Bacterial outer membrane vesicles: New insights and applications |
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Authors: | Deepak Anand Arunima Chaudhuri |
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Institution: | 1. Max-Planck-Institut für terrestrische Mikrobiologie, Marburg, Germany;2. Department of Cell Biology, Yale School of Medicine, New Haven, CT, USA |
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Abstract: | Outer membrane vesicles (OMVs) (~50–250?nm in diameter) are produced by both pathogenic and nonpathogenic bacteria as a canonical end product of secretion. In this review, we focus on the OMVs produced by gram-negative bacteria. We provide an overview of the OMV structure, various factors regulating their production, and their role in modulating host immune response using a few representative examples. In light of the importance of the diverse cargoes carried by OMVs, we discuss the different modes of their entry into the host cell and advances in the high-throughput detection of these OMVs. A conspicuous application of OMVs lies in the field of vaccination; we discuss its success in immunization against human diseases such as pertussis, meningitis, shigellosis and aqua-farming endangering diseases like edwardsiellosis. |
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Keywords: | Outer membrane vesicles endotoxin host-immune modulation vaccine development |
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