Environmental variability and modularity of bacterial metabolic networks

  title={Environmental variability and modularity of bacterial metabolic networks},
  author={Merav Parter and Nadav Kashtan and Uri Alon},
  journal={BMC Evolutionary Biology},
  pages={169 - 169}
Biological systems are often modular: they can be decomposed into nearly-independent structural units that perform specific functions. The evolutionary origin of modularity is a subject of much current interest. Recent theory suggests that modularity can be enhanced when the environment changes over time. However, this theory has not yet been tested using biological data. To address this, we studied the relation between environmental variability and modularity in a natural and well-studied… CONTINUE READING
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