通过使用砂糖和农业副产品的工程化S. cerevisiae可持续的β-胡卜素生产
Suriyaporn Bubphasawan1, Kitisak Sansatchanon2, Peerada Promdonkoy2
1Industrial Bioprocess Innovation Group, The Eastern Economic Corridor of Innovation, National Science and Technology Development Agency (NSTDA), 333 EECi Headquarters Wang Chan, Rayong, 21210, Thailand.
Bioresources and bioprocessing
|September 13, 2025
概括
这项研究利用糖和农业副产品设计了酵母,用于可持续的β-胡卜素生产. 这种具有成本效益的方法实现了高贝塔胡卜素产量,降低了生产成本和环境影响.
科学领域:
- 生物技术是生物技术.
- 代谢工程是代谢工程.
- 工业微生物学 工业微生物学
背景情况:
- 贝塔胡卜素是维生素A的重要前体,在食品,药品和营养保健品中广泛应用.
- 目前的生产方法通常依赖于昂贵的原料和诱导工艺,限制了经济可行性和可持续性.
研究的目的:
- 开发一种经济可持续和环保的战略,用于Saccharomyces cerevisiae中的β-胡卜素生物合成.
- 设计能够利用替代碳和来源的酵母菌株,包括农业副产品.
主要方法:
- 通过删除 GAL80 基因来改造糖,从而使糖直接合成β-胡卜素.
- 使用农业副产品的料批发发酵,如糖蜜 (碳来源) 和鱼粉 (来源).
- 使用已确定的分析方法量化β-胡卜素标位和含量水平.
主要成果:
- 使用工艺酵母对糖的方法,获得的β-胡卜素标位高达23.30 ± 4.22 mg/L,含量为2.29 ± 0.16 mg/g干细胞重量 (DCW).
- 通过糖蜜和鱼粉证明了大量的生产,达到17.02 ± 0.40 mg/L的标位和2.90 ± 0.21 mg/g的DCW含量.
- 与传统媒体相比,媒体成本降低了高达73%,显示出显著的经济效益.
结论:
- 通过使用工程酵母和农业副产品,成功开发了一个具有成本效益和可持续的β-胡卜素生产平台.
- GAL80的删除策略有效地绕过了昂贵的银河糖诱导,提高了经济可行性.
- 这种方法为工业规模生产β-胡卜素和其他高价值化合物提供了有希望的途径,解决了可持续性挑战.
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