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In vitro regulatory models for systems biology

机译:系统生物学的体外调控模型

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摘要

The reductionist approach has revolutionized biology in the past 50 years. Yet its limits are being felt as the complexity of cellular interactions is gradually revealed by high-throughput technology. In order to make sense of the deluge of "omic data", a hypothesis-driven view is needed to understand how biomolecular interactions shape cellular networks. We review recent efforts aimed at building in vitro biochemical networks that reproduce the flow of genetic regulation. We highlight how those efforts have culminated in the rational construction of biochemical oscillators and bistable memories in test tubes. We also recapitulate the lessons learned about in vivo biochemical circuits such as the importance of delays and competition, the links between topology and kinetics, as well as the intriguing resemblance between cellular reaction networks and ecosystems
机译:还原论方法在过去50年中彻底改变了生物学。然而,随着高通量技术逐渐揭示出细胞相互作用的复杂性,人们逐渐感受到它的局限性。为了理解大量的“组学数据”,需要一种假设驱动的观点来理解生物分子相互作用如何塑造细胞网络。我们回顾了最近的努力,旨在建立能够重现基因调控流程的体外生化网络。我们强调了这些努力是如何在试管中合理构造生化振荡器和双稳态存储器的结果。我们还总结了有关体内生化回路的经验教训,例如延迟和竞争的重要性,拓扑与动力学之间的联系以及细胞反应网络与生态系统之间的相似之处。

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