放射状菌の分類に關する研究 : (第5報)Streptomyces spec. No. 240の形態

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We researched microscopic morphological characters of Streptomyces spec. No. 240.This strain was isolated from soil in our laboratory. The morphological characters are considerably different from the strains reported in III and IV. On the CZAPEK-Dox agar, glucose-asparagine agar, CB-II agar, CB-III agar, CB-IV agar, the aerial mycelia are well developed, white and cottony, and have many long straight filaments projected outward radially. The long straight filaments are branched in monopodial forms, or divided two or three branches from one filament and they do not break into oidiospores, but give rise to short side branches developing to dextrorse, compact spirals. The spiral branches are mostly not branched but break into oidiopores. The spirals have a diameter of 2.5 to 5.0μ; 2 to 7 (occasionaly about 13) turns.The aerial hyphae have a diameter of 0.6 to 1.4μ, and no septa. The oidiospores are oval or short rod-shaped; 0.8 to 1.4 by 1.0 to 1.6μ.
社団法人日本生物工学会の論文
1954-12-15