PMID: 2106511Mar 1, 1990Paper

Regulation of formate dehydrogenase activity in Methanococcus thermolithotrophicus

Journal of Bacteriology
R Sparling, L Daniels

Abstract

Methanococcus thermolithotrophicus can use either H2 or formate as the electron donor for methanogenesis from CO2. Resuspended-cell experiments revealed that the ability to use H2 as the source of electrons for methanogenesis was constitutive; cells grown on formate or H2-CO2 were equally capable of H2-CO2 methanogenesis. The ability to metabolize formate at high rates was observed only in cells previously grown on formate. Two such strains were distinguished: strain F and strain HF. Strain F was repeatedly grown exclusively on formate for over 3 years; this strain showed a constitutive capacity to metabolize formate to methane, even after subsequent repeated transfers to medium containing only H2-CO2. Strain HF could only metabolize formate to methane when grown in the presence of formate with no H2 present; this strain was recently derived from another strain (H) that had been exclusively grown on H2-CO2 and which upon initial transfer to formate medium could only metabolize formate to methane at a very slow rate. Initial adaptation of strain H to growth on formate was preceded by a long lag. The specific activities of hydrogenase and formate dehydrogenase in cell extracts derived from these different strains confirmed these ...Continue Reading

References

Oct 1, 1977·Applied and Environmental Microbiology·J G Ferry, R S Wolfe
Feb 1, 1976·Archives of Microbiology·J G Ferry, R S Wolfe
Nov 1, 1986·Applied and Environmental Microbiology·N BelayL Daniels
May 1, 1986·Journal of Bacteriology·H D MayJ G Ferry
May 1, 1970·Journal of Bacteriology·R E HungateJ C Rabinowitz
Aug 15, 1984·Analytical Biochemistry·L Daniels, D Wessels
Jun 1, 1980·Journal of Bacteriology·N L Schauer, J G Ferry
Apr 1, 1982·Journal of Bacteriology·N L Schauer, J G Ferry

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Citations

Oct 1, 1994·FEMS Microbiology Reviews·R I Eggen
Sep 1, 1996·Environmental Monitoring and Assessment·J T Keltjens, G D Vogels
Jan 17, 2019·Journal of Animal Science·Pedro Antonio Ochoa-GarcíaAgustín Corral-Luna
Jan 1, 1994·Antonie van Leeuwenhoek·M Blaut
May 2, 2009·International Journal of Systematic and Evolutionary Microbiology·Hinsby Cadillo-QuirozStephen H Zinder

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