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首页> 外文期刊>Current opinion in biotechnology >Clostridia: the importance of their exceptional substrate and metabolite diversity for biofuel and biorefinery applications. (Special Issue: Energy biotechnology - Environmental biotechnology.)
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Clostridia: the importance of their exceptional substrate and metabolite diversity for biofuel and biorefinery applications. (Special Issue: Energy biotechnology - Environmental biotechnology.)

机译:梭菌:其优异的底物和代谢产物多样性对于生物燃料和生物炼制应用的重要性。 (特刊:能源生物技术-环境生物技术。)

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摘要

Clostridia are anaerobic Firmicutes producing a large array of metabolites by utilizing simple and complex carbohydrates, such as cellulose, as well as CO2/H2 or CO. Their exceptional substrate diversity is enhanced by their ability to produce a broad spectrum of chemicals that can be used as precursors to or directly as biofuels and industrial chemicals. Genetic and genomic tools are under intense development, and recent efforts to metabolically engineer clostridia demonstrate their potential for biofuel and biorefinery applications. Pathway engineering to combine established substrate-utilization programs, such as for cellulose, CO2/H2 or CO, with desirable metabolic programs could lead to modular design of strains suitable for many applications. Engineering complex phenotypes - aerotolerance, abolished sporulation, and tolerance to toxic chemicals - could lead to superior bioprocessing strains.
机译:梭状芽胞杆菌是厌氧菌,通过利用简单和复杂的碳水化合物(例如纤维素)以及CO 2 / H 2 或CO来产生大量代谢产物。它们产生广泛的化学物质的能力得到了增强,这些化学物质可以用作生物燃料和工业化学品的前体或直接用作生物燃料和工业化学品。遗传和基因组工具正在大力发展中,最近通过代谢工程改造梭状芽胞杆菌的努力证明了它们在生物燃料和生物精炼应用中的潜力。将已建立的底物利用程序(例如纤维素,CO 2 / H 2 或CO)与理想的代谢程序结合起来的途径工程,可能会导致适合于菌株的模块化设计许多应用。工程化复杂的表型-耐空气性,消除的孢子形成以及对有毒化学物质的耐受性-可能会导致产生出众的生物加工菌株。

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