Initiation of the Earliest Nuclear Event in Fertilization of Paramecium by the Microinjection of Calcium Buffer

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概要

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• Microinjection of Ca^<++>/EGTA buffer into the cells of Paramecium caudatum induces the early micronuclear migration (EMM). The induction of EMM was observed when mating reactive cells were injected with 3.4×10^<-6>M or 1.5×10^<-5>M Ca^<++>/EGTA buffer, but not observed in non-reactive cells. In control experiments, 2.0×10^<-8>M Ca^<++>/EGTA buffer, 5 mM MgCl_2, 50 mM NaCl, 50 mM and 300 mM KCl solutions were injected. No significant differences were observed between the control cells and uninjected cells. These results suggest that the increase in intracellular free calcium concentration initiates the earliest nuclear event in the process of conjugation in Paramecium.

• 社団法人日本動物学会の論文
• 1993-10-15

著者

• Xianyu Yang

  Department Of Biotechnology Ishinomaki Shenshu University

• Haga Nobuyuki

  Department of Biotechnology, Ishinomaki Shenshu University

• Haga N

  Ishinomaki Senshu Univ. Ishinomaki Jpn

• Haga Nobuyuki

  Department Of Biological Engineering Faculty Of Science And Engineering

• Yang Xianyu

  Department of Biotechnology, Ishinomaki Shenshu University

関連論文

• Initiation of the Earliest Nuclear Event in Fertilization of Paramecium by the Microinjection of Calcium Buffer
• Interspecific Pair Formation Induced by Natural Mating Reaction in Paramecium
• Stability in locomotive function of cilia according to clonal aging in Paramecium
• MOLECULAR PROGRAMMING FOR THE RECOVERY OF CELLULAR FUNCTIONS IN OLD PARAMECIUM BY IMMATURIN(Developmental Biology)(Proceedings of the Seventy-Third Annual Meeting of the Zoological Society of Japan)
• TELOMERE ELONGATION AND AGE-INDEPENDENT CELLULAR FUNCTIONS DURING CLONAL AGING IN PARAMECIUM(Cell Biology and Morphology,Abstracts of papers presented at the 76^ Annual Meeting of the Zoological Society of Japan)

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