ON THE EFFECTS OF ZINC AND CADMIUM IONS ON THE NEW FLAVIN PHOSPHATE-PRODUCING ACTIVITY OF RHIZOPUS JAVANICUS

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概要

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• 1. By addition of 10-4 to 5×10-3M Zn2+ in the reaction mixture, FMN′-producing activity of the dry mycelia of Rh. javanicus was inhibited.2. Addition of 10-4 to 5×10-3M Zn2+ to the culture medium stimulated the growth and depressed the acid production.3. The zinc-grown mycelia exhibited lower FMN′-forming activity.4. Co-addition of riboflavin to Zn2+ reduced the effects caused by the sole addition of Zn2+.5. By addition of 10-6 to 5×10-5M Cd2+ in the reaction mixture, FMN′-producing activity of the dry mycelia of the mold was inhibited, but the inhibition was reduced when incubation was prolonged.6. Addition of 10-6 to 5×10-5M Cd2+ to the culture medium markedly inhibited the growth, without marked inhibition of acid production.7. The cadmium-grown mycelia exhibited higher FMN′-producing activity than the control.8. Co-addition of riboflavin with Cd2+ failed to reduce the effects caused by the sole addition of Cd2+.9. From these evidences, it was assumed that FMN′ or FMN′-forming enzyme might play a role of regulator between growth and acid production.

• 日本ビタミン学会の論文

著者

• 立花 精

  Department of Chemistry, Faculty fo Science and Engineering, Ritsumeikan Unviersity

• 三木 影靖

  Department of Chemistry, Faculty of Science and Engineering, Ritsumeikan University

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• Cytocidal Action of Riboflavin Cyclic Monophosphate from Rhizopus
• Effect of Thiamine on the L-Malate Fermentation by Schizophyllum commune
• ON THE EFFECTS OF ZINC AND CADMIUM IONS ON THE NEW FLAVIN PHOSPHATE-PRODUCING ACTIVITY OF RHIZOPUS JAVANICUS
• ON THE MICROBIAL ACTIVITIES OF THE NEW FLAVIN PHOSPHATES
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• ON A NEW FLAVIN MONONUCLEOTIDE PRODUCED BY RHIZOPUS ORYZAE
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• THE FORMATION OF NEW FLAVIN PHOSPHATES BY MOLDS

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