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Recently, we investigated characteristics of a bacterium which has never been reported as an inulin hydrolyzing microorganism. Several properties of the isolated microorganism were aerobic, rod typed, spore forming and Gram positive. According to the Bergey´s manual, this bacterium tentatively appeared to be Bacillum subtilis. This bacterium produced inulase constitutively in the media containing glucose, sucrose or cellulose without inulin as a sole carbon source. Also, inulase activities of the bacterium per unit culture volume showed 1.1 unit/㎖ comparable to 0.9 unit/㎖ of Kluyveromyces fragilis with a relatively short culture time.
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