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Duplication in DNA Sequences

  • Masami Ito
  • Lila Kari
  • Zachary Kincaid
  • Shinnosuke SekiEmail author
Chapter
Part of the Natural Computing Series book series (NCS)

Abstract

The duplication and repeat-deletion operations are the basis of a formal language theoretic model of errors that can occur during DNA replication. During DNA replication, subsequences of a strand of DNA may be copied several times (resulting in duplications) or skipped (resulting in repeat-deletions). As formal language operations, iterated duplication and repeat-deletion of words and languages have been well studied in the literature. However, little is known about single-step duplications and repeat-deletions. In this paper, we investigate several properties of these operations, including closure properties of language families in the Chomsky hierarchy and equations involving these operations. We also make progress toward a characterization of regular languages that are generated by duplicating a regular language.

Keywords

Regular Language Closure Property Language Family Formal Language Theory Language Equation 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2009

Authors and Affiliations

  • Masami Ito
    • 1
  • Lila Kari
    • 2
  • Zachary Kincaid
    • 2
    • 3
  • Shinnosuke Seki
    • 2
    Email author
  1. 1.Department of Mathematics, Faculty of ScienceKyoto Sangyo UniversityKyotoJapan
  2. 2.Department of Computer ScienceUniversity of Western OntarioLondonCanada
  3. 3.Department of MathematicsUniversity of Western OntarioLondonCanada

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