Histological Differentiation of Primordial Germ Cells in Zebrafish

Nagai, Terumi; Yamaha, Etsuro; Arai, Katsutoshi


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Histological Differentiation of Primordial Germ Cells in Zebrafish

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Please use this identifier to cite or link to this item:http://hdl.handle.net/2115/32942

Title:	Histological Differentiation of Primordial Germ Cells in Zebrafish
Authors:	Nagai, Terumi Browse this author
	Yamaha, Etsuro Browse this author →KAKEN DB
	Arai, Katsutoshi Browse this author →KAKEN DB
Issue Date:	Mar-2001
Publisher:	日本動物学会
Journal Title:	Zoological Science
Volume:	18
Issue:	2
Start Page:	215
End Page:	223
Abstract:	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).
Rights:	(c) 日本動物学会 / 本文献の公開は著者の意思に基づくものである
Relation:	http://www.bioone.org/perlserv/?request=get-archive&issn=0289-0003
Type:	article
URI:	http://hdl.handle.net/2115/32942
Appears in Collections:	水産科学院・水産科学研究院 (Graduate School of Fisheries Sciences / Faculty of Fisheries Sciences) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 荒井克俊

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