A clever experimental design in bacteria with engineered obligate mutualisms shows that interdependency can allow pairs of bacteria to survive in environments that are uninhabitable by the individual strains.

中文翻译：

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当两个比一个好

一个巧妙的细菌实验设计表明，相互依赖可以让成对的细菌在单个菌株无法居住的环境中生存。