最近的进步是通过本地真菌和工程微生物生产酸
Rohit Khandelwal1,2, Preeti Srivastava1, Virendra Swarup Bisaria3
1Department of Biochemical Engineering and Biotechnology, Indian Institute of Technology Delhi, Hauz Khas, New Delhi, 110016, India.
World journal of microbiology & biotechnology
|June 3, 2023
概括
微生物发酵为化学酸生产提供了一个环保的替代方案. 这项研究探讨了像Aspergillus和Penicillium这样的真菌,以从可再生资源中可持续生产L-酸和多酸.
科学领域:
- 生物技术是生物技术.
- 工业微生物学 工业微生物学
- 生物化学工程 生物化学工程
背景情况:
- 由于二氧化碳排放和全球变暖,化学酸生产引发了对环境可持续性的担忧.
- 微生物发酵为酸生产提供了一个环保和经济高效的替代方案,产生纯L型.
- L-酸是一种有价值的平台化学物质,具有多种应用,推动了对生物技术生产方法的需求.
研究的目的:
- 评估本地真菌的潜力和局限性 (阿斯伯吉勒斯,Penicillium,乌斯蒂拉戈,Aureobasidium spp.) 对于高酸产量而言.
- 探索使用工业侧流和可再生基质,如原始甘油和基生物质,以竞争力生物基生产.
- 为应对在纤维素生物质和发酵过程中的有毒化合物所带来的挑战,并讨论补救策略.
主要方法:
- 微生物发酵利用氧化/还原TCA和glyoxylate路径.
- 研究高酸产生本地真菌菌株的研究.
- 评估工业侧流和可再生原料 (原油糖醇,纤维素生物质).
- 对有毒化合物阻碍和缓解策略的分析.
- 探索从可再生基质生产聚马酸的方法.
- 复合生物中酸生产的最新策略的审查.
主要成果:
- 确定有望用于酸生产的本地真菌物种.
- 展示利用低价值的可再生基板进行经济高效的生物工艺.
- 描述与有毒化合物相关的挑战和建议的解决方案.
- 突出聚马酸生产生物降解聚合物的潜力.
- 基于重组生物的生产进步的概述.
结论:
- 使用本地真菌和可再生基质的微生物生产L-酸为化学合成提供了一个可持续和有竞争力的替代方案.
- 解决有毒化合物抑制对于优化纤维素生物质利用至关重要.
- 聚马酸生产为可生物降解的聚合物提供了一个具有成本效益的途径.
- 重组生物的策略显示,有望提高酸产量和工艺效率.
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