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Showing 1–7 of 7 results
Advanced filters: Author: Rudolf K. Thauer Clear advanced filters

  • Methanogenic archaea with and without cytochromes have been identified. This Review focuses on differences in energy conservation during the reduction of CO2 with H2 to CH4. In methanogens with cytochromes, the first and last steps are coupled chemiosmotically, and the authors propose that in methanogens without cytochromes, these steps are coupled by a cytoplasmic enzyme complex that mediates flavin-based electron bifurcation.

    • Rudolf K. Thauer
    • Anne-Kristin Kaster
    • Reiner Hedderich
    Reviews
    Nature Reviews Microbiology
    Volume: 6, P: 579-591

  • Large amounts of methane are oxidized to carbon dioxide in marine sediments by communities of specific archaea and bacteria. Indirect evidence indicates that the anaerobic oxidation of methane might proceed as the reverse of archaeal methane production from carbon dioxide, with methyl-coenzyme M reductase (MCR) as the methane-activating enzyme. Here it is found that purified MCR from Methanothermobacter marburgensis can convert methane into methyl-coenzyme M, supporting the 'reverse methanogenesis' theory.

    • Silvan Scheller
    • Meike Goenrich
    • Bernhard Jaun
    Research
    Nature
    Volume: 465, P: 606-608

  • Microorganisms can carry out a wonderful range of chemical transformations. The anaerobic oxidation of methane seemed not to be among them. But it is — both with sulphate, and now it turns out, with nitrate.

    • Rudolf K. Thauer
    • Seigo Shima
    News & Views
    Nature
    Volume: 440, P: 878-879

  • Scholich and colleagues highlight how an increased knowledge of the physiological functions of different mammalian adenylyl cyclases, combined with advances in the development of isoform-selective adenylyl cyclase modulators indicates that these enzymes could be useful drug targets.

    • Sandra Pierre
    • Thomas Eschenhagen
    • Klaus Scholich
    Reviews
    Nature Reviews Drug Discovery
    Volume: 8, P: 321-335