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A Model of Avian Genome Evolution

L. Luo

Published 2015 in bioRxiv

ABSTRACT

Based on the reconstruction of evolutionary tree for avian genome a model of genome evolution is proposed. The importance of k-mer frequency in determining the character divergence among avian species is demonstrated. The classical evolutionary equation is written in terms of nucleotide frequencies of the genome varying in time. The evolution is described by a second-order differential equation. The diversity and the environmental potential play dominant role on the genome evolution. Environmental potential parameters, evolutionary inertial parameter and dissipation parameter are estimated by avian genomic data. To describe the speciation event the quantum evolutionary equation is proposed which is the generalization of the classical equation through correspondence principle. The Schrodinger wave function is the probability amplitude of nucleotide frequencies. The discreteness of quantum state is deduced and the ground-state wave function of avian genome is obtained. As the evolutionary inertia decreasing the classical phase of evolution is transformed into quantum phase. New species production is described by the quantum transition between discrete quantum states. The quantum transition rate is calculated which provides a clue to understand the law of the rapid post-Cretaceous radiation of neoavian birds.

PUBLICATION RECORD

  • Publication year

    2015

  • Venue

    bioRxiv

  • Publication date

    2015-12-17

  • Fields of study

    Biology, Physics, Environmental Science

  • Identifiers
    DOI 10.1101/034710
  • External record

    Open on Semantic Scholar

  • Source metadata

    Semantic Scholar

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