一个光传递器系统用于无氧热爱动物
Rémi Hocq1,2, Sara Bottone3,4, Arnaud Gautier3,4
1Institute of Chemical, Environmental and Bioscience Engineering, Technische Universität Wien, Vienna, Austria.
Frontiers in bioengineering and biotechnology
|July 21, 2023
概括
我们成功地在无氧细菌Thermoanaerobacter kivui.vui中成功地实施了无氧独立的FAST光记者系统. 该系统可可视化生物过程和基因表达在这个工业相关的热爱者.
科学领域:
- 生物技术是生物技术.
- 微生物学 微生物学
- 分子生物学分子生物学
背景情况:
- 光记者系统对于可视化生物技术中的生物过程至关重要.
- 像GFP这样的经典系统需要氧气,限制了它们在无氧生物中的使用.
- Thermoanaerobacter kivui是一种具有工业意义的热友性无氧生物,具有有限的遗传工具.
研究的目的:
- 在Thermoanaerobacter kivui.中率先使用氧气独立的FAST (光激活和吸收转移标签) 记者系统.
- 建立一个模块化克隆系统,用于T. kivui. 的FAST表达盒.
- 通过使用FAST来表征促进体并研究T. kivui中的基因表达.
主要方法:
- 开发一个模块化克隆系统,使用E. coli-Thermoanaerobacter穿等离子体.
- 在体内评估T. kivui在不同温度下FAST介导的光.
- 流细胞计用于光的单细胞分析.
- 适应性实验室进化以在最佳生长温度下改善光.
- 整个等离子体的测序.
主要成果:
- 在55°C的T. kivui中观察到明亮的绿色和红色光.
- FAST系统成功地用于量化基因表达和表征促进体.
- 在66°C的低光度归因于质粒的不稳定性.
- 适应性实验室进化显著增强了66°C的光.
- 进化的菌株显示截断的等离子体,但与增强光的联系尚不清楚.
结论:
- FAST光记者系统适用于Thermoanaerobacter kivui,扩大了其遗传工具箱.
- 这项工作使得光记者在热友性无气生物中的新应用成为可能.
- 需要进一步的研究来了解进化菌株中的等离子体修饰.
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