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学術論文

Emergent properties of bacterial chemotaxis pathway

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Colin, R.
Department of Systems and Synthetic Microbiology, Max Planck Institute for Terrestrial Microbiology, Max Planck Society;

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Sourjik, V.
Microbial Networks, Department of Systems and Synthetic Microbiology, Max Planck Institute for Terrestrial Microbiology, Max Planck Society;
Center for Synthetic Microbiology (SYNMIKRO);

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引用

Colin, R., & Sourjik, V. (2017). Emergent properties of bacterial chemotaxis pathway. Current Opinion in Microbiology, 39, 24-33. doi:10.1016/j.mib.2017.07.004.

要旨

The chemotaxis pathway of Escherichia coli is the most studied sensory system in prokaryotes. The highly conserved general architecture of this pathway consists of two modules which mediate signal transduction and adaptation. The signal transduction module detects and amplifies changes in environmental conditions and rapidly transmits these signals to control bacterial swimming behavior. The adaptation module gradually resets the activity and sensitivity of the first module after initial stimulation and thereby enables the temporal comparisons necessary for bacterial chemotaxis. Recent experimental and theoretical work has unraveled multiple quantitative features emerging from the interplay between these two modules. This has laid the groundwork for rationalization of these emerging properties in the context of the evolutionary optimization of the chemotactic behavior.