Penicillum citrinumの核酸分解酵素生産におよぼすフィチンの影響

概要

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The effect of phytin on the production of ribonuclease by Penicillum citrinum was investigated.By the addition of phytin to the medium, the production of 3'-phosphodiesterase (3'-PDase) increased about 4 times and 5'-phosphodiesterase (5'-PDase) increased 20 times. In combination tests, phytin components, inositol, Co^<++>, Mg^<++>, and phosphorus, had no effect on the enzyme production. This suggests that phytin itself is effective for promoting ribounclease formation. Peptone and yeast ribonucleic acid were excellent nitrogen sources for both 3'-PDase and 5'-PDase formation in a medium containing phytin. Phytin was a good phosphorus source for the production of both 3'-PDase, and 5'-PDase while other inorganic and organic phosphorus sources seemed to be not so effective. The most suitable time for adding phytin to the medium for 3'-PDase formation was different from the for 5'-PDase formation.
社団法人日本生物工学会の論文
1972-07-25