Name: Catabacter hongkongensis Lau et al. 2014

Category: Species

Proposed as: sp. nov.

Etymology: hong.kong.en’sis. N.L. masc./fem. adj. hongkongensis, in honor of Hong Kong, the place where the type strain was isolated

Gender: masculine

Type strain: CCUG 54229; DSM 18959; HKU16; JCM 17853

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB671763 Analyse FASTA

Effective publication: Lau SK, Fan RY, Lo HW, Ng RH, Wong SS, Li IW, Wu AK, Ng KH, Tseung S, Lee RA, et al. High mortality associated with Catabacter hongkongensis bacteremia. J Clin Microbiol 2012; 50:2239-2243.

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: synonym

Correct name: Christensenella hongkongensis (Lau et al. 2014) Liu et al. 2021

Risk group: 2

• Synonyms:

  • Name	Kind
    Christensenella hongkongensis (Lau et al. 2014) Liu et al. 2021	homotypic synonym, validly published under the ICNP
    "Catabacter hongkongensis" Lau et al. 2007	homotypic synonym, not validly published

• Notes:
  • 🥇 Nomenclatural type of the genus Catabacter Lau et al. 2014. Publication: Lau SK, Fan RY, Lo HW, Ng RH, Wong SS, Li IW, Wu AK, Ng KH, Tseung S, Lee RA, et al. High mortality associated with Catabacter hongkongensis bacteremia. J Clin Microbiol 2012; 50:2239-2243.
  • 🙄 The epithet of this taxon name is occasionally misprinted in some sources as: "honkongensis".
  • ❗ Catabacter hongkongensis is the correct name instead if this species is regarded as a separate species (i.e., if its nomenclatural type is not assigned to another species whose name is validly published, legitimate and not rejected and has priority) within a separate genus Catabacter.
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 2, note = "Animal classification RG: 1 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 2". — The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 2.
  • 🎓 Name mentioned 16 times in PubMed until 2024-03-28.
  • 🧍 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: Catabacter Lau et al. 2014

Assigned by: Lau SK, Fan RY, Lo HW, Ng RH, Wong SS, Li IW, Wu AK, Ng KH, Tseung S, Lee RA, et al. High mortality associated with Catabacter hongkongensis bacteremia. J Clin Microbiol 2012; 50:2239-2243.

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Record number: 798690