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  Making quantitative sense of electromicrobial production

Claassens, N. J., Cotton, C. A. R., Kopljar, D., & Bar-Even, A. (2019). Making quantitative sense of electromicrobial production. Nature Catalysis, 2(5), 437-447. doi:10.1038/s41929-019-0272-0.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0003-9F12-6 Version Permalink: http://hdl.handle.net/21.11116/0000-0004-4FC7-4
Genre: Journal Article

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 Creators:
Claassens, N. J.1, Author              
Cotton, C. A. R.1, Author              
Kopljar, Dennis2, Author
Bar-Even, A.1, Author              
Affiliations:
1Systems and Synthetic Metabolism, Max Planck Research Groups, Max Planck Institute of Molecular Plant Physiology, Max Planck Society, ou_2035297              
2external, ou_persistent22              

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 Abstract: The integration of electrochemical and microbial processes offers a unique opportunity to displace fossil carbon with CO2 and renewable energy as the primary feedstocks for carbon-based chemicals. Yet, it is unclear which strategy for CO2 activation and electron transfer to microbes has the capacity to transform the chemical industry. Here, we systematically survey experimental data for microbial growth on compounds that can be produced electrochemically, either directly or indirectly. We show that only a few strategies can support efficient electromicrobial production, where formate and methanol seem the best electron mediators in terms of energetic efficiency of feedstock bioconversion under both anaerobic and aerobic conditions. We further show that direct attachment of microbes to the cathode is highly constrained due to an inherent discrepancy between the rates of the electrochemical and biological processes. Our quantitative perspective provides a data-driven roadmap towards an economically and environmentally viable realization of electromicrobial production.

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Language(s): eng - English
 Dates: 2019
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: DOI: 10.1038/s41929-019-0272-0
Other: Claassens2019
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Title: Nature Catalysis
  Abbreviation : Nat. Catal.
Source Genre: Journal
 Creator(s):
Affiliations:
Publ. Info: Nature Publishing Group
Pages: - Volume / Issue: 2 (5) Sequence Number: - Start / End Page: 437 - 447 Identifier: ISSN: 25201158
CoNE: https://pure.mpg.de/cone/journals/resource/25201158