Membrane vesicles traffic signals and facilitate group activities in a prokaryote

Lauren M. Mashburn and Marvin Whiteley ()
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Lauren M. Mashburn: Department of Periodontics
Marvin Whiteley: Department of Periodontics

Nature, 2005, vol. 437, issue 7057, 422-425

Abstract: A message in a vesicle Bacteria exhibit many social activities which are coordinated by complex inter-species cell–cell signalling (quorum sensing) systems, but the way that quorum sensing mediates social behaviour is incompletely understood. Experiments with the pathogen Pseudomonas aeruginosa now show that an important cell–cell signal is packaged into outer membrane vesicles, and that these vesicles are critical for communication and group behaviour. Intriguingly, the signal molecule mediates its own packaging into these vesicles. Vesicle-mediated trafficking is common in eukaryotes, but this is the first report of membrane vesicles as mediators of communication in a prokaryote.

Date: 2005
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DOI: 10.1038/nature03925

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