Germ Cell Lineage from a Single Blastomere at 8-Cell Stage in Shiro-uo (ice goby)
スポンサーリンク
概要
- 論文の詳細を見る
Shiro-uo (ice goby; teleost fish), Leucopsarion petersii, shows a unique cleavage pattern characterized by two tires of blastomeres at 8-cell stage, like that of echinoderm and amphibian embryo. Such a pattern is suitable to isolation and cell lineage experiments. In this study, cell lineage of germ-line was traced by histological observation and cell labelling experiment at the 8-cell stage. Primordial germ cells (PGCs) were first detected histologically at the 10-somite stage, and migrated to gonadal anlage at 10 days post-fertilization, through usual way described in other teleost species. When a single blastomere was labelled with tracer dye at 8-cell stage, both upper and lower tires generated labelled PGCs at gonadal anlage although upper tires occasionally. This result suggests that all blastomeres at the 8-cell stage have potential to produce PGCs in shiro-uo.
- 社団法人日本動物学会の論文
- 2002-09-25
著者
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YAMAHA Etsuro
Nanae Fresh Water Laboratory, Field Science Center for Northern Biosphere, Hokkaido University
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ARAI Katsutoshi
Laboratory of Breeding Science, Graduate School of Fisheries Science, Hokkaido University
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Saito Taiju
Laboratory of Breeding Science, Graduate School of Fisheies Science, Hokkaido University
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Otani Satoshi
Laboratory of Breeding Science, Graduate School of Fisheries Sciences, Hokkaido University
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Nagai Terumi
Department of Marine Biology, Graduate School of Marine Science and Technology, Tokai University
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Nakatsuji Takako
Laboratory of Breeding Science, Graduate School of Fisheries Sciences, Hokkaido University
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Yamaha Etsuro
Nanae Fresh Water Laboratory Field Science Center For Northern Biosphere Hokkaido University
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Yamaha Etsuro
Nanae Fish Culture Experimental Station Faculty Of Fisheries Hokkaido University
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Nagai Terumi
Department Of Marine Biology Graduate School Of Marine Science And Technology Tokai University
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Nagai Terumi
Department Of Biology Faculty Of Science Toyama University
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Nagai Terumi
Grad. Sch. Of Fish. Sci. Hokkaido Univ.
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Otani Satoshi
Laboratory Of Breeding Science Graduate School Of Fisheries Sciences Hokkaido University
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Nagai T
Department Of Marine Biology Graduate School Of Marine Science And Technology Tokai University
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Arai K
Laboratory Of Breeding Science Graduate School Of Fisheries Science Hokkaido University
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Nakatsuji Takako
Laboratory Of Breeding Science Graduate School Of Fisheries Sciences Hokkaido University
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Arai Katsutoshi
Laboratory Of Breeding Science Graduate School Of Fisheries Sciences Hokkaido University
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Arai Katsutoshi
Grad. Sch. Of Fish. Sci. Hokkaido Univ.
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Nakatsuji Takao
Laboratory of Breeding Science, Graduate School of Fisheries Sciences, Hokkaido University
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