土壤中における放線菌の分布 : (第7報) Microbispora属およびStreptosporangium属の選択的平板分離法 : (その2) 分離株の分類

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The present paper is to report the results of a taxonoinic investigation of actionomycetes belonging to Microbispora, Streptosporangium and other groups, which were isolated from soil by the method described in the preceding paper (Part 1).The 112 isolates obtained were identified as follows : (a) Genus Microbispora; thermophilic 3 spp. and mesophilic 5 spp.. One of the mesophiles, Mb. parva grew at 50℃. (b) Genus Streptosporafium; aerial mass colors were pink (5spp.) or greenish gray (2 spp.). 3 of these species grew at 42℃, while the others did not grow at this temperature. (c) Genus Thermomonospora (1 sp.)., genus Thermoactionomyces (2 spp.) and a speaial group of Streptomyces.(Table la, 1b)Six groups, 2 of Mb, 4 of Ss., were described as new species or varieties. (See descripion) Growth inhibitory effect of sugar was observed in some thermophiles. (Table 3,4,Fig. 1). The growth of Ta. vulgaris T-86 on an oatmeal agar medium containing a 0.2% yeast extract was completely inhibited by an addition of glucose (sterilized by filtration) at 0.5〜2% to the medium; however, when the amount of the yeast extract was increased to about 1%, the organism grew well.
社団法人日本生物工学会の論文
1969-11-25