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Germ Cell Lineage from a Single Blastomere at 8-Cell Stage in Shiro-uo (ice goby)

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Title: Germ Cell Lineage from a Single Blastomere at 8-Cell Stage in Shiro-uo (ice goby)
Authors: Saito, Taiju Browse this author
Otani, Satoshi Browse this author
Nagai, Terumi Browse this author
Nakatsuji, Takao Browse this author
Arai, Katsutoshi Browse this author →KAKEN DB
Yamaha, Etsuro Browse this author →KAKEN DB
Keywords: primordial germ cells (PGCs)
cell lineage
Issue Date: Sep-2002
Publisher: 日本動物学会
Journal Title: Zoological Science
Volume: 19
Issue: 9
Start Page: 1027
End Page: 1032
Abstract: 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.
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
Type: article
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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