Molecular phylogeny of the Drosophila auraria species complex and allied species of Japan based on nuclear and mitochondrial DNA sequences

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概要

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• We studied the phylogenetic relationships among the six species of the Drosophila auraria species complex and three species of the montium species subgroup endemic to Japan. To do this, we examined the DNA sequences of the nuclear ITS1 and the mitochondrial COII of these species. Intraspecific variation in ITS1 was observed for most of the species studied. However, interspecific variation was small and of the same magnitude as intraspecific variation among D. auraria, D. triauraria, and D. quadraria. In addition, the amount of intraspecific variation between COII sequences from D. auraria and D. triauraria was almost the same as that of the interspecific variation between these species. Phylogenetic trees based on ITS1 or COII data reveal that, with the exception of D. pectinifera, these species can be separated into two taxonomic groups. D. rufa formed a taxonomic lineage with two Japanese endemic species, D. asahinai and D. lacteicornis. Physiological and behavioral differences between D. auraria and D. triauraria have been reported, but our results differed from those previously reported. Such differences may be better explained by hybridization between D. auraria and D. triauraria than by similarity due to recent common ancestry. Both the ITS1- and COII-based phylogenetic trees placed D. pectinifera outside the auraria complex. However, D. pectinifera sequences were more similar to those of the auraria complex than those of D. punjabiensis, another species thought to be closely related to members of the auraria complex.

• 日本遺伝学会の論文
• 2007-02-25

著者

• Miyake Hitoshi

  Department Of Biology Faculty Of Science Ehime University

• WATADA Masayoshi

  Department of Biology & Earth Sciences, Ehime University

• Watada Masayoshi

  Department Of Biology Faculty Of Science Ehime University

• Miyake Hitoshi

  Depart-ment Of Neurosurgery Juzenkai Hospital

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• オナジショウジョウバエとキイロショウジョウバエの日本集団における遺伝的分化-2-量的形質の変異〔英文〕
• The Microdistribution of Drosophila melanogaster and Drosophila simulans : A Survey in the Bonin Islands
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• Molecular phylogeny of the Drosophila auraria species complex and allied species of Japan based on nuclear and mitochondrial DNA sequences
• オナジショウジョウバエとキイロショウジョウバエの日本集団における遺伝的分化-1-アロザイム多型〔英文〕
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