Etymology:
Fae.ca.li.bac.te’ri.um. N.L. masc./fem. adj.faecalis, pertaining to faeces; Gr. neut. dim. n.baktêrion, a small rod; N.L. neut. n.Faecalibacterium, rod from faeces, as this bacterium is present in high numbers in faeces in the colon, its presumed habitat
Valid publication:
Duncan SH, Hold GL, Harmsen HJ, Stewart CS, Flint HJ. Growth requirements and fermentation products of Fusobacterium prausnitzii, and a proposal to reclassify it as Faecalibacterium prausnitzii gen. nov., comb. nov. Int J Syst Evol Microbiol 2002; 52:2141-2146.
IJSEM list:
Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 52, part 6 of the IJSEM. Int J Syst Evol Microbiol 2003; 53:375-376.
Nomenclatural status:
validly published under the ICNP
Taxonomic status:
correct name
Risk group:
2
Emendations:
Zou et al. 2021
Zou Y, Lin X, Xue W, Tuo L, Chen MS, Chen XH, Sun CH, Li F, Liu SW, Dai Y, et al. Characterization and description of Faecalibacterium butyricigenerans sp. nov. and F. longum sp. nov., isolated from human faeces. Sci Rep 2021; 11:11340.
Oren A, Garrity GM. List of changes in taxonomic opinion no. 35. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2022; 72:5164. Notes:
⊕ Emendation accompanied by the proposal of 2 new species in the genus.
😢 The terminology used by the authors is in line with many other taxonomic studies and does not negatively affect their main results; some improvements may nevertheless be possible. Contrasting the term "chemotaxonomic" with "phenotypic" is not recommended. Using the term "phylogenetic data" (or equivalent) for sequence data is not advocated. See the LPSN phylogeny page for details.
Notes:
🧕 De Vos et al. (2009) assigned this genus to the family Ruminococcaceae Rainey 2010.Publication:
Rainey FA. Family VIII. Ruminococcaceae fam. nov. In: De Vos P, Garrity GM, Jones D, Krieg NR, Ludwig W, Rainey FA, K.-H. S, Whitman WB (eds), Bergey's Manual of Systematic Bacteriology, 2nd edn, vol. 3 (The Firmicutes), Springer, New York, 2009, p. 1016.
🚋 The type species of this genus has alternatively been placed in the genus Bacteroides Castellani and Chalmers 1919 (Approved Lists 1980).Publication:
Hauduroy P, Ehringer G, Urbain G, Guillot G, Magrou J. Dictionnaire des bactéries pathogènes. Masson et Cie, Paris, 1937.
🚋 The type species of this genus has alternatively been placed in the genus Fusobacterium Knorr 1922 (Approved Lists 1980).Publication:
Moore WEC, Holdeman LV. Fusobacterium. In: Cato EP, Cummins CS, Holdeman LV, Johnson JL, Moore WEC, Smibert RM, Smith LDS (eds), Outline of Clinical Methods in Anaerobic Bacteriology, 2nd revision, Virginia Polytechnic Institute - Anaerobe Laboratory, Blacksburg/Virginia, 1970, p. 45-51.
🙄 This taxon name is occasionally misprinted (or affected by an OCR error) in some sources as: "Faecafibacterium"; "Faecaliumbacterium"; "Feacalibacterium"; "Fecalibacterium". — 🤨 This taxon name is occasionally used in plural form as: "Faecalibacteria".
💁 Taxonomists who have recently focused on this group are the corresponding authors of Sakamoto et al. (2023). Editors in search of reviewers are advised to consider additional criteria such as whether a taxon is covered by one of the ICSP subcommittees.
🎰 The BRCs most frequently used for deposits in this group are: DSM: 6; JCM: 4; CGMCC: 3; ATCC: 2; NCIMB: 2.
😷 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".
Subdivision:
Number of child taxa with a validly published and correct name: 6 Number of child taxa with a validly published name, including synonyms: 7 Total number of child taxa: 16
Assigned by:
Tindall BJ. The names Hungateiclostridium Zhang et al. 2018, Hungateiclostridium thermocellum (Viljoen et al. 1926) Zhang et al. 2018, Hungateiclostridium cellulolyticum (Patel et al. 1980) Zhang et al. 2018, Hungateiclostridium aldrichii (Yang et al. 1990) Zhang et al. 2018, Hungateiclostridium alkalicellulosi (Zhilina et al. 2006) Zhang et al. 2018, Hungateiclostridium clariflavum (Shiratori et al. 2009) Zhang et al. 2018, Hungateiclostridium straminisolvens (Kato et al. 2004) Zhang et al. 2018 and Hungateiclostridium saccincola (Koeck et al. 2016) Zhang et al. 2018 contravene Rule 51b of the International Code of Nomenclature of Prokaryotes and require replacement names in the genus Acetivibrio Patel et al. 1980. Int J Syst Evol Microbiol 2019; 69:3927-3932.
Linking:
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