Histological Differentiation of Primordial Germ Cells in Zebrafish
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概要
- 論文の詳細を見る
In this study, primordial germ cells (PGCs) in zebrafish were described histologically using eosinophilic granules as a marker. PGC-like cells (PL-cells) with eosinophilic granules were identified initially at the sphere stage (4-hr postfertilization), and were observed until the bud stage, the earliest stage to which PGCs with proper morphology could be traced. The morphology and distribution of eosinophilic granules in PL-cells changed during epiboly. Mitoses of PL-cells were observed only from the shield to bud stage, after eosinophilic granules aggregated to the perinuclear region in PGCs. These shifts of eosinophilic granules corresponded histologically to those of germ plasm described in Xenopus. These results suggest that eosinophilic granules represent germ plasm in fish and that PL-cells with these granules correspond to the PGCs or presumptive PGCs (pPGCs).
- 社団法人日本動物学会の論文
- 2001-03-10
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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Nagai Terumi
Department of Marine Biology, Graduate School of Marine Science and Technology, Tokai University
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Nagai Terumi
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
Grad. Sch. Of Fish. Sci. Hokkaido Univ.
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Nagai Terumi
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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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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