Journal of Okayama Medical Association
Published by Okayama Medical Association

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赤痢菌の代謝に関する研究 第2篇 細菌代謝に於ける二基質の相互作用

Matsuura, Yoshiyuki
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Abstract
This study is carried out to determine the mechanism of mutual action between two substrates which act to accelerate bacterial respiration by their mutual action. From the results of some experiments with some strains of B. dysenteriae, such as Sh. dysenteri 3, Sh. flexneri 1. Sh. flexneri 3, two types of mechanism of the action was discovered, they are as follows. (1) In the case of succinate and aspartate, or succinate and glutamate, these combinations of substrates can accelerate the respiration as compared in the case of each substrate alone. The mechanism of this mutual action included aspartate ⇋ glutamate reaction. (2) In the case of couples in which one substrate is glucose, pyruvate, or succinate and another is tartarate, citrate, histidine, tryptophane, tyrosine, or lysine, these couples of substrates can acceletate the respiration too, in spite of the fact that the latter substrates cannot be oxidized when they are added alone to organisms. The mechanism of this mutual action includes the phosphorous metabolism coupling with oxidation, and addition of the substrates such as tartrate, citrate, etc. to glucose, pyruvate, etc. seemed to activate ATP ⇋ ADP reaction.
ISSN
0030-1558
NCID
AN00032489