Structural Properties of the Lipid A Component of the Lipopolysaccharide（Endotoxin）Isolated from Bacteriodes fragilis NCTC 9343

焦炳华; 何炬斌; 余伟明; 周炳荣; 丁锡竞

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Structural Properties of the Lipid A Component of the Lipopolysaccharide（Endotoxin）Isolated from Bacteriodes fragilis NCTC 9343

Updated：2026-03-12

- Structural Properties of the Lipid A Component of the Lipopolysaccharide（Endotoxin）Isolated from Bacteriodes fragilis NCTC 9343
- Structural Properties of the Lipid A Component of the Lipopolysaccharide（Endotoxin）Isolated from Bacteriodes fragilis NCTC 9343
- 解放军医学杂志（英文版） 1989年第4期页码：295-298
- Affiliations：
  
  1. Endotoxin Division Department of Microbiology
  2. Second Military Medical University
  3. ,Shanghai,200433
- Author bio：
- Funds：
- DOI：
  中图分类号：
- 纸质出版：1989
- Accepted：
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Structural Properties of the Lipid A Component of the Lipopolysaccharide（Endotoxin）Isolated from Bacteriodes fragilis NCTC 9343[J]. 解放军医学杂志（英文版）, 1989,(4):295-298.

[1]焦炳华,何炬斌,余伟明,周炳荣,丁锡竞.Structural Properties of the Lipid A Component of the Lipopolysaccharide(Endotoxin)Isolated from Bacteriodes fragilis NCTC 9343[J].Journal of Medical Colleges of PLA,1989(04):295-298.
Structural Properties of the Lipid A Component of the Lipopolysaccharide（Endotoxin）Isolated from Bacteriodes fragilis NCTC 9343[J]. 解放军医学杂志（英文版）, 1989,(4):295-298. DOI：

[1]焦炳华,何炬斌,余伟明,周炳荣,丁锡竞.Structural Properties of the Lipid A Component of the Lipopolysaccharide(Endotoxin)Isolated from Bacteriodes fragilis NCTC 9343[J].Journal of Medical Colleges of PLA,1989(04):295-298. DOI：

摘要

Abstract

<正> Various chemical and gas-liquid chromatographic analyses indicate that the lipid A

backbone of the lipopolysaccharide（LPS）isolated from B.fragilis NCTC 9343 is chemically con-stitutεd by a β1

6-interlinked D-glucosamine disaccharide.It is phosphorylated at its 1-positionby a glvcosidic-linkage while the ester-linked phosphate at 4’—position present generally in otherlipid A is depleted.The lipid A is lower fatty acylated in the amount of 5.2 fatty acids/lipid Amolecule（of which 0.73 forms 3-acyloxyacyl groups）.The LPS containing such an incompletelipid A component has been shown endowina with a weaker endotoxicitv.

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