Species Eggerthella hongkongensis

Name: Eggerthella hongkongensis Lau et al. 2006

Category, proposed as: species, sp. nov.

Etymology: hong.kong.en’sis. N.L. fem. adj. hongkongensis, pertaining to Hong Kong, the city where the bacterium was discovered

Pronunciation (Latin), gender: eg-ger-T^HEL-la hon͡g-kon͡g-EN-sis, feminine

Type strain: CCUG 49250; DSM 16106; HKU 10; JCM 14552; LMG 22124

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AY288517 Analyse FASTA

Effective publication: Lau SK, Woo PC, Woo GK, Fung AM, Wong MK, Chan KM, Tam DM, Yuen KY. Eggerthella hongkongensis sp. nov. and eggerthella sinensis sp. nov., two novel Eggerthella species, account for half of the cases of Eggerthella bacteremia. Diagn Microbiol Infect Dis 2004; 49:255-263. 🇭🇰

IJSEM list: Euzeby JP. Validation list no. 111. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2006; 56:2025-2027.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym (and not recommended for medical use)

Correct name: Paraeggerthella hongkongensis (Lau et al. 2006) Würdemann et al. 2009

Risk group: 2

• Synonyms:

  • Name	Kind
    Paraeggerthella hongkongensis (Lau et al. 2006) Würdemann et al. 2009	homotypic synonym, validly published under the ICNP

• Emendations:
  • Maruo et al. 2008 Maruo T, Sakamoto M, Ito C, Toda T, Benno Y. Adlercreutzia equolifaciens gen. nov., sp. nov., an equol-producing bacterium isolated from human faeces, and emended description of the genus Eggerthella. Int J Syst Evol Microbiol 2008; 58:1221-1227. 🇯🇵 Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 58, part 5 of the IJSEM. Int J Syst Evol Microbiol 2008; 58:1783-1784.
    Notes:
    • 🧍 In the paper by Maruo et al. 2008, Eggerthella hongkongensis Lau et al. 2006 is erroneously cited as Eggerthella hongkongensis Lau et al. 2004.

• Notes:
  • ❗ Eggerthella 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 Eggerthella.
  • 😷 The risk group for Belgium has been imported on 2024-02-05. The full classification is: risk group = 2, note = "human pathogen". — The risk group for Germany has been imported on 2026-08-13. The full classification is: risk group = 2. — 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 4 times in PubMed until 2026-06-11.
  • 🙅 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as a synonym of the name to be applied to this species. The name is on LoRN because of the recorded risk group of the species itself.
  • 🧍 The culture collection accession numbers DSM 16106 and LMG 22124 have been provided on request for validation. Publication: Euzeby JP. Validation list no. 111. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2006; 56:2025-2027.

Parent taxon: Eggerthella Wade et al. 1999

Assigned by: Lau SK, Woo PC, Woo GK, Fung AM, Wong MK, Chan KM, Tam DM, Yuen KY. Eggerthella hongkongensis sp. nov. and eggerthella sinensis sp. nov., two novel Eggerthella species, account for half of the cases of Eggerthella bacteremia. Diagn Microbiol Infect Dis 2004; 49:255-263. 🇭🇰

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Record number: 785466