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Analysis of Similarity/Dissimilarity of DNA Sequences Based on Chaos Game Representation

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  • Wei Deng
  • Yihui Luan

Abstract

The Chaos Game is an algorithm that can allow one to produce pictures of fractal structures. Considering that the four bases A, G, C, and T of DNA sequences can be divided into three classes according to their chemical structure, we propose different kinds of CGR-walk sequences. Based on CGR coordinates of random sequences, we introduce some invariants for the DNA primary sequences. As an application, we can make the examination of similarity/dissimilarity among the first exon of β -globin gene of different species. The results indicate that our method is efficient and can get more biological information.

Suggested Citation

  • Wei Deng & Yihui Luan, 2013. "Analysis of Similarity/Dissimilarity of DNA Sequences Based on Chaos Game Representation," Abstract and Applied Analysis, Hindawi, vol. 2013, pages 1-6, March.
    • Handle: RePEc:hin:jnlaaa:926519
    DOI: 10.1155/2013/926519
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