Deconstructing Methanosarcina acetivorans into an acetogenic archaeon
2022 | journal article. A publication with affiliation to the University of Göttingen.
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Deconstructing Methanosarcina acetivorans into an acetogenic archaeon
Schöne, C.; Poehlein, A.; Jehmlich, N.; Adlung, N.; Daniel, R.; von Bergen, M. & Scheller, S. et al. (2022)
Proceedings of the National Academy of Sciences, 119(2). DOI: https://doi.org/10.1073/pnas.2113853119
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- Authors
- Schöne, Christian; Poehlein, Anja; Jehmlich, Nico; Adlung, Norman; Daniel, Rolf; von Bergen, Martin; Scheller, Silvan; Rother, Michael
- Abstract
- Significance The reductive acetyl-coenzyme A (acetyl-CoA) pathway is the only carbon fixation pathway that can also be used for energy conservation like it is known for acetogenic bacteria. In methanogenic archaea, this pathway is extended with one route toward acetyl-CoA formation for anabolism and another route toward methane formation for catabolism. Which of these traits is ancestral in evolution has not been resolved. By diverging virtually all substrate carbon from methanogenesis to flow through acetyl-CoA, Methanosarcina acetivorans can be converted to an acetogenic organism. Being able to deconstruct methanogenic into the seemingly simpler acetogenic energy metabolism provides compelling evidence that methanogens are not nearly as metabolically limited as previously thought and suggests that methanogenesis might have evolved from the acetyl-CoA pathway.
- Issue Date
- 2022
- Journal
- Proceedings of the National Academy of Sciences
- ISSN
- 0027-8424
- eISSN
- 1091-6490
- Language
- English