Chiral polymerisation and the RNA world

Wattis, Jonathan A.D. and Coveney, Peter V. (2005) Chiral polymerisation and the RNA world. International Journal of Astrobiology, 4 . pp. 63-73. ISSN 1473-5504

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The purpose of this paper is to review two mathematical models: one for the formation of homochiral polymers from an originally chirally symmetric system; and the other, to show how, in an RNA-world scenario, RNA can simultaneously act both as information storage and a catalyst for its own production. We note the similarities and differences in chemical mechanisms present in the systems. We review these two systems, analysing steady-states, interesting kinetics and the stability of symmetric solutions. In both systems we show that there are ranges of parameter values where

some chains increase their own concentrations faster than others.

Item Type: Article
Keywords: homochiral polymers, origins of life, chiral polymerisation, RNA world, mathematical modelling
Schools/Departments: University of Nottingham, UK > Faculty of Science > School of Mathematical Sciences
Depositing User: Wattis, Jonathan
Date Deposited: 23 Jul 2008 13:39
Last Modified: 04 May 2020 20:31

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