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相关概念视频

DNA Microarrays02:34

DNA Microarrays

Microarrays are high-throughput and relatively inexpensive assays that can be automated to analyze large quantities of data at a time. They are used in genome-wide studies to compare gene or protein expression under two varied conditions, such as healthy and diseased states. Microarrays consist of glass or silica slides on which probe molecules are covalently attached through surface functionalization. Most commonly, the slides are prepared through the chemisorption of silanes to silica...

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相关实验视频

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Multi-enzyme Screening Using a High-throughput Genetic Enzyme Screening System
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光遗传微波阵列选系统:用于基因编码光指示器的高通量工程平台.

Michael Rappleye1,2, Sarah J Wait2,3, Justin Daho Lee2,3

  • 1Department of Bioengineering, University of Washington, 850 Republican Street, Seattle, Washington 98105, United States.

ACS sensors
|November 13, 2023
PubMed
概括
此摘要是机器生成的。

研究人员开发了一个高通量平台,Opto-MASS,以快速设计基因编码光指标 (GEFI). 这个系统加速了敏感的多巴胺和阿片类药物传感器的发展,用于细胞监测.

关键词:
在GPCR中,GPCR是指GPCR.多巴胺是多巴胺的一种.光生物传感器是一种光生物传感器.高吞吐量选的高吞吐量选在阿片类药物阿片类药物.蛋白质工程工程 蛋白质工程

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科学领域:

  • 生物技术是生物技术.
  • 分子生物学分子生物学
  • 视觉遗传学 视觉遗传学

背景情况:

  • 遗传编码的光指标 (GEFI) 对于监测细胞生理学至关重要,但它们的工程是缓慢的.
  • 目前的方法涉及艰苦的试错突变发生和单个变异的体外测试.
  • 庞大的蛋白质突变格局阻碍了敏感和特定GEFI的发展.

研究的目的:

  • 开发一个高通量平台,用于快速设计GEFI.
  • 克服传统GEFI优化方法的局限性.
  • 为了加速发现具有更好的性能的新型GEFI变体.

主要方法:

  • 开发了光遗传微波阵列查系统 (Opto-MASS) 用于对哺乳动物细胞中的数千个GEFI变体进行并行查.
  • 应用了Opto-MASS来选超过13,000种多巴胺和21,000种阿片类药物传感器变体.
  • 使用多重化,高通量方法来功能测试GEFI变体.

主要成果:

  • 产生了一种新的多巴胺传感器 (dMASS^1),在对多巴胺的反应中增加了超过6倍的信号.
  • 开发了一种新的阿片类药物传感器 (μMASS ^ 1),该传感器对DAMGO的信号增加了4.6倍.
  • 证明了Opto-MASS能够比现有方法更快地选大型变体库的能力.

结论:

  • 奥普托-MASS能够快速设计新的GEFI.
  • 该平台显著缩短了具有独特生物物理性质的传感器的优化时间.
  • 这种高通量系统促进了光遗传工具的发展,用于细胞监测.