title: New invariant of DNA sequence based on 3DD-curves and its application on phylogeny.
abstract: 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.
authors.affiliation: School of Computer and Communication, Hunan University, Changsha, Hunan 410082, China. chunagp@hotmail.com
authors.forename: Xizhen
authors.initials: X
authors.lastname: Zhang
authors.forename: Jiawei
authors.initials: J
authors.lastname: Luo
authors.forename: Li
authors.initials: L
authors.lastname: Yang
mesh_terms: D000818:Animals; D001483:Base Sequence; D004279:DNA, Viral / Q000235:genetics*; D005914:Globins / Q000235:genetics*; D006801:Humans; D053124:Influenza A Virus, H5N1 Subtype / Q000235:genetics*; D010802:Phylogeny; D017422:Sequence Analysis, DNA / Q000379:methods*
chemical_list: D004279:DNA, Viral; D005914:Globins