Bacterial bioreactors: Outer membrane vesicles for enzyme encapsulation
Bacterial membrane vesicles, whether naturally occurring or engineered for enhanced functionality, have significant potential as tools for bioremediation, enzyme catalysis, and the development of therapeutics such as vaccines and adjuvants. In many instances, the vesicles themselves and the naturall...
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Veröffentlicht in: | Methods in enzymology 2019, Vol.617, p.187-216 |
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Hauptverfasser: | , , |
Format: | Artikel |
Sprache: | eng |
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Zusammenfassung: | Bacterial membrane vesicles, whether naturally occurring or engineered for enhanced functionality, have significant potential as tools for bioremediation, enzyme catalysis, and the development of therapeutics such as vaccines and adjuvants. In many instances, the vesicles themselves and the naturally occurring proteins are sufficient to lend functionality. Alternatively, additional function can be conveyed to these biological nanoparticles through the directed packaging of peptides and proteins, specifically recombinant enzymes chosen to mediate a specific reaction or facilitate a controlled response. Here we will detail mechanisms for directing the packaging of recombinant proteins and peptides into the nascent membrane vesicles (MVs) of Gram-negative bacteria with a focus on both active and passive packaging using both cellular machinery and engineered molecular systems. Additionally, we detail some of the more common methods for bacterial MVs purification, quantitation, and characterization as these methods are requisite for any subsequent experimentation or processing of MV reagents. |
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ISSN: | 1557-7988 |
DOI: | 10.1016/bs.mie.2018.12.012 |