Transport of lipopolysaccharides and phospholipids to the outer membrane.
Transport of lipopolysaccharides and phospholipids to the outer membrane.
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DOI:
10.1016/j.mib.2021.01.006
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发表时间:
2021-04
影响因子:
5.4
通讯作者:
Ruiz N
中科院分区:
文献类型:
--
作者:
Wilson A;Ruiz N
Cells must build and maintain at least one membrane that surrounds essential cellular components and provides structural integrity. Gram-negative bacteria possess an inner membrane, which separates the aqueous cytoplasmic and periplasmic compartments, and an outer membrane, which surrounds the periplasm. The outer membrane is an asymmetric bilayer with phospholipids in its inner leaflet and lipopolysaccharides in its outer leaflet. This structure provides cellular integrity and prevents the entry of many toxic compounds into the cell. Constructing the outer membrane is challenging, since its lipid constituents must be synthesized within the inner membrane, transported across the periplasm, and ultimately assembled into an asymmetric structure. This review highlights major recent advances in our understanding of the mechanism and structure of the intermembrane, multi-protein machine that transports lipopolysaccharide across the cell envelope. Although our understanding of phospholipid transport is very limited, we also provide a brief update on this topic.
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DOI:
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发表时间:
2009-05
期刊:
Biochimica et biophysica acta
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--
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DOI:
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