Name: Delftia lacustris Jørgensen et al. 2009

Category: Species

Proposed as: sp. nov.

Etymology: la.cus’tris. N.L. fem. adj. lacustris, growing by lakes or ponds; L. gen. masc. n. lacus, a lake

Pronunciation, gender: la-KUS-tris, feminine

Type strain: 332; DSM 21246; LMG 24775

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: EU888308 Analyse FASTA

Valid publication: 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.

IJSEM list: 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.

Nomenclatural status: validly published under the ICNP

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

Risk group: 1

• Notes:
  • 😷 The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 1. — 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 26 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 (Reading) 2022; 168:0.

Parent taxon: Delftia Wen et al. 1999

Assigned by: 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.

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Record number: 788102