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产生空突变体以阐明细菌糖基转移酶在细菌运动中的作用
JoVE Journal
Immunologia e infezioni
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JoVE Journal Immunologia e infezioni
Generation of Null Mutants to Elucidate the Role of Bacterial Glycosyltransferases in Bacterial Motility
DOI:

12:29 min

March 11, 2022

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Capitoli

  • 00:04Introduction
  • 01:01Construction of pDM4 Recombinant Plasmid with PCR In-Frame Deletion Products
  • 03:10Preparation of Electrocompetent E. coli and Electroporation of pDM4 Recombinant Plasmid
  • 04:52Transfer of In-Frame Deletion to the Aeromonas Strain
  • 07:44Motility Assays in Liquid and Semi-Solid Media
  • 08:34Isolation and Purification of Flagella
  • 10:23Results: Confirmation of Null Mutants and Phenotypic Analysis of Polar Flagella
  • 11:47Conclusion

Summary

Traduzione automatica

在这里,我们描述了在特定的糖基转移酶或含有糖基转移酶的区域中 构建气单胞菌 的零突变体,进行运动性测定和鞭毛纯化以确定其编码酶在聚糖生物合成中的参与和功能,以及该聚糖在细菌发病机制中的作用。

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