Carboxydothermus hydrogenoformans

Carboxydothermus hydrogenoformans is an extremely thermophilic anaerobic Gram-positive bacterium that has the interesting property of producing hydrogen as a waste product while feeding on carbon monoxide and water. It also forms endospores.

Carboxydothermus hydrogenoformans
Endospore of C. hydrogenoformans
Scientific classification
Domain: Bacteria
Phylum: Bacillota
Class: Clostridia
Order: Thermoanaerobacterales
Family: Thermoanaerobacteraceae
Genus: Carboxydothermus
Species:
C. hydrogenoformans
Binomial name
Carboxydothermus hydrogenoformans
Svetlichny 1991

It was isolated from a hot spring on the Russian volcanic island of Kunashir by Svetlichny et al. in 1991.[1] Its complete genome was sequenced in 2005 by a team of scientists of the Institute for Genomic Research (TIGR) [2]

According to TIGR evolutionary biologist Jonathan Eisen, "C. hydrogenoformans is one of the fastest-growing microbes that can convert water and carbon monoxide to hydrogen." The microbe owes this to the fact that it has at least five different forms of carbon monoxide dehydrogenase.

References
  1. Svetlichny, V.A.; Sokolova, T.G.; Gerhardt, M.; Ringpfeil, M.; Kostrikina, N.A.; Zavarzin, G.A. (1991). "Carboxydothermus hydrogenoformans gen. nov., sp. nov., a CO-utilizing Thermophilic Anaerobic Bacterium from Hydrothermal Environments of Kunashir Island". Systematic and Applied Microbiology. 14 (3): 254–260. doi:10.1016/S0723-2020(11)80377-2.
  2. Wu, M.; Ren, Q.; Durkin, A. S.; Daugherty, S. C.; Brinkac, L. M.; Dodson, R. J.; Madupu, R.; Sullivan, S. A.; Kolonay, J. F.; Haft, W. C.; Nelson, L. J.; Tallon, K. M.; Jones, L. E.; Ulrich, J. M.; Gonzalez, I. B.; Zhulin, F. T.; Robb, J. A.; Eisen, J. A. (2005). "Life in Hot Carbon Monoxide: The Complete Genome Sequence of Carboxydothermus hydrogenoformans Z-2901". PLOS Genetics. 1 (5): e65. doi:10.1371/journal.pgen.0010065. PMC 1287953. PMID 16311624.


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