ArticlePloS one2015
Metabolic Characteristics of a Glucose-Utilizing Shewanella oneidensis Strain Grown under Electrode-Respiring Conditions.
Article in PloS one, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed, 45 citations in OpenAlex.
- The Role of Anode Potential in Electromicrobiology.Microorganisms · 2025Review
- Supplementation with Amino Acid Sources Facilitates Fermentative Growth of Shewanella oneidensis MR-1 in Defined Media.Applied and environmental microbiology · 2023Article
- Flux-Balance Analysis and Mobile CRISPRi-Guided Deletion of a Conditionally Essential Gene inACS synthetic biology · 2022Article
- Reconstruction of a Genome-Scale Metabolic Network forFrontiers in bioengineering and biotechnology · 2022Article
- Redirection of metabolic flux in Shewanella oneidensis MR-1 by CRISPRi and modular design for 5-aminolevulinic acid production.Bioresources and bioprocessing · 2021Article
- Towards Application of Electro-Fermentation for the Production of Value-Added Chemicals From Biomass Feedstocks.Frontiers in chemistry · 2021Review
- Microbial electro-fermentation for synthesis of chemicals and biofuels driven by bi-directional extracellular electron transfer.Synthetic and systems biotechnology · 2020Review
- Article
- Roles of d-Lactate Dehydrogenases in the Anaerobic Growth ofApplied and environmental microbiology · 2019Article
- Electrochemically active bacteria sense electrode potentials for regulating catabolic pathways.Nature communications · 2018Article
- Structures, Compositions, and Activities of Live Shewanella Biofilms Formed on Graphite Electrodes in Electrochemical Flow Cells.Applied and environmental microbiology · 2017Article
- CRP Regulates D-Lactate Oxidation inFrontiers in microbiology · 2017Article
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Authors and funding
6 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
In bioelectrochemical systems, the electrode potential is an important parameter affecting the electron flow between electrodes and microbes and microbial metabolic activities. Here, we investigated the metabolic characteristics of a glucose-utilizing strain of engineered Shewanella oneidensis under electrode-respiring conditions in electrochemical reactors for gaining insight into how metabolic pathways in electrochemically active bacteria are affected by the electrode potential. When an electrochemical reactor was operated with its working electrode poised at +0.4 V (vs. an Ag/AgCl reference electrode), the engineered S. oneidensis strain, carrying a plasmid encoding a sugar permease and glucose kinase of Escherichia coli, generated current by oxidizing glucose to acetate and produced D-lactate as an intermediate metabolite. However, D-lactate accumulation was not observed when the engineered strain was grown with a working electrode poised at 0 V. We also found that transcription of genes involved in pyruvate and D-lactate metabolisms was upregulated at a high electrode potential compared with their transcription at a low electrode potential. These results suggest that the carbon catabolic pathway of S. oneidensis can be modified by controlling the potential of a working electrode in an electrochemical bioreactor.
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