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战略性碳源选择提高了Euglena gracilis混合营养种植中的生物质和帕拉米隆产量

Xue Xiao¹, Rui He¹, Xinyue Guo¹

¹School of Food Science and Engineering, Yangzhou University, Yangzhou 225127, China.

|October 29, 2025

概括

不同的碳来源增强了Euglena gracilis的生长和paramylon的生产. 乙醇和葡萄糖促进生物质的积累和储存,为可持续的生物加工提供了潜力.

科学领域:

微生物学微生物学
生物技术是生物技术.
代谢工程是代谢工程.

背景情况:

优格莱尼 (Euglena gracilis) 具有混合性新陈代谢,使其能够利用光和有机碳来源.
这种代谢灵活性为生物技术应用和可持续生产带来了巨大的潜力.

研究的目的:

研究不同碳来源 (葡萄糖,酸盐,乙醇,乙醇) 对Euglena gracilis生长,光合作用和paramylon积累的影响.
阐明由特定的碳来源驱动的代谢分区,以优化生物过程.

主要方法:

在光自营养条件下种植Euglena gracilis,并补充各种碳来源.
测量生物质,叶绿素含量,胡卜素含量和帕拉米隆产量.
评估光合作用效率 (Fv/Fm) 和生理反应 (例如细胞形态,pH).

主要成果:

所有测试的碳来源都增加了相对于光自变的对照组相比,帕拉米隆的产量.
乙醇和葡萄糖显著增强了生物质积累和帕拉米隆含量,乙醇还增加了乙基和葡萄糖增加了胡卜素水平.
酸诱导性压力和细胞形状变化,而乙醇减少了生物质,但提高了光合作用效率.

结论:

碳来源的选择对Euglena gracilis的代谢输出产生了关键的影响,影响了生长,色素生产和paramylon合成.
乙醇和葡萄糖对生物质和帕拉米隆生产非常有效,具有不同的副产品配置 (叶绿素b与胡卜素).
针对性地使用碳来源可以优化Euglena gracilis作为各种高价值化合物的可持续细胞工厂.

关键词:

优格伦娜·格拉西利斯 (Euglena gracilis) 是一个细胞形态细胞形态有机碳来源有机碳来源光合成色素合成的光合成色素合成这是一种β-1,3-葡萄糖.

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