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Background Microbial communities are susceptible to the public goods dilemma, whereby individuals can gain an advantage within a group by utilizing, but not sharing the cost of producing, public goods. In bacteria, the development of quorum sensing (QS) can establish a cooperation system in a population by coordinating the production of costly and sharable extracellular products (public goods). Cooperators...
Social exclusion and costly punishment have been regarded as potential measures to solve the conundrum of cooperation recently. In real life, what is pretty widespread is the combined use of multiple strategies. Here, we propose two different strategy switching rules, namely, peer switching and pool switching, to investigate the effect of conditional switching between punishment and exclusion on cooperation...
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