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使用微蒂特萝卜无线电标签进行多维欧大肠杆菌测量 (p) ppGpp,然后是薄层色谱
JoVE Journal
Biology
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JoVE Journal Biology
Using Microtiter Dish Radiolabeling for Multiple In Vivo Measurements Of Escherichia coli (p)ppGpp Followed by Thin Layer Chromatography
DOI:

06:30 min

June 04, 2019

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Chapters

  • 00:04Title
  • 00:47Labeling with 32P
  • 02:11Induction of Stress or Starvation and Sample and ppGpp Extraction
  • 02:54Thin-layer Chromatography and Quantitation of (p)ppGpp
  • 04:13Measurement of the Rate of ppGpp Decay
  • 04:46Results: In Vivo Measurements of Escherichia coli
  • 05:51Conclusion

Summary

Automatic Translation

微酸度皿中放射性标记细菌培养物的生长有助于高通量采样,从而允许对核苷酸池丰度进行多种技术和生物复制检测,包括 (p) ppGpp。可以监测生理压力来源引起的生长转变以及压力恢复的影响。

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