Coprothermobacter

Coprothermobacter is a genus of rod-shaped microorganisms, belonging to the new bacterial family Coprothermobacteraceae of the new phylum Coprothermobacterota.[1] This taxonomic genus has been reclassified in 2018, after different phylogenetic studies showed that these bacteria represented a deeply branched taxon of the domain Bacteria;[2] consequently, the clade including this genus has been classified in a separate phylum from Firmicutes, the phylum where it was included before reclassification.

Coprothermobacter
Scientific classification
Domain: Bacteria
Phylum: Coprothermobacterota
Class: Coprothermobacteria
Order: Coprothermobacterales
Family: Coprothermobacteraceae
Genus: Coprothermobacter
Rainey and Stackebrandt 1993
Species

According to the first description of this genus, the etymology of its name derives from Greek words "kopros", meaning dung, from the source where one of the species (Coprothermobacter proteolyticus) was isolated,[3] and "thermos", meaning hot, warm, because of the relatively high temperatures at which these bacteria are able to grow, which can be as high as 75°C.[4]

Actually, very few known bacterial species are included in this genus, which are characterized by sharing genetic information with microorganisms belonging to Archaea, a taxonomic domain separate from the domain Bacteria. For this reason, Coprothermobacteria are considered a diverging lineage of bacteria.

Among the species included in this genus, Coprothermobacter platensis[5] and Coprothermobacter proteolyticus (formerly named Thermobacteroides proteolyticus)[3] are the only strains with validly published names.[6][7]

References
  1. Pavan, María Elisa; Pavan, Esteban E.; Glaeser, Stefanie P.; Etchebehere, Claudia; Kämpfer, Peter; Pettinari, María Julia; López, Nancy I. (2018). "Proposal for a new classification of a deep branching bacterial phylogenetic lineage: transfer of Coprothermobacter proteolyticus and Coprothermobacter platensis to Coprothermobacteraceae fam. nov., within Coprothermobacterales ord. nov., Coprothermobacteria classis nov. and Coprothermobacterota phyl. nov. and emended description of the family Thermodesulfobiaceae". International Journal of Systematic and Evolutionary Microbiology. 68 (5): 1627–1632. doi:10.1099/ijsem.0.002720. PMID 29595416.
  2. Pavan, María E.; Pavan, Esteban E.; Kämpfer, Peter; Pettinari, M. Julia; López, Nancy I. (2019-06-27), "Coprothermobacter", Bergey's Manual of Systematics of Archaea and Bacteria, John Wiley & Sons, Ltd, pp. 1–11, doi:10.1002/9781118960608.gbm00752.pub2, ISBN 9781118960608
  3. Rainey, Fred A.; Stackebrandt, Erko (1993). "Transfer of the Type Species of the Genus Thermobacteroides to the Genus Thermoanaerobacter as Thermoanaerobacter acetoethylicus(Ben-Bassat and Zeikus 1981) comb. nov., Description of Coprothermobacter gen. nov., and Reclassification of Thermobacteroides proteolyticus as Coprothermobacter proteolyticus(Ollivier et al. 1985) comb. nov". International Journal of Systematic and Evolutionary Microbiology. 43 (4): 857–859. doi:10.1099/00207713-43-4-857.
  4. Ollivier, Bernard M.; Mah, Robert A.; Ferguson, Thomas J.; Boone, David R.; Garcia, J. L.; Robinson, Ralph (1985). "Emendation of the Genus Thermobacteroides: Thermobacteroides proteolyticus sp. nov., a Proteolytic Acetogen from a Methanogenic Enrichment" (PDF). International Journal of Systematic and Evolutionary Microbiology. 35 (4): 425–428. doi:10.1099/00207713-35-4-425.
  5. Etchebehere, C.; Pavan, M. E.; Zorzópulos, J.; Soubes, M.; Muxi, L. (1998). "Coprothermobacter platensis sp. nov., a new anaerobic proteolytic thermophilic bacterium isolated from an anaerobic mesophilic sludge". International Journal of Systematic and Evolutionary Microbiology. 48 (4): 1297–1304. doi:10.1099/00207713-48-4-1297. PMID 9828430.
  6. Parte, A.C. "Coprothermobacter platensis". LPSN. Retrieved 2018-11-11.
  7. Parte, A.C. "Coprothermobacter proteolyticus". LPSN. Retrieved 2018-11-11.
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