摘要
由木糖脱水生成的糠醛会严重抑制微生物的生长与后续发酵过程。高温液态水和稀酸处理等是去除生物质中半纤维素较好的方法,却不可避免地会导致大量糠醛产生。本文简述糠醛的产生和降解途径及糠醛对微生物危害的研究进展,对糠醛耐受过程中涉及到的细胞形态分析与氧化胁迫、蛋白响应、基因响应和氧化还原平衡等进行了概述。
Furfural from xylose dehydration inhibits the microbial cell growth and subsequent fermentation. High temperature liquid water and dilute sulfuric acid are excellent ways to remove semi-cellulose from biomass, while furfural would be inevitably produced. In this paper, the studies on the microbial furfural-resistance mechanism were summarized. The production/degradation pathway of furfural and its negative impact on microorganism were described. The protein response, gene response and redox balance involved in the furfural degradation process were analyzed and the effects of furfural on the cellular morphology and oxidative stress were studied.
引文
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