Name: Providencia thailandensis Khunthongpan et al. 2014

Category: Species

Proposed as: sp. nov.

Etymology: thai.lan.den’sis. N.L. fem. adj. thailandensis, pertaining to Thailand, where the type strain was isolated

Pronunciation (Latin), gender: pro-wi-DEN-ki-a t^hai-lan-DEN-sis, feminine

Type strain: C1112; KCTC 23281; NBRC 106720

Conduct genome-based taxonomy at

16S rRNA gene: HQ888847 Analyse FASTA

Effective publication: Khunthongpan S, Sumpavapol P, Tanasupawat S, Benjakul S, H-Kittikun A. Providencia thailandensis sp. nov., isolated from seafood processing wastewater. J Gen Appl Microbiol 2013; 59:185-190. 🇹🇭

IJSEM list: Oren A, Garrity GM. Validation list no. 159. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2014; 64:2927-2929.

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 2026-08-13. 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 2 times in PubMed until 2026-06-11.
  • 🙆 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 risk group of the genus.
  • 🧍 Dong et al. (2024) claimed that Providencia thailandensis is a later heterotypic synonym of Providencia stuartii but they did not use the type strain of Providencia stuartii for their comparison. Publication: Dong X, Jia H, Yu Y, Xiang Y, Zhang Y. Genomic revisitation and reclassification of the genus Providencia. mSphere 2024; 9:e0073123. 🇨🇳

Parent taxon: Providencia Ewing 1962 (Approved Lists 1980)

Assigned by: Khunthongpan S, Sumpavapol P, Tanasupawat S, Benjakul S, H-Kittikun A. Providencia thailandensis sp. nov., isolated from seafood processing wastewater. J Gen Appl Microbiol 2013; 59:185-190. 🇹🇭

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Record number: 792089