随机性在生物通讯过程中的作用。
The role of stochasticity in biological communication processes.
机构信息
Department of Physiology, Anatomy & Genetics, Oxford University, Parks Road, OX1 3PT, UK.
出版信息
Prog Biophys Mol Biol. 2021 Jul;162:122-128. doi: 10.1016/j.pbiomolbio.2020.09.008. Epub 2020 Oct 1.
Abstract
Stochastic processes at molecular, cellular and higher levels in organisms are not simply noise. Organisms also use stochasticity at all levels to generate new DNA sequences, as in the immune system, and new forms of behaviour, as in the nervous system. The harnessing of stochasticity therefore endows organisms with the means to actively influence the direction of their development and evolution.
摘要
生物体在分子、细胞和更高层次上的随机过程并不仅仅是噪声。生物体也在所有层次上利用随机性来产生新的 DNA 序列，如免疫系统，以及新的行为形式，如神经系统。因此，对随机性的利用使生物体具备了主动影响其发展和进化方向的手段。
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