分析影响微生物氨酸生产过程和因素
Yimin Fan1, Xiaojun Niu2,3, Dongqing Zhang4
1School of Civil Engineering and Architecture, Taizhou University, Taizhou, 318000, People's Republic of China.
概括
减少酸盐的细菌Pseudescherichia sp. 这种细菌 SFM4从合成的有机中产生素. 提高和的供应增加了的产量,表明微生物聚合物是这个生物化学过程的关键.
科学领域:
- 微生物学 微生物学
- 生物化学 生化学
- 环境科学 环境科学
背景情况:
- 酸盐降解细菌,特别是 Pseudescherichia sp. 的酸盐 (PH3) 生产. SFM4是一种已知的生化过程.
- 这个过程与功能性细菌中的酸盐合成阶段有关.
- 了解影响素产量的因素对于优化其生产至关重要.
研究的目的:
- 研究一种方法来增强Pseudescherichia sp.的氨酸产量. 在SFM4中.
- 阐明微生物聚合和环境条件在氨酸生物合成中的作用.
- 为了确定特定的来源和参与生成的代谢途径.
主要方法:
- 培养Pseudescherichia sp. 这种植物. 在不同的条件下使用SFM4,包括速率和供应.
- 从微生物聚合物中分析细胞外聚合物物质 (EPS) 的组成.
- 研究代谢基因并确定首选的来源.
- 使用[H]作为生物化学途径中的电子捐赠者.
主要成果:
- 动聚合细菌质量增加了40%的氨酸产量.
- 供应纯能增加了44%的氨酸产量.
- 特别是当细菌细胞聚集时,观察到的产生,这在含的EPS.有助于.
- 合成有机,特别是具有碳键的化合物,被确定为主要来源.
结论:
- 微生物聚合和富含的EPS的存在对于Pseudescherichia sp.的素生产至关重要. 在SFM4中.
- 优化和的可用性大大提高了氨酸的产量.
- 细菌利用特定的合成有机化合物作为基质,[H]在氨酸生物合成中充当电子捐赠者.
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