Additional file 1.
Phylogenetic analysis of J. onca opsins using a Maximum-likelihood approach. A maximum likelihood tree, which uses opsin-coding sequence from J. onca and relatives. PAUP* 4.0B10 was used to estimate genetic distances, based on modeltest's best-fit model of evolution, and complete phylogenetic analysis [18,19] [accession numbers see Additional file 3]. All codon positions were used and pair-wise deletion was used in the case of missing nucleotides for the analysis.
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Windsor and Owens BMC Research Notes 2009 2:159 doi:10.1186/1756-0500-2-159