Name: Ewingella americana Grimont et al. 1984

Category: Species

Proposed as: sp. nov.

Etymology: a.me.ri’ca.na. N.L. fem. adj. americana, pertaining to America, to denote that the original 10 strains were isolated in the United States of America

Gender: feminine

Type strain: ATCC 33852; CCUG 14506; CDC 1468-78; CIP 81.94; DSM 4580; JCM 5911; LMG 7869; NCTC 12157

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: JN175329 Analyse FASTA

Effective publication: Grimont PA, Farmer JJ, Grimont F, Asbury MA, Brenner DJ, Deval C. Ewingella americana gen.nov., sp.nov., a new Enterobacteriaceae isolated from clinical specimens. Ann Microbiol (Paris) 1983; 134A:39-52.

IJSEM list: Anonymous. Validation list no. 13. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1984; 34:91-92.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 2

• Notes:
  • 🥇 Nomenclatural type of the genus Ewingella Grimont et al. 1984. Publication: Grimont PA, Farmer JJ, Grimont F, Asbury MA, Brenner DJ, Deval C. Ewingella americana gen.nov., sp.nov., a new Enterobacteriaceae isolated from clinical specimens. Ann Microbiol (Paris) 1983; 134A:39-52.
  • 😷 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.
  • 🎓 Name mentioned 53 times in PubMed until 2024-03-27.
  • 🧍 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 2022; 168:0.
  • 🧍 Plant pathogenic according to Bull et al. (2007). Publication: Bull CT, De Boer SH, Denny TP, Firrao G, Fischer Le Saux M, Saddler GS, Scortichini M, Stead DE, Takikawa Y. Comprehensive list of names of plant pathogenic bacteria, 1980-2007. Journal of Plant Pathology 2010; 92:551-592.
  • 🧍 Ewingella americana Grimont et al. 1984 was previously known as CDC Enteric Group 40. Publication: Palleroni NJ. Genus I. Pseudomonas Migula 1894, 237 AL (Nom. Cons., Opin. 5 of the Jud. Comm. 1952, 121). In: Brenner DJ, Krieg NR, Staley JT, Garrity GM (eds), Bergey's Manual of Systematic Bacteriology, second edition, vol. 2 (The Proteobacteria), part B (The Gammaproteobacteria), Springer, New York, 2005, p. 323-379.

Parent taxon: Ewingella Grimont et al. 1984

Assigned by: Grimont PA, Farmer JJ, Grimont F, Asbury MA, Brenner DJ, Deval C. Ewingella americana gen.nov., sp.nov., a new Enterobacteriaceae isolated from clinical specimens. Ann Microbiol (Paris) 1983; 134A:39-52.

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Record number: 776130