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Protein-protein interactions and the spatiotemporal dynamics of bacterial outer membrane proteins

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JournalCURRENT OPINION IN STRUCTURAL BIOLOGY
DatePublished - 1 Dec 2015
Volume35
Number of pages7
Pages (from-to)109-115
Original languageEnglish

Abstract

It has until recently been unclear whether outer membrane proteins (OMPs) of Gram-negative bacteria are organized or distributed randomly. Studies now suggest promiscuous protein-protein interactions (PPIs) between β-barrel OMPs in Escherichia coli govern their local and global dynamics, engender spatiotemporal patterning of the outer membrane into micro-domains and are the basis of β-barrel protein turnover. We contextualize these latest advances, speculate on areas of bacterial cell biology that might be influenced by the organization of OMPs into supramolecular assemblies, and highlight the new questions and controversies this revised view of the bacterial outer membrane raises.

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