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Issue 28, 2016
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Self-assembly behaviours of primitive and modern lipid membrane solutions: a coarse-grained molecular simulation study

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Abstract

Researchers have studied the origin of life and the process of evolution on early Earth for decades. However, we lack a comprehensive understanding of biogenesis, because there are many stages in the formation and growth of the first cell. We investigate the self-replication processes of coacervate protocells using computer simulations of single-chain lipid and phospholipid aqueous mixtures. Based on a morphological phase diagram, we develop a model of prebiotic self-replication driven by only environmental factors (i.e. temperature and lipid concentrations) without any external force. Moreover, we investigate high concentration structures during the process of self-replication. These structures have an advantage in fusion and repair of cell membranes. Therefore, lipid hot spots may have existed in primordial soup.

Graphical abstract: Self-assembly behaviours of primitive and modern lipid membrane solutions: a coarse-grained molecular simulation study

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Supplementary files

Article information


Submitted
11 Apr 2016
Accepted
23 Jun 2016
First published
29 Jun 2016

This article is Open Access

Phys. Chem. Chem. Phys., 2016,18, 19426-19432
Article type
Paper

Self-assembly behaviours of primitive and modern lipid membrane solutions: a coarse-grained molecular simulation study

N. Arai, Y. Yoshimoto, K. Yasuoka and T. Ebisuzaki, Phys. Chem. Chem. Phys., 2016, 18, 19426
DOI: 10.1039/C6CP02380K

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