Thermoanaerobacter brockii

Thermoanaerobacter brockii, formerly Thermoanaerobium brockii, is a thermophilic, anaerobic, spore-forming bacterium.

Thermoanaerobacter brockii
Scientific classification
Domain:
Bacteria
Phylum:
Bacillota
Class:
Clostridia
Order:
Thermoanaerobacterales
Family:
Thermoanaerobacteraceae
Genus:
Thermoanaerobacter
Species:
T. brockii
Binomial name
Thermoanaerobacter brockii
(Zeikus et al. 1983) Lee et al. 1993[1]

The bacterium was first isolated from Yellowstone National Park. The growth range for the organism is 35 to 80°C and pH 5.5-9.5, with optimal growth conditions at 65-70°C and pH 7.5. T. brockii stains Gram-positive.[2] While originally thought to be non-sporeforming bacteria, it was later discovered that the organism produced spores that can survive heating at 115 °C for 80 min.[3] The species was originally classified as Thermoanaerobium brockii, but further analysis put the bacteria into the genus Thermoanaerobacter.[4] The species is named "in honor of T.D. Brock, a pioneer in the golden era of thermophily."[2]

References
  1. Parte, A.C. "Thermoanaerobacter". LPSN.
  2. J. G. Zeikus, P. W. Hegge and Mary Ann Anderson. Thermoanaerobium brockii gen. nov. and sp. nov., a new chemoorganotrophic, caldoactive, anaerobic bacterium. Archives of Microbiology. Volume 122, Number 1 (1979), 41-48, DOI: 10.1007/BF00408044.
  3. Gregory M. Cook, Peter H. Janssen, Hugh W. Morgan. Endospore Formation by Thermoanaerobiumbrockii HTD4. Systematic and Applied Microbiology. Volume 14, Issue 3, July 1991, Pages 240–244.
  4. Yong-Eok Lee, Mahendra K. Jain, Chanyong Lee, and J. Gregory Zeikus. Taxonomic Distinction of Saccharolytic Thermophilic Anaerobes: Description of Thermoanaerobacterium xylanolyticum gen. nov., sp. nov., and Thermoanaerobacterium saccharolyticum gen. nov., sp. nov.; Reclassification of Thermoanaerobium brockii, Clostridium thermosulfurogenes, and Clostridium thermohydrosulfuricum E100-69 as Thermoanaerobacter brockii comb. nov., Thermoanaerobacterium thermosulfurigenes comb. nov., and Thermoanaerobacter thermohydrosulfuricus comb. nov., Respectively; and Transfer of Clostridium thermohydrosulfuricum 39E to Thermoanaerobacter ethanolicus. International Journal of Systematic Bacteriology. January 1993 vol. 43 no. 1 41-51. doi: 10.1099/00207713-43-1-41.
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