Phylogenetic Relationships between Vorticella convallaria and Other Species Inferred from Small Subunit rRNA Gene Sequences(Taxonomy)
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概要
- 論文の詳細を見る
Vorticellid ciliates generally dwell in freshwater. In nature, the species have up until now been identified by comparison with previous descriptions. It is difficult to identify between species of the genus Vorticella, because the morphological markers of vorticellid ciliates described in reports are limited and variable. Unfortunately, culturing them has only succeeded with certain species such as Vorticella convallaria, but many others have been impossible to culture. To find out whether the sequence of a small subunit rRNA gene was an appropriate marker to identify vorticellid ciliates, the gene was aligned and compared. Finding a new convenient method will contribute to research on vorticellid ciliates. In strains of V. convallaria, classified morphologically, some varieties of the SSrRNA gene sequences were recognized, but there were large variations within the same species. According to the phylogenetic tree, these strains are closely related. However, the difference was not as big as between Vorticella and Carchesium. In addition, Carchesium constructed a distinct clade from the genus Vorticella and Epistylis. These results show the possibility that the SSrRNA gene is one of the important markers to identify species of Vorticella. This study is first to approach and clarify the complicated taxa in the genus Vorticella.
- 社団法人日本動物学会の論文
- 2002-08-25
著者
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Itabashi Takeshi
Faculty of Pharmaceutical Sciences, Hoshi University
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Asai H
Waseda Univ. Tokyo Jpn
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Iizuka Toru
Laboratory Of Pharmacognosy Yokohama College Of Pharmacy
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Itabashi Takeshi
Department of Physics, School of Science and Engineering, Waseda University
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Asai Hiroshi
Department of Physics, School of Science and Engineering, Waseda University
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Mikami Kazuyuki
Environmental Education Center, Miyagi University of Education
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Fang Jie
Department of Physics, School of Science and Engineering, Waseda University
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Itabashi Takeshi
Department Of Physics Faculty Of Science And Engineering Waseda
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Itabashi Takeshi
Department Of Physics School Of Science And Engineering Waseda University
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Ishizaki Takayuki
Tamagawa University Research Institute
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Fang J
Waseda Univ. Tokyo Jpn
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Fang Jie
Department Of Bioscience And Biomedical Engineering Graduate School Of Science And Engineering Wased
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Mikami Kazuyuki
Environmental Education Center Miyagi University Of Education
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Asai Hiroshi
Department Of Bioscience And Biomedical Engineering Graduate School Of Science And Engineering Wased
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