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'Policing' stops cheaters from dominating groups of cooperative bacteria
Date:5/26/2011

mixed with the evolving populations during every round of development) and in some cases could socially exploit both the cooperative ancestor and the non-evolving cheater itself.

This study may cast a shadow on recent proposals that cheaters might be used to thwart infections of bacteria that cooperate with each other to cause disease in humans. The basic idea of such proposals is to introduce cheaters that will disrupt the social cohesion of infecting bacterial populations. However, just as bacteria readily evolve resistance to antibiotics, cooperative bacteria that infect humans or animals may evolve to beat the cheats.


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Contact: Steve Chaplin
stjchap@indiana.edu
812-856-1896
Indiana University
Source:Eurekalert  

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'Policing' stops cheaters from dominating groups of cooperative bacteria
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