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Comment
. 2010 Jan 12;20(1):R13-5.
doi: 10.1016/j.cub.2009.11.018.

Host-pathogen interactions: proline gives insect pathogens the green light

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Host-pathogen interactions: proline gives insect pathogens the green light

Nick Waterfield. Curr Biol. .
Free article

Abstract

How does a quiescent symbiont of a nematode worm know when to turn nasty? Metabolic analysis and genetic knockouts confirm that model insect pathogens can sense L-proline in insect blood. This not only serves as a wake-up call, activating secondary metabolite virulence factors, but also provides an energy source for a metabolic shift appropriate for adaptation to the host environment.

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