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Enhancing Microbial Electron Transfer through Synthetic Biology and Biohybrid Approaches: Part I: Bioelectrochemistry for sustainable energy conversion

Myers, Benjamin; Hill, Phil; Rawson, Frankie; Kovacs, Katalin

Enhancing Microbial Electron Transfer through Synthetic Biology and Biohybrid Approaches: Part I: Bioelectrochemistry for sustainable energy conversion Thumbnail


Authors

Benjamin Myers

PHIL HILL phil.hill@nottingham.ac.uk
Associate Professor



Abstract

Traditional microbial synthesis of chemicals and fuels often rely on energy-rich feedstocks such as glucose, raising ethical concerns as they are directly competing with the food supply. Therefore, it is imperative to develop novel processes that rely on cheap, sustainable and abundant resources whilst providing carbon circularity. Microbial electrochemical technologies (MET) offer unique opportunities to facilitate the conversion of chemicals to electrical energy or vice versa, by harnessing the metabolic processes of bacteria to valorise a range of waste products, including greenhouse gases (GHGs). However, the strict growth and nutrient requirements of industrially relevant bacteria, combined with low efficiencies of native extracellular electron transfer (EET) mechanisms, reduce the potential for industrial scalability. In this two-part work, we review the most significant advancements in techniques aimed at improving and modulating the efficiency of microbial EET, giving an objective and balanced view of current controversies surrounding the physiology of microbial electron transfer, alongside the methods used to wire microbial redox centres with the electrodes of bioelectrochemical systems via conductive nanomaterials.

Citation

Myers, B., Hill, P., Rawson, F., & Kovacs, K. (2022). Enhancing Microbial Electron Transfer through Synthetic Biology and Biohybrid Approaches: Part I: Bioelectrochemistry for sustainable energy conversion. Johnson Matthey Technology Review, 66(4), 443-454. https://doi.org/10.1595/205651322X16548607638938

Journal Article Type Article
Acceptance Date Jun 10, 2022
Online Publication Date Oct 3, 2022
Publication Date Oct 3, 2022
Deposit Date Jul 11, 2022
Publicly Available Date Jul 12, 2022
Journal Johnson Matthey Technology Review
Electronic ISSN 2056-5135
Peer Reviewed Peer Reviewed
Volume 66
Issue 4
Pages 443-454
DOI https://doi.org/10.1595/205651322X16548607638938
Keywords Electrochemistry, Metals and Alloys, Process Chemistry and Technology
Public URL https://nottingham-repository.worktribe.com/output/8947760
Publisher URL https://www.ingentaconnect.com/content/matthey/jmtr/2022/00000066/00000004/art00008
Additional Information This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

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