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Journal Articles Procedia Computer Science Year : 2012

Predicting the Evolution of Gene ura3 in the Yeast Saccharomyces Cerevisiae

Abstract

Since the late '60s, various genome evolutionary models have been proposed to predict the evolution of a DNA sequence as the generations pass. Essentially, two main categories of such models can be found in the literature. The first one, based on nucleotides evolution, uses a mutation matrix of size 4x4. It encompasses for instance the well-known models of Jukes and Cantor, Kimura, and Tamura. In the second category, exclusively studied by Bahi and Michel, the evolution of trinucleotides is studied through a matrix of size 64x64. By essence, all of these models relate the evolution of DNA sequences to the computation of the successive powers of a mutation matrix. To make this computation possible, particular forms for the mutation matrix are assumed, which are not compatible with mutation rates that have been recently obtained experimentally on gene $ura3$ of the Yeast \textit{Saccharomyces cerevisiae}. Using this experimental study, authors of this paper have deduced a simple mutation matrice, compute the future evolution of the rate purine/pyrimidine for ura3, investigate the particular behavior of cytosines and thymines compared to purines, and simulate the evolution of each nucleotide.
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Dates and versions

hal-00786207 , version 1 (08-02-2013)

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Jacques M. Bahi, Christophe Guyeux, Antoine Perasso. Predicting the Evolution of Gene ura3 in the Yeast Saccharomyces Cerevisiae. Procedia Computer Science, 2012, 11, pp.4-16. ⟨10.1016/j.procs.2012.09.002⟩. ⟨hal-00786207⟩
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