FCB superphylum

For Bacteroidota class, see Sphingobacteriia.

FCB
Bacteroides spp.
Scientific classification
Domain:	Bacteria
Kingdom:	Pseudomonadati
Superphylum:	"FCB"
Phyla
Bacteroidota–Chlorobiota group Bacteroidota Balneolota Chlorobiota Ignavibacteriota Rhodothermota "Ca. Kapabacteria" "Ca. Kryptonia" Calditrichota Fibrobacterota Gemmatimonadota "Ca. Aegiribacteria" "Ca. Cloacimonetes" "Ca. Delphibacteria" "Ca. Fermentibacteria" "Ca. Hydrogenedentes" "Ca. Latescibacteria" "Ca. Marinimicrobia" "Ca. "Zixibacteria"
Synonyms
Sphingobacteria Cavalier-Smith, 1987 [1]

The FCB is a proposed superphylum of bacteria named after the main member phyla Fibrobacterota, Chlorobiota, and Bacteroidota. The members are considered to form a clade due to a number of conserved signature indels. ^[2]

Cavalier-Smith calls the equivalent grouping a phylum by the name of Sphingobacteria. It contains the classes Chlorobiota, Fibrobacterota, Bacteroidota, and Flavobacteria. However, this megaclassification is not followed by the larger scientific community. ^{[3] [4] [5]}

FCB group [2] [6] [7]	16S rRNA based LTP_12_2021 [8] [9] [10]	GTDB 07-RS207 by Genome Taxonomy Database [11] [12] [13]
FCB "Hydrogenedentes" "Fermentibacteria" Gemmatimonadota "Latescibacteria" Fibrobacterota "Delphibacteria" "Cloacimonetes" "Zixibacteria" Calditrichota "Marinimicrobia" Bacteroidota–Chlorobiota Ignavibacteriota "Kryptonia" "Kapabacteria" Chlorobiota Rhodothermota Bacteroidota	Fibrobacterota Gemmatimonadota Calditrichota Ignavibacteriota Chlorobiota Rhodothermota Balneolota Bacteroidota	"Latescibacteria (incl. "Handelsmanbacteria") "Edwardsbacteria"" "Zixibacteria" "Eisenbacteria" "Krumholzibacteriota" (incl. "Delphibacteria") "Fermentibacteria" (incl. "Aegiribacteria") Gemmatimonadota (incl. "Glassbacteria") "Hydrothermota" (incl. "Stahlbacteria", "Pyropristinus") "Cloacimonetes" Fibrobacterota (incl. "Raymondbacteria") "Delongbacteria" Calditrichota "Marinisomatota" Bacteroidota "Kapabacteria" "Kryptonia" "Ignavibacteriia" "Chlorobiia" Rhodothermia (incl. Balneolales) Bacteroidia

An analogous situation is seen with the PVC group/Planctobacteria.

The Bacteroidota–Chlorobiota group in brown is visible on this 2016 tree of life using ribosomal protein sequences

See also

• List of bacterial orders
• List of bacteria genera

References

1. Cavalier-Smith, T. (1987). The origin of cells: a symbiosis between genes, catalysts and membranes. Cold Spring Harbor Symposia on Quantitative Biology 52, 805-24, , .
2. 1 2 Gupta, R. S. (2004). "The Phylogeny and Signature Sequences Characteristics of Fibrobacteres, Chlorobi, and Bacteroidetes". Critical Reviews in Microbiology. 30 (2): 123–143. doi:10.1080/10408410490435133. PMID   15239383. S2CID   24565648.
3. Cavalier-Smith T (2006). "Rooting the tree of life by transition analyses". Biol. Direct. 1: 19. doi: 10.1186/1745-6150-1-19 . PMC   1586193 . PMID   16834776. Archived from the original on 2019-12-18. Retrieved 2010-11-29.
4. Krieg, N.R.; Ludwig, W.; Whitman, W.B.; Hedlund, B.P.; Paster, B.J.; Staley, J.T.; Ward, N.; Brown, D.; Parte, A. (November 24, 2010) [1984(Williams & Wilkins)]. George M. Garrity (ed.). The Bacteroidetes, Spirochaetes, Tenericutes (Mollicutes), Acidobacteria, Fibrobacteres, Fusobacteria, Dictyoglomi, Gemmatimonadetes, Lentisphaerae, Verrucomicrobia, Chlamydiae, and Planctomycetes. Bergey's Manual of Systematic Bacteriology. Vol. 4 (2nd ed.). New York: Springer. p. 908. ISBN   978-0-387-95042-6. British Library no. GBA561951.
5. Classification in LPSN ; Parte, Aidan C.; Sardà Carbasse, Joaquim; Meier-Kolthoff, Jan P.; Reimer, Lorenz C.; Göker, Markus (1 November 2020). "List of Prokaryotic names with Standing in Nomenclature (LPSN) moves to the DSMZ". International Journal of Systematic and Evolutionary Microbiology. 70 (11): 5607–5612. doi: 10.1099/ijsem.0.004332 .
6. Emiley A Eloe-Fadrosh et al. 2017, Global metagenomic survey reveals a new bacterial candidate phylum in geothermal springs. Nature Communications 7 · January 2016 DOI: 10.1038/ncomms1047
7. Kirkegaard, Rasmus Hansen; Dueholm, Morten Simonsen; McIlroy, Simon Jon; Nierychlo, Marta; Karst, Søren Michael; Albertsen, Mads; Nielsen, Per Halkjær (October 2016). "Genomic insights into members of the candidate phylum Hyd24-12 common in mesophilic anaerobic digesters". The ISME Journal. 10 (10): 2352–2364. doi: 10.1038/ismej.2016.43 . ISSN   1751-7370. PMC   5030696 . PMID   27058503.
8. "The LTP" . Retrieved 23 February 2021.
9. "LTP_all tree in newick format" . Retrieved 23 February 2021.
10. "LTP_12_2021 Release Notes" (PDF). Retrieved 23 February 2021.
11. "GTDB release 07-RS207". Genome Taxonomy Database . Retrieved 20 June 2022.
12. "ar53_r207.sp_label". Genome Taxonomy Database . Retrieved 20 June 2022.
13. "Taxon History". Genome Taxonomy Database . Retrieved 20 June 2022.
14. Hug, Laura A.; Baker, Brett J.; Anantharaman, Karthik; Brown, Christopher T.; Probst, Alexander J.; Castelle, Cindy J.; Butterfield, Cristina N.; Hernsdorf, Alex W.; Amano, Yuki; Ise, Kotaro; Suzuki, Yohey; Dudek, Natasha; Relman, David A.; Finstad, Kari M.; Amundson, Ronald; Thomas, Brian C.; Banfield, Jillian F. (11 April 2016). "A new view of the tree of life". Nature Microbiology. 1 (5): 16048. doi: 10.1038/nmicrobiol.2016.48 . PMID   27572647.