微生物电化学系统固氮研究进展与展望

IF 4.5 2区 化学 Q1 BIOCHEMISTRY & MOLECULAR BIOLOGY
Axel Rous , James A. Behan , Elie Desmond-Le Quéméner , Nicolas Bernet , Eric Trably , Frédéric Gloaguen , Frédéric Barrière
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引用次数: 0

摘要

本文综述了微生物电化学系统(BES)中二氮固定的最新进展,细菌直接或间接地向电极释放或接受电子以进行呼吸代谢。我们讨论了BES如何可能成为从氮气固定中生产铵或生物质的有趣平台。本文首先讨论了BES中固氮的潜力,重点讨论了可能导致固氮增加的代谢和不同机制。然后,我们回顾了最近的例子,其中二氮固定在BES的阴极上,通过纯培养的氢营养型和/或重氮营养型细菌,使用阴极H2或还原氧化还原介质作为电子,或通过混合富集菌群。然后一节专门讨论在阳极微生物电极上固氮的特殊情况,其中有机物氧化也发生。最后,将目前报道的BES固氮性能与其他生物(厌氧消化)或非生物(Haber-Bosch工艺,电化学N2还原)进行了比较,并对这一新兴的微生物电化学和技术过程的可能优化和应用进行了展望。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Recent advances and perspectives on N2 fixation by microbial bioelectrochemical systems
This review covers recent advances in the fixing of dinitrogen in microbial bioelectrochemical systems (BES) where bacteria release or accept electron to/from electrodes for their respiratory metabolism, either directly or indirectly. We discuss how BES may be interesting platforms for producing ammonium or biomass from N2 fixation. The potential for N2-fixation in BES is first discussed with a focus on possible metabolism and different mechanism that may lead to an increase of fixed dinitrogen. We then review recent examples where dinitrogen is fixed at the cathodes of BES, either by pure cultures of hydrogenotrophic and/or diazotrophic bacteria using cathodic H2 or reduced redox mediators as the electron, or by mixed enriched consortia. A section is then devoted to the special case of nitrogen fixation at anodic microbial electrode where organic matter oxidation also occurs. Finally, a comparison of the reported current performance of nitrogen fixation in BES with other biotic (anerobic digestion) or abiotic (Haber-Bosch process, electrochemical N2 reduction) is provided together with a perspective on possible optimization and application of this emerging microbial electrochemical and technological process.
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来源期刊
Bioelectrochemistry
Bioelectrochemistry 生物-电化学
CiteScore
9.10
自引率
6.00%
发文量
238
审稿时长
38 days
期刊介绍: An International Journal Devoted to Electrochemical Aspects of Biology and Biological Aspects of Electrochemistry Bioelectrochemistry is an international journal devoted to electrochemical principles in biology and biological aspects of electrochemistry. It publishes experimental and theoretical papers dealing with the electrochemical aspects of: • Electrified interfaces (electric double layers, adsorption, electron transfer, protein electrochemistry, basic principles of biosensors, biosensor interfaces and bio-nanosensor design and construction. • Electric and magnetic field effects (field-dependent processes, field interactions with molecules, intramolecular field effects, sensory systems for electric and magnetic fields, molecular and cellular mechanisms) • Bioenergetics and signal transduction (energy conversion, photosynthetic and visual membranes) • Biomembranes and model membranes (thermodynamics and mechanics, membrane transport, electroporation, fusion and insertion) • Electrochemical applications in medicine and biotechnology (drug delivery and gene transfer to cells and tissues, iontophoresis, skin electroporation, injury and repair). • Organization and use of arrays in-vitro and in-vivo, including as part of feedback control. • Electrochemical interrogation of biofilms as generated by microorganisms and tissue reaction associated with medical implants.
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