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生物系统中熵与信息的两个方面。

Two faces of entropy and information in biological systems.

作者信息

Mitrokhin Yuriy

机构信息

The Institute of Problems of Chemical Physics of the Russian Academy of Sciences (RAS), 142432 Moscow region, Chernogolovka, Russian Federation.

出版信息

J Theor Biol. 2014 Oct 21;359:192-8. doi: 10.1016/j.jtbi.2014.06.018. Epub 2014 Jun 20.

DOI:10.1016/j.jtbi.2014.06.018
PMID:24956330
Abstract

The article attempts to overcome the well-known paradox of contradictions between the emerging biological organization and entropy production in biological systems. It is assumed that quality, speculative correlation between entropy and antientropy processes taking place both in the past and today in the metabolic and genetic cellular systems may be perfectly authorized for adequate description of the evolution of biological organization. So far as thermodynamic entropy itself cannot compensate for the high degree of organization which exists in the cell, we discuss the mode of conjunction of positive entropy events (mutations) in the genetic systems of the past generations and the formation of organized structures of current cells. We argue that only the information which is generated in the conditions of the information entropy production (mutations and other genome reorganization) in genetic systems of the past generations provides the physical conjunction of entropy and antientropy processes separated from each other in time generations. It is readily apparent from the requirements of the Second law of thermodynamics.

摘要

本文试图克服生物系统中新兴生物组织与熵产生之间众所周知的矛盾悖论。假定熵与反熵过程之间的定性、推测性关联在过去和现在的代谢及遗传细胞系统中均有发生,这或许完全适用于对生物组织进化的充分描述。鉴于热力学熵本身无法补偿细胞中存在的高度组织性,我们讨论了过去几代遗传系统中正向熵事件(突变)的结合模式以及当前细胞有组织结构的形成。我们认为,只有在过去几代遗传系统中信息熵产生(突变及其他基因组重组)的条件下所产生的信息,才提供了在时间上相隔几代的熵与反熵过程的物理结合。这从热力学第二定律的要求中显而易见。

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