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Advances in and challenges for thermophilic fermentation of cellulosic ethanol

Keywords: cellulosic ethanol,thermophiles,regulation mechanisms,genetic transfer systems,synthetic biology

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Thermophiles can produce cellulosic ethanol at a high temperature where ethanol is directly distillated from fermentation, and biodegradation of lignocellulose can be simultaneously achieved when these thermophiles carry and express cellulase and hemicellulase genes. The simultaneous biodegradation, fermentation and distillation, a three-in-one process, can result in low production costs of cellulosic ethanol. We reviewed the advances and challenges in the approach to the three-in-one process, which refer to lignocellulases, regulation mechanisms, and genetic transfer systems.


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