Correlation matrix for quartet codon usage

L. Frappat, A. Sciarrino and P. Sorba

Physica A: Statistical Mechanics and its Applications, 2005, vol. 351, issue 2, 461-476

Abstract: It has been argued that the sum of usage probabilities for codons, belonging to quartets, that have as third nucleotide C or A, is independent of the biological species for vertebrates. The comparison between the theoretical correlation matrix derived from these sum rules and the experimentally computed matrix for 26 species shows a satisfactory agreement. The Shannon entropy, weakly depending on the biological species, gives further support. Suppression of codons containing the dinucleotides CG or AU is put in evidence.

Keywords: Genome; Codon usage; Correlation; Information; Entropy (search for similar items in EconPapers)
Date: 2005
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:351:y:2005:i:2:p:461-476

DOI: 10.1016/j.physa.2005.01.051

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