Name: Aeromonas ichthiosmia Schubert et al. 1991

Category: Species

Proposed as: sp. nov.

Etymology: Gr. n. ichtus, fish; Gr. n. osmê, smell, odour; N.L. fem. adj. ichthiosmia, intended to mean fishy smelling

Type strains: 115/II; ATCC 49904; CECT 4486; CIP 104613; DSM 6393; JCM 8354; LMG 12645

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene accession number: X71120

Effective publication: Schubert RHW, Hegazi M, Wahlig W. Aeromonas ichthiosmia species nova. Hyg. Med. 1990; 15:477-479.

IJSEM list: Anonymous. Validation list no. 38. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1991; 41:456-457.

Nomenclatural status: validly published

Taxonomic status: correct name

Risk group: 1

• Notes:
  • Consequently, the Subcommittee on the taxonomy of Vibrionaceae (1999) decided to clarify this problem [3]. Publication: Nair GB, Holmes B. International Committee on Systematics of Prokaryotes. Subcommittee on the taxonomy of Halobacteriaceae. Int J Syst Evol Microbiol 2002; 52:289-290.
  • Later, another DNA relatedness data contradicted the previous results and according to Esteve et al. [4] the synonymy beetwen Aeromonas ichthiosmia and Aeromonas veronii should be reconsidered. Publication: Esteve C, Valera L, Gutierrez C, Ventosa A. Taxonomic study of sucrose-positive Aeromonas jandaei-like isolates from faeces, water and eels: emendation of A. jandaei Carnahan et al. 1992. Int J Syst Evol Microbiol 2003; 53:1411-1419.
  • On the basis of 16S rRNA gene sequence analysis [1], DNA-DNA hybridization [2] and phenotypic data [2], Aeromonas ichthiosmia Schubert et al. 1991 seems a later heterotypic synonym of Aeromonas veronii Hickman-Brenner et al. 1988. Publication: Collins MD, Martinez-Murcia AJ, Cai J. Aeromonas enteropelogenes and Aeromonas ichthiosmia are identical to Aeromonas trota and Aeromonas veronii, respectively, as revealed by small-subunit rRNA sequence analysis. Int J Syst Bacteriol 1993; 43:855-856.
  • See also: Publication: Huys G, Kampfer P, Swings J. New DNA-DNA hybridization and phenotypic data on the species Aeromonas ichthiosmia and Aeromonas allosaccharophila: A. ichthiosmia Schubert et al. 1990 is a later synonym of A. veronii Hickman-Brenner et al. 1987. Syst Appl Microbiol 2001; 24:177-182.
  • The full TRBA 466 classification is: risk group = 1, note = "+".

Parent taxon: Aeromonas Stanier 1943 (Approved Lists 1980)

Assigned by: Schubert RHW, Hegazi M, Wahlig W. Aeromonas ichthiosmia species nova. Hyg. Med. 1990; 15:477-479.

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