Coprococcus

Coprococcus
Scientific classification Edit this classification
Domain: Bacteria
Kingdom: Bacillati
Phylum: Bacillota
Class: Clostridia
Order: Eubacteriales
Family: Lachnospiraceae
Genus: Coprococcus
Holdeman and Moore 1974 (Approved Lists 1980)[1]
Type species
Coprococcus eutactus
Holdeman and Moore 1974 (Approved Lists 1980)
Species[1]
  • C. aceti
  • C. ammoniilyticus
  • C. eutactus
  • C. hominis
  • C. intestinalis
  • C. intestinihominis
  • C. phoceensis

Coprococcus is a genus of anaerobic bacteria in the family Lachnospiraceae. The type species is Coprococcus eutactus.[1] The genus was originally described for Gram-positive, nonmotile cocci isolated from human feces.[2]

Some members of the genus produce butyrate during carbohydrate fermentation and form part of the human gut microbiota.[3] Reduced relative abundance of sequences assigned to Coprococcus has been reported in a study of patients with colorectal cancer.[4]

Taxonomy

The name Coprococcus is derived from the Ancient Greek kopros, meaning excrement or feces, and kokkos, meaning berry.[1]

LPSN recognizes seven species with correct names in the genus: C. aceti, C. ammoniilyticus, C. eutactus, C. hominis, C. intestinalis, C. intestinihominis, and C. phoceensis.[1]

Genome-based analyses led to the transfer of several species formerly assigned to Coprococcus. Coprococcus comes was transferred to Allocoprococcus as A. comes; C. catus and C. immobilis were transferred to Pseudocoprococcus; and C. mobilis was transferred to Faecalimonas.[5]

Phylogeny

Nomenclature follows the List of Prokaryotic names with Standing in Nomenclature (LPSN),[1] with the National Center for Biotechnology Information (NCBI) taxonomy database used as an additional reference.[6]

The trees below compare a 16S rRNA gene phylogeny from LTP_10_2024 with a genome-based phylogeny from GTDB release R11-RS232.

16S rRNA based LTP_10_2024[7][8][9] 120 marker proteins based GTDB R11-RS232[10][11]
Coprococcus

C. eutactus Holdeman & Moore 1974

C. ammoniilyticus Hitch et al. 2022

C. hominis Liu et al. 2022

Coprococcus_C

C. hominis

Coprococcus

C. aceti

C. eutactus

C. ammoniilyticus

Coprococcus_A

C. catus (now Pseudocoprococcus catus)

C. intestinihominis

See also

References

  1. ^ a b c d e f Coprococcus in LPSN; Freese, H. M.; Meier-Kolthoff, J. P.; Sardà Carbasse, J.; Afolayan, A. O.; Göker, M. (29 October 2025). "TYGS and LPSN in 2025: a Global Core Biodata Resource for genome-based classification and nomenclature of prokaryotes within DSMZ Digital Diversity". Nucleic Acids Research. 53: D1–D12. doi:10.1093/nar/gkaf1110.
  2. ^ Holdeman, L. V.; Moore, W. E. C. (1974). "New genus, Coprococcus, twelve new species, and emended descriptions of four previously described species of bacteria from human feces". International Journal of Systematic Bacteriology. 24 (2): 260–277. doi:10.1099/00207713-24-2-260.
  3. ^ Louis, Petra; Flint, Harry J. (2017). "Formation of propionate and butyrate by the human colonic microbiota". Environmental Microbiology. 19 (1): 29–41. doi:10.1111/1462-2920.13589. hdl:2164/9751. PMID 27235414.
  4. ^ Xia, Li C.; Liu, Gang; Gao, Yingxin; Li, Xiaoxin; Pan, Hongfei; Ai, Dongmei (2019). "Identifying gut microbiota associated with colorectal cancer using a zero-inflated lognormal model". Frontiers in Microbiology. 10 826. doi:10.3389/fmicb.2019.00826. PMC 6491826. PMID 31068913.
  5. ^ Yamamoto, Eri; Hisatomi, Atsushi; Miwa, Kana; Sakurai, Naomi; Koizumi, Akiko; Ohkuma, Moriya; Tsuchihashi, Hanae; Sakamoto, Mitsuo (2026). "Proposal of two novel species, Allocoprococcus similis gen. nov., sp. nov. and Faecalimonas hominis sp. nov., isolated from human faeces and genome-based reorganization of the genus Coprococcus". International Journal of Systematic and Evolutionary Microbiology. 76 (1) 007011. doi:10.1099/ijsem.0.007011. PMID 41498776.
  6. ^ Schoch CL; et al. "Coprococcus". National Center for Biotechnology Information taxonomy database. Retrieved 27 July 2026.
  7. ^ "The LTP and LTPlus". Retrieved 27 July 2026.
  8. ^ "LTP_all tree in Newick format". Retrieved 10 December 2024.
  9. ^ "LTP_10_2024 release notes" (PDF). Retrieved 10 December 2024.
  10. ^ "GTDB release R11-RS232". Genome Taxonomy Database. Retrieved 27 July 2026.
  11. ^ "bac120_r232.sp_labels.tree". Genome Taxonomy Database. Retrieved 27 July 2026.
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