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在高盐水中微生物脂质发酵Trichosporon cutaneum

Luhuan Sun¹, Shuai Shao¹, Jie Bao²

¹State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai, 200237, China.

Bioresources and bioprocessing

|April 23, 2024

概括

这项研究表明,油性酵母可以在盐度高的水中产生微生物脂质,减少淡水的使用. 在海水中,Trichosporon cutaneum实现了更高的脂质产量,甚至降解了.

科学领域:

生物技术是生物技术.
微生物学微生物学
环境科学环境科学

背景情况:

微生物脂质生产通常需要大量的淡水资源.
探索海水或工业废水等替代水源对于可持续发酵至关重要.
开发耐盐微生物是利用非淡水环境的关键.

研究的目的:

在高盐度条件下研究油性酵母的盐分耐受性和脂质生产能力.
为了评估使用海水与淡水相比,微生物脂质生产的效率.
为了评估脂质发酵过程中盐水废水中的的同时生物降解.

主要方法:

油性酵母的长期适应性进化Trichosporon cutaneum到高盐度.
在淡水和海水 (高达130g/L NaCl) 中使用T. cutaneum进行脂质发酵实验.
分析脂质生产产量和在盐水废水中的同时生物降解.

主要成果:

特里科斯波皮对高盐度 (高达130g/L NaCl) 的耐受性被证明是可以容忍的.
海水中的脂质产量 (31.7 g/L) 大约比淡水高36%.
在盐水废水中同时产生脂质 (23.6 g/L) 和完全生物降解.
酵母细胞在盐水表面表现出自发分离.

结论:

油性酵母,特别是Trichosporon cutaneum,可以在高盐度环境中适应高效的脂质生产.
使用盐水用于微生物脂质发酵提供了一个可持续的替代方案,减少淡水消耗,并使生物修复成为可能.
这些发现为工业规模的微生物脂质生产和废水处理提供了实际应用.

关键词:

三胞子皮三胞子皮细胞分离细胞分离微生物脂质是微生物的脂质.醇降解降解的过程盐水是一种盐水.

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