Protein folding in bacterial adhesion: secretion and folding of classical monomeric autotransporters

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Bacterial adhesins mediate the attachment of bacteria to their niches, such as the tissue of an infected host. Adhesins have to be transported across the cell envelope to become active and during this secretion process they fold into their final conformation. This chapter focuses on the biogenesis of the classical monomeric autotransporter proteins, which are the most ubiquitous class of secreted proteins in Gram-negative bacteria. They may function as adhesins, but other functions are also known. Autotransporter proteins have a modular structure and consist of an N-terminal signal peptide and a C-terminal translocator domain with in between the secreted passenger domain that harbours the functions. The signal peptide directs the transport across the inner membrane to the periplasm via the Sec machinery. The translocator domain inserts into the outer membrane and facilitates the transport of the passenger to the cell surface. In this chapter, I will review our current knowledge of the secretion of classical monomeric autotransporters and the methods that have been used to assess their folding during the translocation, both in vitro and in vivo. © 2011 Springer Science+Business Media B.V.
Original languageEnglish
Pages (from-to)125-42
JournalAdvances in Experimental Medicine and Biology
Publication statusPublished - 2011

Bibliographical note

van Ulsen, Peter Journal Article Review United States Adv Exp Med Biol. 2011;715:125-42. doi: 10.1007/978-94-007-0940-9_8.


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