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Microbial electrocatalysis: Redox mediators responsible for extracellular electron transfer
Biotechnology Advances, 2018Redox mediator plays an important role in extracellular electron transfer (EET) in many environments wherein microbial electrocatalysis occurs actively. Because of the block of cell envelope and the low difference of redox potential between the intracellular and extracellular surroundings, the proceeding of EET depends mainly on the help of a variety ...
Xiaobo Liu, Ji-Dong Gu
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Bacterial extracellular electron transfer in bioelectrochemical systems
Process Biochemistry, 2012Abstract Bioelectrochemical systems (BES), typically microbial fuel cells (MFCs), have attracted increasing attention in the past decade due to their promising applications in many fields, such as bioremediation, energy generation and biosynthesis. Current-generating microorganisms play a key role in BES.
Yonggang Yang +3 more
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Bacterial Vesicles Mediate Extracellular Electron Transfer
Environmental Science & Technology Letters, 2019Many Gram-negative bacteria are known to release outer membrane vesicles (OMVs) into the surrounding environment during normal growth; OMVs perform diverse biological and environmental functions (e...
Xing Liu +5 more
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Extracellular Electron Transfer in Methanogenic Archaea
2019Three decades ago, respiration with a solid electron donor or acceptor would have made great science fiction. Now we know that “electroactive” microorganisms perform this on a daily basis in various anaerobic habitats. These electroactive microorganisms are classified by their ability to utilize solid electron donors or acceptors outside of the cell in
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Extracellular Electron Transfer of a Highly Adhesive and Metabolically Versatile Bacterium
ChemPhysChem, 2013Bacterial adhesion to a solid plays a predominant role in mediating the extracellular electron transfer for genus Acinetobactor, a metabolically versatile bacterium that can couple toluene degradation and electricity generation.
Huan, Liu +6 more
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Extracellular Electron Transfer in Bioelectrochemically Active Microorganisms
2020Bioelectrochemical systems, such as microbial fuel cells and microbial electrosynthesis, are promising technology for energy generation and organic compound production. In the bioelectrochemical systems, extracellular electron transfer is essential in which c-type cytochrome, electrically conductive nanowires, and electron shuttles play key roles. This
Takashi Fujikawa, Kengo Inoue
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Extracellular electron transfer systems fuel cellulose oxidative degradation
Science, 2016The fuel for fungal enzymes Many microorganisms have specialized enzymes to target and break down plant biomass. In fungi, these enzymes, called lytic polysaccharide monooxygenases (LPMOs), partner with electron transfer partners to oxidatively cleave the polysaccharide backbone of lignocellulosic polymers. Kracher et
D. Kracher +8 more
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MICROBIAL ECOLOGY OF EXTRACELLULAR ELECTRON TRANSFER [PDF]
, 2010 Bioelectrochemical Systems (BESs) use bacteria as catalysts for oxidation and/or reduction reactions at electrodes. The best known example of this phenomenon is the microbial fuel cell (MFC) where bacteria aid in the production of net power (e.g. wastewater systems).
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Role of extracellular electron transfer in the nitrogen cycle
Open Access GovernmentRole of extracellular electron transfer in the nitrogen cycle Extracellular electron transfer impacts the nitrogen cycle by enhancing microbial processes and connecting to other biogeochemical cycles. Understanding EET mechanisms provides insights into ecosystem functioning and potential advancements; Arpita Bose and Zhecheng (Robert ...
Arpita Bose, Zhecheng Zhang
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