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原文連結
論文資訊
- 類型：已發表論文
- 日期：2015-12-22
摘要
Multicellular organisms coordinate growth and differentiation from single cell starting points with developmental programs. While the 演化ary origins of these programs are unknown, it is likely that they are closely tied to the 演化 of regulated-not 隨機-phenotypic expression. To determine how such regulation might arise, we consider experimental 族群s of Pseudomonas fluorescens which evolved 隨機 switching in the lab. This switching is directly coupled with environmental oscillations generated by the 細菌 themselves. This unique example of niche construction provides reliable 資訊 that organisms may incorporate into regulation of phenotypes. We use 數學 models to investigate the success of two forms of regulation that rely on sensing either external or internal 資訊. We find that both strategies can outcom
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