微生物の形質維持に関する研究 : (第1報)アミロ菌における標準菌株の選定

概要

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The purpose of this study is to find the mechanism which causes the change in the activity of microorganisms and to estabilish a method to prevent the change.This report describes the results, obtained by using Amylo mold (Rhizopus genus), the monospore isolation of and the measurement of the saccharifying power of the stock strains for the purpose of selecting the strains for this study.One hundred stock strains showed quite a variety in amylase activity, i.e., some of them were suitable for a liquid culutre and some other strains were suitable for a solid culture.Rhizopus javanicus Takeda H-4-2 and Rhizopus hangchow Yamazaki 21-29b were selected as the most powerful strains, for the liquid and solid cultures, respectively. More powerful strains were obtained from Rhizopus javamicus Takeda H-4-2 by repeating Arima's method for simple monospore culture.The strain No.52-10 was selected from these strains as the stable one.
社団法人日本生物工学会の論文
1964-09-15