Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER) Kolkata, Mohanpur, India.
Centre for Advanced Functional Materials, Indian Institute of Science Education and Research (IISER) Kolkata, Mohanpur, India.
Nat Rev Chem. 2024 Oct;8(10):723-740. doi: 10.1038/s41570-024-00640-z. Epub 2024 Aug 23.
The soft and wet machines of life emerged as the spatially enclosed ensemble of biomolecules with replicating capabilities integrated with metabolic reaction cycles that operate at far-from-equilibrium. A thorough step-by-step synthetic integration of these elements, namely metabolic and replicative properties all confined and operating far-from-equilibrium, can set the stage from which we can ask questions related to the construction of chemical-based evolving systems with living matter-like properties - a monumental endeavour of systems chemistry. The overarching concept of this Review maps the discoveries on this possible integration of reaction networks, self-reproduction and compartmentalization under non-equilibrium conditions. We deconvolute the events of reaction networks and transient compartmentalization and extend the discussion towards self-reproducing systems that can be sustained under non-equilibrium conditions. Although enormous challenges lie ahead in terms of molecular diversity, information transfer, adaptation and selection that are required for open-ended evolution, emerging strategies to generate minimal metabolic cycles can extend our growing understanding of the chemical emergence of the biosphere of Earth.
生命的软湿机器以具有复制能力的生物分子的空间封闭集成为特征,与在远离平衡态下运行的代谢反应循环相结合。对这些元素,即代谢和复制特性的彻底的逐步综合,都局限在远离平衡的条件下运行,可以为我们提出与构建具有生命特征的基于化学的进化系统相关的问题奠定基础——这是系统化学的一项重大努力。这篇综述的总体概念描绘了在非平衡条件下反应网络、自我复制和区室化的可能整合的发现。我们剖析了反应网络和瞬时区室化的事件,并将讨论扩展到可以在非平衡条件下维持的自我复制系统。尽管在分子多样性、信息传递、适应和选择方面还面临着巨大的挑战,这些是开放式进化所必需的,但生成最小代谢循环的新兴策略可以扩展我们对地球生物圈的化学起源的不断增长的理解。