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New invariant of DNA sequence based on 3DD‐curves and its application on phylogeny
Author(s) -
Zhang Xizhen,
Luo Jiawei,
Yang Li
Publication year - 2007
Publication title -
journal of computational chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.907
H-Index - 188
eISSN - 1096-987X
pISSN - 0192-8651
DOI - 10.1002/jcc.20760
Subject(s) - invariant (physics) , eigenvalues and eigenvectors , sequence (biology) , dna , phylogenetic tree , dna sequencing , mathematics , phylogenetics , combinatorics , biology , computational biology , genetics , physics , gene , mathematical physics , quantum mechanics
The Z_inv , a new invariant based on 3DD‐curves of DNA sequence, which is simple for calculation and it approximates to the leading eigenvalues of the matrix associated with DNA sequence. The utility of our invariant is illustrated on the DNA sequence of 11 species. In this study, we use the Z_inv to analyze the phylogenetic relationships for the seven HA (H5N1) sequences of avian influenza virus. © 2007 Wiley Periodicals, Inc. J Comput Chem 2007