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Inverted and mirror repeats in model nucleotide sequences.

作者信息

Lillo Fabrizio, Spanò Marco

机构信息

Dipartimento di Fisica e Tecnologie Relative, Università di Palermo, Viale delle Scienze, I-90128, Palermo, Italy.

出版信息

Phys Rev E Stat Nonlin Soft Matter Phys. 2007 Oct;76(4 Pt 1):041914. doi: 10.1103/PhysRevE.76.041914. Epub 2007 Oct 23.

DOI:10.1103/PhysRevE.76.041914
PMID:17995033
Abstract

We analytically and numerically study the probabilistic properties of inverted and mirror repeats in model sequences of nucleic acids. We consider both perfect and nonperfect repeats, i.e., repeats with mismatches and gaps. The considered sequence models are independent identically distributed (i.i.d.) sequences, Markov processes and long-range sequences. We show that the number of repeats in correlated sequences is significantly larger than in i.i.d. sequences and that this discrepancy increases exponentially with the repeat length for long-range sequences.

摘要

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