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細菌病原体脂肪酸を膜リン脂質に取り込む研究のための鶏卵黄からのリポタンパク質粒子の単離
JoVE Journal
Bioquímica
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JoVE Journal Bioquímica
Isolation of Lipoprotein Particles from Chicken Egg Yolk for the Study of Bacterial Pathogen Fatty Acid Incorporation into Membrane Phospholipids
DOI:

11:59 min

May 15, 2019

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Capítulos

  • 00:04Título
  • 01:01Fractionation of LDL (Low-density Lipoprotein) Containing Plasma from Chicken Egg Yolk
  • 02:04Isolation of LDL Particles from Plasma
  • 03:16Incubation of S. aureus with LDLs for Membrane Lipid Analysis
  • 05:18Extraction of S. aureus Membrane Lipids
  • 06:54Analysis of S. aureus Lipid Profiles using High Resolution/Accurate Mass Spectrometry
  • 08:26Database Searching to Identify Endogenous S. aureus and Exogenous LDL-derived Lipids
  • 09:54Results: Fatty Acid Composition of S. aureus Phospholipids Cultured with Chicken LDLs
  • 11:29Conclusion

Summary

Tadução automática

この方法は、複雑な宿主源から細菌膜、特に黄色ブドウ球菌に外因性脂肪酸を取り込む研究のためのフレームワークを提供する。これを達成するために、鶏卵黄からのリポタンパク質粒子の濃縮のためのプロトコルと、質量分析を利用した細菌リン脂質のその後の脂肪酸プロファイリングについて説明する。

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