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Homochiral Growth Through Enantiomeric Cross-Inhibition
Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Physics, Department of Astronomy and Space Physics.
2005 (English)In: Origins of Life and Evolution of Biospheres, Vol. 35, no 3, 225-241 p.Article in journal (Refereed) Published
Abstract [en]

The stability and conservation properties of a recently proposed polymerization model are studied. The achiral (racemic) solution is linearly unstable once the relevant control parameter (here the fidelity of the catalyst) exceeds a critical value. The growth rate is calculated for different fidelity parameters and cross-inhibition rates. A chirality parameter is defined and shown to be conserved by the nonlinear terms of the model. Finally, a truncated version of the model is used to derive a set of two ordinary differential equations and it is argued that these equations are more realistic than those used in earlier models of that form.

Place, publisher, year, edition, pages
2005. Vol. 35, no 3, 225-241 p.
Keyword [en]
DNA polymerization, enantiomeric cross-inhibition, origin of homochirality
URN: urn:nbn:se:uu:diva-77480DOI: doi:10.1007/s11084-005-0656-9OAI: oai:DiVA.org:uu-77480DiVA: diva2:105392
Available from: 2006-03-14 Created: 2006-03-14 Last updated: 2011-01-11

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