Name: Delftia tsuruhatensis Shigematsu et al. 2003

Category: Species

Proposed as: sp. nov.

Etymology: tsu.ru.hat.en’sis. N.L. fem. adj. tsuruhatensis, referring to Tsuruhata, Kumamoto Prefecture, Japan, where the type strain was isolated

Gender: feminine

Type strain: ATCC BAA-554; DSM 17581; IFO 16741; NBRC 16741; T7

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB681119 Analyse FASTA

Valid publication: Shigematsu T, Yumihara K, Ueda Y, Numaguchi M, Morimura S, Kida K. Delftia tsuruhatensis sp. nov., a terephthalate-assimilating bacterium isolated from activated sludge. Int J Syst Evol Microbiol 2003; 53:1479-1483.

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 53, part 5 of the IJSEM. Int J Syst Evol Microbiol 2004; 54:3-6.

Nomenclatural status: validly published under the ICNP

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

Risk group: 1

• Emendations:
  • Jørgensen et al. 2009 Jorgensen NO, Brandt KK, Nybroe O, Hansen M. Delftia lacustris sp. nov., a peptidoglycan-degrading bacterium from fresh water, and emended description of Delftia tsuruhatensis as a peptidoglycan-degrading bacterium. Int J Syst Evol Microbiol 2009; 59:2195-2199. Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 59, part 9 of the IJSEM. Int J Syst Evol Microbiol 2009; 59:2921-2922.

• Notes:
  • 😷 The risk group for Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 1. — The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 1, note = "+". — 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 78 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 pathogenicity 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 2022; 168:0.

Parent taxon: Delftia Wen et al. 1999

Assigned by: Shigematsu T, Yumihara K, Ueda Y, Numaguchi M, Morimura S, Kida K. Delftia tsuruhatensis sp. nov., a terephthalate-assimilating bacterium isolated from activated sludge. Int J Syst Evol Microbiol 2003; 53:1479-1483.

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Record number: 775499