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原文連結
論文資訊
- 類型：已發表論文
- 日期：2017-01-03
摘要
Cheats are a pervasive threat to public goods production in natural and human communities, as they benefit from the commons without contributing to it. Although ecological antagonisms such as predation, parasitism, competition, and abiotic environmental stress play key roles in shaping 族群 biology, it is unknown how such stresses generally affect the ability of cheats to undermine 合作. We used theory and experiments to address this question in the pathogenic bacterium, Pseudomonas aeruginosa. Although public goods producers were selected against in all 族群s, our competition experiments showed that 抗生素s significantly increased the advantage of nonproducers. Moreover, the dominance of nonproducers in mixed cultures was associated with higher resistance to 抗生素s than in either monoculture. 數學 mod
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