Molecular cytogenetic characterization of 55 ribosomal DNA in the harvestman Psathyropus tenuipes (Arachnida : Opiliones)
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概要
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Entire 5S ribosomal DNA (rDNA), including 120 bp of rRNA gene and 142 bp of non-transcribed spacer (NTS) regions of Psathyropus tenuipes (Arachnida, Opiliones, Sclerosomatidae), a harvestman which usually bears several B-chromosomes, was sequenced and mapped on the spermatogonial metaphases using fluorescence in-situ hybridization (FISH). The signals of 5S rDNA were detected on the terminal region of one pair of C-band-negative autosomal chromosomes, showing that the 5S rDNA cluster is localized to A chromosome in this species, but not to B chromosome known as a rDNA carrier in other arthropods.
- 2009-07-01
著者
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Watanabe Mai
Department Of Biology Faculty Of Science Toho University
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TSURUSAKI Nobuo
Laboratory of Biology, Faculty of Regional Sciences, Tottori University
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KUBOTA Souichirou
Department of Biology, Faculty of Science, Toho University
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Kubota Souichirou
Department Of Biology Faculty Of Science Toho University
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Tsurusaki Nobuo
Laboratory Of Biology Faculty Of Education And Regional Sciences Tottori University
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