Grafting of Center Cells of Horseshoe Crab Embryos into Host Embryos at Different Developmental Stages

概要

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The center cells of horseshoe crab embryos at the early gastrula stage induced secondary embryos after grafting into embryos at same stage and into late blastula stages. However, when the center cells of embryos at early gastrula stage were grafted into embryos at the stage of early cleavage, secondary embryos were not formed. Secondary embryos were not induced after grafting center cells into embryos at the late gastrula stage or after. These results indicate that the center cells of the early gastrula cannot induce secondary embryos at stages other than the early gastrula and late blastula. However, center cells of embryos at stages later than the early gastrula did induce secondary embryos. These center cells of later embryos were grafted into embryos at the early gastrula and late blastula stage, and secondary embryos were induced. This indicates that center cells of embryos after the early gastrula stage retain the ability of embryonic induction.
社団法人日本動物学会の論文
1993-02-15