Name: Eggerthella Wade et al. 1999

Category: Genus

Proposed as: gen. nov.

Etymology: Eg.ger.thel’la. N.L. fem. dim. n. Eggerthella, named to honour Arnold Eggerth, who first described the organism later named Eubacterium lentum (Eggerth 1935)

Gender: feminine (stem: Eggerthell-)

Type species: Eggerthella lenta (Eggerth 1935) Wade et al. 1999

Conduct genome-based taxonomy of genus at TYGS

16S rRNA gene: Analyse FASTA

Valid publication: Wade WG, Downes J, Dymock D, Hiom SJ, Weightman AJ, Dewhirst FE, Paster BJ, Tzellas N, Coleman B. The family Coriobacteriaceae: reclassification of Eubacterium exiguum (Poco et al. 1996) and Peptostreptococcus heliotrinreducens (Lanigan 1976) as Slackia exigua gen. nov., comb. nov. and Slackia heliotrinireducens gen. nov., comb. nov., and Eubacterium lentum (Prevot 1938) as Eggerthella lenta gen. nov., comb. nov. Int J Syst Bacteriol 1999; 49:595-600.

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 49, part 2 of the IJSB. Int J Syst Bacteriol 1999; 49:937-939.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 2

• Synonyms:

  • Name	Kind
    Eggerthella Kageyama et al. 1999	homotypic synonym, validly published under the ICNP, illegitimate name

• 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.
  • Würdemann et al. 2009 Wurdemann D, Tindall BJ, Pukall R, Lunsdorf H, Strompl C, Namuth T, Nahrstedt H, Wos-Oxley M, Ott S, Schreiber S, et al. Gordonibacter pamelaeae gen. nov., sp. nov., a new member of the Coriobacteriaceae isolated from a patient with Crohn's disease, and reclassification of Eggerthella hongkongensis Lau et al. 2006 as Paraeggerthella hongkongensis gen. nov., comb. nov. Int J Syst Evol Microbiol 2009; 59:1405-1415. Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 59, part 6 of the IJSEM. Int J Syst Evol Microbiol 2009; 59:2131-2132.
    Notes:
    • ⊖ Emendation accompanied by the removal of 1 species from the genus.

• Notes:
  • 🥇 Nomenclatural type of the family Eggerthellaceae Gupta et al. 2013. Publication: Gupta RS, Chen WJ, Adeolu M, Chai Y. Molecular signatures for the class Coriobacteriia and its different clades; proposal for division of the class Coriobacteriia into the emended order Coriobacteriales, containing the emended family Coriobacteriaceae and Atopobiaceae fam. nov., and Eggerthellales ord. nov., containing the family Eggerthellaceae fam. nov. Int J Syst Evol Microbiol 2013; 63:3379-3397.
  • 🥇 Nomenclatural type of the order Eggerthellales Gupta et al. 2013. Publication: Gupta RS, Chen WJ, Adeolu M, Chai Y. Molecular signatures for the class Coriobacteriia and its different clades; proposal for division of the class Coriobacteriia into the emended order Coriobacteriales, containing the emended family Coriobacteriaceae and Atopobiaceae fam. nov., and Eggerthellales ord. nov., containing the family Eggerthellaceae fam. nov. Int J Syst Evol Microbiol 2013; 63:3379-3397.
  • 🧕 Boone et al. (2001) assigned this genus to the family Coriobacteriaceae Stackebrandt et al. 1997. Publication: Garrity GM, Holt JG. The Road Map to the Manual. In: Boone DR, Castenholz RW, Garrity GM (eds), Bergey's Manual of Systematic Bacteriology, second edition, vol. 1 (The Archaea and the deeply branching and phototrophic Bacteria), Springer-Verlag, New York, 2001, p. 119-166.
  • 🧕 Gupta et al. (2013) assigned this genus to the order Eggerthellales Gupta et al. 2013. Publication: Gupta RS, Chen WJ, Adeolu M, Chai Y. Molecular signatures for the class Coriobacteriia and its different clades; proposal for division of the class Coriobacteriia into the emended order Coriobacteriales, containing the emended family Coriobacteriaceae and Atopobiaceae fam. nov., and Eggerthellales ord. nov., containing the family Eggerthellaceae fam. nov. Int J Syst Evol Microbiol 2013; 63:3379-3397.
  • 🧕 Zhi et al. (2009) assigned this genus to the family Coriobacteriaceae Stackebrandt et al. 1997. Publication: Zhi XY, Li WJ, Stackebrandt E. An update of the structure and 16S rRNA gene sequence-based definition of higher ranks of the class Actinobacteria, with the proposal of two new suborders and four new families and emended descriptions of the existing higher taxa. Int J Syst Evol Microbiol 2009; 59:589-608.
  • 🚋 The type species of this genus has alternatively been placed in the genus Eggerthella Kageyama et al. 1999. Publication: Kageyama A, Benno Y, Nakase T. Phylogenetic evidence for the transfer of Eubacterium lentum to the genus Eggerthella as Eggerthella lenta gen. nov., comb. nov. Int J Syst Bacteriol 1999; 49:1725-1732.
  • 🚋 The type species of this genus has alternatively been placed in the genus Bacteroides Castellani and Chalmers 1919 (Approved Lists 1980). Publication: Eggerth AH. The Gram-positive Non-spore-bearing Anaerobic Bacilli of Human Feces. J Bacteriol 1935; 30:277-299.
  • 🚋 The type species of this genus has alternatively been placed in the genus Eubacterium Prévot 1938 (Approved Lists 1980). Publication: Prévot AR. Études de systématique bactérienne. Annales de l'Institut Pasteur (Paris) 1938; 60:285-307.
  • 🙄 This taxon name is occasionally misprinted (or affected by an OCR error) in some sources as: "Eaaerthella"; "Egerthella"; "Eggeithella"; "Eggerghella"; "Eggertella"; "Eggerthela"; "Eggerthellla"; "Eggertlzellu"; "Egyerthella"; "Eiggerthella"; "Epgerthella"; "Esgerthella"; "Eygerthella"; "Fggerthella"; "Joggerthella"; "Kggerthella"; "Kygerthella"; "Tggerthella"; "Zggerthella".
  • 🎰 The BRCs most frequently used for deposits in this group are: JCM: 4; CCUG: 4; DSM: 3; NCTC: 1; CGMCC: 1; CIP: 1; ATCC: 1.
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 2, note = "Animal classification RG: 2 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 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.
  • 🧍 Pittman et al. (1991) suggested the abbreviation "EGTL" for this genus name but this does not appear to be of practical relevance any longer. Publication: Pittman KF, Walczak CA, Lock CM. Codes and abbreviations for approved of effectively published names of genera of bacteria published from January 1980 to December 1990. Int J Syst Bacteriol 1991; 41:571-579.

Subdivision:

Number of child taxa with a validly published and correct name: 4
Number of child taxa with a validly published name, including synonyms: 5
Total number of child taxa: 5

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Eggerthella guodeyinii Ge et al. 2021	validly published under the ICNP	correct name
    Eggerthella hongkongensis Lau et al. 2006	validly published under the ICNP	synonym
    Eggerthella lenta (Eggerth 1935) Wade et al. 1999	validly published under the ICNP	correct name
    Eggerthella sinensis Lau et al. 2006	validly published under the ICNP	correct name
    Eggerthella timonensis Bilen et al. 2023	validly published under the ICNP	correct name

Parent taxon: Eggerthellaceae Gupta et al. 2013

Assigned by: Gupta RS, Chen WJ, Adeolu M, Chai Y. Molecular signatures for the class Coriobacteriia and its different clades; proposal for division of the class Coriobacteriia into the emended order Coriobacteriales, containing the emended family Coriobacteriaceae and Atopobiaceae fam. nov., and Eggerthellales ord. nov., containing the family Eggerthellaceae fam. nov. Int J Syst Evol Microbiol 2013; 63:3379-3397.

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Record number: 515567