评估油性酵母,以提高微生物脂质生产,使用淡水作为可持续原料
Valériane Malika Keita1,2, Yi Qing Lee3, Meiyappan Lakshmanan2,4
1Department of Chemical & Biological Engineering, University of Sheffield, Sir Robert Hadfield Building, Mappin Street, Sheffield, S1 3JD, UK.
Microbial cell factories
|February 24, 2024
概括
这项研究强调淡水是酵母脂质生产的经济有效原料. Rhodosporidium toruloides NRRL Y-6987显示了微生物油生产的重大潜力,并确定了菌株工程的目标.
科学领域:
- 微生物学 微生物学
- 生物技术是生物技术.
- 工业发酵 工业发酵是什么
背景情况:
- 酵母在将原始甘油转化为脂质等附加值产品方面具有多样性.
- 甜水是一种没有甲醇的副产品,是微生物甘油利用的有希望的替代原料.
- 优化淡水利用需要了解各种条件下的酵母生长和脂质生产.
研究的目的:
- 用甜水比较21种油性酵母菌株的生长和脂质生产.
- 为了研究糖醇度,淡水类型和pH对酵母性能的影响.
- 为了确定最佳的条件和菌株,增强微生物脂质积累.
主要方法:
- 对21种油性酵母菌株的比较分析.
- 在不同的甘油度,淡水类型和pH值下种植.
- 对选定酵母菌株 (Rhodosporidium toruloides NRRL Y-6987) 的转录基因分析.
主要成果:
- 营养物质的限制和淡水独特的碳成分显著提高了几个酵母菌株的脂质积累.
- Rhodosporidium toruloides NRRL Y-6987表现出优越的脂质生产能力. 这是一个很好的例子.
- 转录组数据表明,糖,寡和外源性脂肪酸的摄取有助于增加脂质的积累.
结论:
- 淡水是微生物脂质生产的经济有效的原料.
- Rhodosporidium toruloides NRRL Y-6987是一种非常有前途的菌株,用于微生物油生产.
- 已识别的淡水类型和菌株工程目标可以进一步提高微生物脂质产量.
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