Name: Enterobacter hormaechei subsp. steigerwaltii Hoffmann et al. 2016

Category: Subspecies

Proposed as: subsp. nov.

Etymology: stei.ger.walt’i.i. N.L. gen. masc. n. steigerwaltii, in honor of Arnold G. Steigerwalt, an American microbiologist who contributed to the species descriptions of E. asburiae and E. hormaechei

Gender: masculine

Type strain: CIP 108489; DSM 16691; EN-562

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AJ853890 Analyse FASTA

Effective publication: Hoffmann H, Stindl S, Ludwig W, Stumpf A, Mehlen A, Monget D, Pierard D, Ziesing S, Heesemann J, Roggenkamp A, et al. Enterobacter hormaechei subsp. oharae subsp. nov., E. hormaechei subsp. hormaechei comb. nov., and E. hormaechei subsp. steigerwaltii subsp. nov., three new subspecies of clinical importance. J Clin Microbiol 2005; 43:3297-3303.

IJSEM list: Oren A, Garrity GM. Validation list no. 172. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2016; 66:4299-4305.

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, note = "ht". — 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.
  • 🙆 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as the name to be applied to this subspecies. The name is on LoRN because of the recorded risk group of the species itself.
  • 🧍 In the effective publication, the DSMZ collection number of the type strain was mistakenly given as DSMZ 16691 instead of DSM 16691. — Leibniz Institute DSMZ. Prokaryotic Nomenclature Up-to-date, 2018-12-11.

Parent taxon: Enterobacter hormaechei O'Hara et al. 1990

Assigned by: Hoffmann H, Stindl S, Ludwig W, Stumpf A, Mehlen A, Monget D, Pierard D, Ziesing S, Heesemann J, Roggenkamp A, et al. Enterobacter hormaechei subsp. oharae subsp. nov., E. hormaechei subsp. hormaechei comb. nov., and E. hormaechei subsp. steigerwaltii subsp. nov., three new subspecies of clinical importance. J Clin Microbiol 2005; 43:3297-3303.

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Record number: 775944