File:12934 2021 1565 Fig1 HTML.jpg
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outer membrane E coli
Summary
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| Description |
English: Different molecules of the OM in E. coli. The cell envelope of E. coli has two distinct membranes: the OM and the IM. Structurally, OM is composed of phospholipids in the periplasmic leaflet and LPS in the external leaflet. LPS contain Kdo2-lipid A, core and O-antigen, and the latter two form the polysaccharide portion of LPS. The biosynthesis of sugar groups in polysaccharide of LPS are derived from glucose 6-phosphate, an intermediate of glycolysis. The polymerized CA is secreted into the surface of the OM in E. coli K-12. CA contains six sugar groups also derived from the intermediates of glucose metabolic pathways. The structural model of flagella and type I fimbriae exhibited on the membrane in E. coli K-12. The structure of flagella and type I fimbria are transmembrane anchored in the membrane with the flagellar filament and mycelium outside. The biosynthesis or function of LPS, CA, flagella and fimbria all need co-factors ATP |
| Date | |
| Source | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7980664/#:~:text=The%20cell%20envelope%20of%20E.%20coli%20has%20two,latter%20two%20form%20the%20polysaccharide%20portion%20of%20LPS. |
| Author | Jianli Wang, Wenjian Ma, Xiaoyuan Wang |
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