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Title: | Influence of wet‐dry cycling on the self‐assembly and physicochemical properties of model protocellular membrane systems |
Authors: | SARKAR, SUSOVAN DAGAR, SHIKHA RAJAMANI, SUDHA Dept. of Biology |
Keywords: | Self-assembly Membranes Protocells, Wet-Dry cycling Molecular evolution 2021-APR-WEEK3 TOC-APR-2021 2021 |
Issue Date: | Sep-2021 |
Publisher: | Wiley |
Citation: | ChemSystemsChem, 3(5), e2100014. |
Abstract: | Wet‐dry cycles are hypothesized to facilitate fundamental steps towards the emergence of life on prebiotic Earth. Multiple wet‐dry cycles have been demonstrated to promote biopolymer formation. However, the effect of recurring wet‐dry cycles on the self‐assembly and physicochemical properties of model protocellular membranes remains somewhat obscure. Towards this end, we evaluated the structural and chemical stability of composite model protocell membrane systems composed of single chain amphiphiles, under wet‐dry cycles. The change in membrane properties, size and encapsulation was also investigated. Model protocellular membrane systems were found to reassemble into vesicles even over multiple cycling. Wet‐dry cycling induced compositional changes in the membranes, leading to changes in their physicochemical properties. Multiple cycles were also found to increase vesicular encapsulation of calcein. This work outlines how wet‐dry cycling on the early Earth could have helped in the formation of protocellular entities and their evolution on the prebiotic Earth. |
URI: | http://dr.iiserpune.ac.in:8080/xmlui/handle/123456789/5839 https://doi.org/10.1002/syst.202100014 |
ISSN: | 2570-4206 |
Appears in Collections: | JOURNAL ARTICLES |
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