This study shows that although colistin resistance in Klebsiella pneumoniae is associated with a fitness defect in gut colonization, it increases bacterial survival outside the host, thus enabling efficient host-to-host transmission.

中文翻译：

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抵抗的代价

这项研究表明，虽然肺炎克雷伯菌中的粘菌素耐药性与肠道定植的适应性缺陷有关，但它增加了宿主体外的细菌存活率，从而实现了有效的宿主间传播。