在Trichoderma longibrachiatum的金纳米粒子介导的代谢工程MD33揭示了一种混合类-类途径,用于增强树突蛋白生物合成
Surendra Sarsaiya1,2, Archana Jain3, Jishuang Chen4
1Key Laboratory of Basic Pharmacology and Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi, 563003, China. sarsaiya.s@gmail.com.
Microbial cell factories
|January 22, 2026
概括
黄金纳米粒子 (CH-AuNPs) 通过优化混合 terpenoid-alkaloid 途径,在真菌中增加了 63.7% 的树突蛋白生产. 这种纳米技术方法建立了一个可持续的真菌平台,用于树突蛋白合成.
科学领域:
- 生物技术是生物技术.
- 纳米技术纳米技术
- 菌类学 菌类学是指菌类学.
背景情况:
- 丹德罗宾是一种有价值的类化合物,由于依赖临灭绝的兰花,因此面临生产挑战.
- 植物内菌提供了一个可持续的替代品,但低产量和未知的生物合成途径限制了可扩展性.
- 纳米粒子介导工程是提高真菌代谢物生产的尚未探索的途径.
研究的目的:
- 使用功能化黄金纳米粒子 (CH-AuNPs) 在Trichoderma longibrachiatum MD33中优化树突蛋白生产.
- 阐明树突蛋白的生物合成途径,以实现有针对性的代谢工程.
- 研究纳米技术在增强真菌类生物合成中的作用.
主要方法:
- 化学合成的CH-AuNP与类前体 (L-phenylalanine,L-tyrosine,tyramine) 功能化. 这种化学合成的CH-AuNP与类前体 (L-phenylalanine,L-tyrosine,tyramine) 功能化.
- 在度范围 (0.5-20.0 mg/L) 的T. longibrachiatum MD33培养物中应用CH-AuNPs.
- 利用多组学分析 (转录组学,蛋白组学,代谢组学) 来识别通路酶并评估代谢变化.
主要成果:
- 在CH-AuNP度为10.0 mg/L,平衡通路激活和氧化应激时,树突蛋白的最佳产量增加了63.7%.
- 揭示了一种混合的 terpenoid-alkaloid 途径,涉及 mevalonate 和 ornithine 衍生的部分,由 TPS, CYP71D1 和 COMT 酶调节.
- 证明CH-AuNPs诱导的受控氧化应激增强了前体流和酶活性,上调了树突蛋白生物合成.
结论:
- CH-AuNP 作为精密工具,可在 T. longibrachiatum MD33 中调节树突蛋白生物合成,建立一个可持续的生产平台.
- 纳米粒子介导工程在代谢增强和受控的压力诱导方面发挥了双重作用.
- 纳米技术和多组学的整合推动了真菌生物技术的发展,以实现可扩展和环保的类化合物合成.
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