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Latent periodicity of DNA sequences of many genes
1Center of Bioengineering of the Russian Academy of Sciences, Moscow, Russia.
Abstract:
A method of latent periodicity search being developed. Mutual information is used to reveal of DNA or mRNA sequence latent periodicity. The latent periodicity of DNA sequence is a periodicity with low level of homology between any two periods inside DNA sequence. The mutual information between artificial numerical sequence and DNA sequence is calculated. The length of the artificial sequence period is varied from 2 to 150. The high level of the mutual information between artificial and DNA sequences allows to find any type of latent periodicity of DNA sequence. The latent periodicity of many DNA coding regions has been found. Potential significance of latent periodicity is discussed.