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原文連結
論文資訊
- 類型：已發表論文
- 日期：2018-01-12
摘要
Programmed cell death (PCD) occurs in both unicellular and multicellular organisms. While PCD plays a key role in the development and maintenance of multicellular organisms, explaining why single-celled organisms would evolve to actively commit suicide has been far more challenging. Here, we explore the potential for PCD to act as an accessory to microbial bet-hedging strategies that utilize 隨機 phenotype switching. We consider organisms that face unpredictable and recurring disasters, in which fitness depends on effective phenotypic diversification. We show that when reproductive opportunities are limited by carrying capacity, PCD drives 族群 turnover, providing increased opportunities for phenotypic diversification through 隨機 phenotype switching. The main cost of PCD, providing resources fo
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