RESPONSE OF A TRUE SLIME MOLD, Physarum polycephalum, TO SALT STRESS II : The Effects of The Inhibitors for RNA and Protein Syntheses on Stress-induced Microcyst Formation
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概要
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As reported before, under high salt conditions, haploid myxoamoebae of a true slime mold, Physarum polycephalum retract their pseudopodia and change their cell shape into disk-like form, after which they construct the cell wall to form their dormant type, microcysts. We found the change of the intracellular distribution of actin filaments associated with the cellular morphological changes from myxoamoebae to microcysts, and the induction of syntheses of some species of stress proteins, among which 66kD protein, p66 was most prominently induced (1,2). But we did not know whether the induction of these proteins are completely necessary for the process of cyst formation. In this report, we examined the effects of the inhibition of RNA and protein syntheses using some inhibitors for their syntheses on stress-induced microcyst formation to know whether the expression of new RNA and proteins are necessary for the induction of morphological changes. And we showed that newly synthesized RNA and protein (s) were necessary for the stress-induced microcyst formation.
- お茶の水女子大学の論文
著者
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NISHIKAWA Keiko
Department of Chemistry, Faculty of Education, Yokohama National University
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Nishikawa Keiko
Department Of Biology Faculty Of Science Ochanomizu University
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Uchiyama Naoko
Department of Biology, Faculty of Science, Ochanomizu University
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Murakami-Murofushi Kimiko
Department of Biology, Faculty of Science, Ochanomizu University
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Shimizu Seki
Department of Biology, Faculty of Science, Ochanomizu University
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Shimizu Seki
Department Of Biology Faculty Of Science Ochanomizu University
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Uchiyama Naoko
Department Of Biology Faculty Of Science Ochanomizu University
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Murakami-murofushi Kimiko
Department Of Biology Faculty Of Science Ochanomizu University
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