Taylor, Annette F. (2021) From clocks to synchrony: the design of bioinspired self‐regulation in chemical systems. In, Giuseppone, Nicolas and Walther, Andreas (eds.) Out‐of‐Equilibrium (Supra)molecular Systems and Materials. Wiley‐VCH GmbH, pp. 61-90. (doi:10.1002/9783527821990.ch3).
Abstract
Feedback plays a vital role in the self-regulation of processes that govern biological structure and function such as the switches, rhythms, and synchronized states that are observed in cells. This chapter discusses the mechanisms of feedback and nonequilibrium state selection in the bioinspired chemical systems. The language that has evolved through the study of self-organization in chemical systems extends across multiple disciplines, and scientists are becoming increasingly adept at engineering functional feedback in both chemical and biological systems for applications. In living systems, autocatalysis is used as a switch to initiate processes in response to chemical signals. The Belousov–Zhabotinsky reaction remains the only homogeneous system to display long-lived oscillations in closed batch reactor. One of the remarkable discoveries regarding single-celled organisms such as bacteria was their ability to display collective behavior and form multicellular communities. The simplest response of cells is synchronization of activity, driven by intercellular chemical communication and feedback in the signaling mechanism.
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