Interspecies hydrogen transfer

Interspecies hydrogen transfer (IHT) is a form of interspecies electron transfer.[1] It is a syntrophic process by which H2 is transferred from one organism to another, particularly in the rumen and other anaerobic environments.[1]

IHT was discovered between Methanobacillus omelianskii and an "S" organism in 1967 by Marvin Bryant, Eileen Wolin, Meyer Wolin, and Ralph Wolfe at the University of Illinois.[2] It was shown in 1973 that this process occurs between Ruminococcus albus and Wolinella succinogenes.[3]

This process affects the carbon cycle in that methanogens can participate in interspecies hydrogen transfer combining H2 and CO2 to produce CH4.[4]

References

  1. 1 2 Stams, Alfons J. M.; Plugge, Caroline M. "Electron transfer in syntrophic communities of anaerobic bacteria and archaea". Nature Reviews Microbiology 7 (8): 568–577. doi:10.1038/nrmicro2166.
  2. ↑ Bryant, M. P.; Wolin, E. A.; Wolin, M. J.; Wolfe, R. S. (1967-01-01). "Methanobacillus omelianskii, a symbiotic association of two species of bacteria". Archiv Für Mikrobiologie 59 (1): 20–31. ISSN 0003-9276. PMID 5602458.
  3. ↑ Iannotti, E. L.; Kafkewitz, D.; Wolin, M. J.; Bryant, M. P. (1973-06-01). "Glucose Fermentation Products of Ruminococcus albus Grown in Continuous Culture with Vibrio succinogenes: Changes Caused by Interspecies Transfer of H2". Journal of Bacteriology 114 (3): 1231–1240. ISSN 0021-9193. PMC 285387. PMID 4351387.
  4. ↑ Thauer, Rudolf K.; Kaster, Anne-Kristin; Seedorf, Henning; Buckel, Wolfgang; Hedderich, Reiner. "Methanogenic archaea: ecologically relevant differences in energy conservation". Nature Reviews Microbiology 6 (8): 579–591. doi:10.1038/nrmicro1931.
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