural status: validly published under the ICNP

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

Risk group: 2

• Synonyms:

  • Name	Kind
    Levinea amalonatica Young et al. 1971 (Approved Lists 1980)	homotypic synonym, validly published under the ICNP

• Notes:
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 2, note = "Animal classification RG: 1 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 2". — The risk group for Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 2. — The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 2. — The risk group for Taiwan has been imported on 2024-11-03. The full classification is: risk group = 2, note = "P650 = v". — 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 91 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: Citrobacter Werkman and Gillen 1932 (Approved Lists 1980)

Assigned by: Farmer Iii JJ. The genus Citrobacter. In: Starr MP, et al. (eds), The procaryotes, a handbook on habitats, isolation, and identification of bacteria, Springer-Verlag, Berlin, 1981, p. 1140-1147.

Linking: To permanently link to this page, use https://lpsn.dsmz.de/species/citrobacter-amalonaticusCopy to clipboardLink copied to clipboard

Record number: 774743