Molecular phylogeny of theChironomus genus deduced from nucleotide sequences of two nuclear genes,ssp 160 and the globin 2b gene |
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Authors: | I F Makarevich E V Berezikov V P Guryev A G Blinov |
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Institution: | (1) Institute of Cytology and Genetics, Siberian Division, Russian Academy of Sciences, 630090 Novosibirsk, Russia |
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Abstract: | Two genes were employed to study phylogenetic relatedness of theChironomus species: the protein-coding, salivary gland-specificssp160 gene, and the globin 2b (gb2b) gene. By using PCR, it was demonstrated that all the 38Chironomus species analyzed possess thegb2b gene, while only 13 have thessp160 gene. Partial nucleotide sequences of the genes of 22 species were determined. The data obtained were employed to construct
phylogenetic trees which appeared to be topologically similar and revealed five groups of phylogenetically closely related
species. Combining the data obtained in the studies of nuclear and mitochondrial genes, a molecular-data-based scenario could
be suggested for theChironomus genus evolution. |
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Keywords: | chironomids (Chironomidae Chironomus) phylogeny 2b globin gene ssp160 gene evolution of nuclear and mitochondrial genes |
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