ArticleBiotechnology for biofuels2016
Redox dependent metabolic shift in
Article in Biotechnology for biofuels, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.
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Who cites it
18 citing papers in PubMed.
- Synergies revealed: RNA-seq study ofMicrobiology spectrum · 2026Article
- Higher butanol titer and selectivity in electro-fermentation experiments with Clostridium acetobutylicum ATCC 824 are due mainly to methyl viologen rather than electrode polarization.Bioprocess and biosystems engineering · 2025Article
- Microbial community analysis of the biofilms of both working and counter electrodes in single-chamber microbial electrolysis cells.Enzyme and microbial technology · 2025Article
- Electro-Enhanced Gas Fermentation for Bioproduction of Volatile Fatty Acids and Alcohols.Microorganisms · 2025Article
- Low electric current in a bioelectrochemical system facilitates ethanol production from CO using CO-enriched mixed culture.Frontiers in microbiology · 2024Article
- Engineered acetogenic bacteria as microbial cell factory for diversified biochemicals.Frontiers in bioengineering and biotechnology · 2024Review
- Unexpected metabolic rewiring of COProceedings of the National Academy of Sciences of the United States of America · 2023Article
- Inorganic Carbon Assimilation and Electrosynthesis of Platform Chemicals in Bioelectrochemical Systems (BESs) Inoculated withMicroorganisms · 2023Article
- Extracellular electron uptake from a cathode by the lactic acid bacteriumFrontiers in microbiology · 2023Article
- Electron transfer in Gram-positive bacteria: enhancement strategies for bioelectrochemical applications.World journal of microbiology & biotechnology · 2022Review
- Engineering Acetogenic Bacteria for Efficient One-Carbon Utilization.Frontiers in microbiology · 2022Review
- Acetogenic bacteria utilize light-driven electrons as an energy source for autotrophic growth.Proceedings of the National Academy of Sciences of the United States of America · 2021Article
- Electronic control of redox reactions inside Escherichia coli using a genetic module.PloS one · 2021Article
- Cytochrome c Reductase is a Key Enzyme Involved in the Extracellular Electron Transfer Pathway towards Transition Metal Complexes in Pseudomonas Putida.ChemSusChem · 2020Article
- Electroactivity across the cell wall of Gram-positive bacteria.Computational and structural biotechnology journal · 2020Review
- Biophotovoltaics: Green Power Generation From Sunlight and Water.Frontiers in microbiology · 2019Review
- Electro-fermentation triggering population selection in mixed-culture glycerol fermentation.Microbial biotechnology · 2018Article
- Revealing extracellular electron transfer mediated parasitism: energetic considerations.Scientific reports · 2017Article
Corrections and comments
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Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundMicrobial electrosynthesis is a novel approach that aims at shifting the cellular metabolism towards electron-dense target products by extracellular electron supply. Many organisms including several acetogenic bacteria have been shown to be able to consume electrical current. However, suitable hosts for relevant industrial processes are yet to be discovered, and major knowledge gaps about the underlying fundamental processes still remain.
resultsIn this paper, we present the first report of electron uptake by the Gram-positive, ethanol-producing acetogen,
conclusionsProduction in acetogenic organisms is usually challenged by cellular energy limitations if the target product does not lead to a net energy gain as in the case of acetate. The presented results demonstrate a significant shift of carbon fluxes away from acetate towards the products, lactate and 2,3-butanediol, induced by small electricity input (~0.09 mol of electrons per mol of substrate). This presents a simple and attractive method to optimize acetogenic fermentations for production of chemicals and fuels using electrochemical techniques. The relationship between metabolic shift and redox potential of electron feed gives an indication of possible electron-transfer mechanisms and helps to prioritize further research efforts.
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