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原文連結
論文資訊
- 類型：已發表論文
- 日期：2021-09-03
摘要
Microbial communities are hugely diverse, but we do not yet understand how 物種 invasions and extinctions drive and limit their 多樣性. On the one hand, the ecological limits hypothesis posits that 多樣性 is primarily limited by environmental resources. On the other hand, the 多樣性-begets-多樣性 hypothesis posits that such limits can be easily lifted when new ecological niches are created by biotic interactions. To find out which hypothesis better explains the assembly of microbial communities, we used metabolic modelling. We represent each microbial 物種 by a metabolic 網絡 that harbours thousands of biochemical reactions. Together, these reactions determine which carbon and energy sources a 物種 can use, and which metabolic by-products-potential nutrients for other 物種-it can excrete in a given environment.
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