摘要 Environmental change represents a major threat to

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論文資訊

• 類型：已發表論文
• 日期：2013

摘要

Environmental change represents a major threat to 物種 persistence. When change is rapid, a 族群's only means of persisting may be to evolve resistance. Understanding such 演化ary rescues' is important for conservation in the face of global change, but also in the agri文化 and medical sciences, where the objective is rather 族群 control or eradication. Theory predicts that 演化ary rescue is fostered by large 族群s and 遺傳 variation, but this has yet to be tested. We replicated hundreds of 族群s of the bacterium Pseudomonas fluorescens SBW25 submitted to a range of doses of the 抗生素 streptomycin. Consistent with theory, 族群 size, and initial 遺傳 多樣性 influenced 族群 persistence and the 演化 of 抗生素 resistance. Although all treated 族群s suffered initial declines, those experiencing the smallest decreases were most lik

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