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Your search keyword '"Dekker, C. A."' showing total 3 results
Start Over Author "Dekker, C. A." Topic fungi Publication Year Range More than 50 years ago
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3. Control by cesium and intermediates of the citric acid cycle of extracellular ribonuclease and other enzymes involved in the assimilation of nitrogen.

Author

Holloman WK and Dekker CA

Subjects
Ammonia pharmacology, Chlorides pharmacology, Citrates pharmacology, Cycloheximide pharmacology, Dactinomycin pharmacology, Enzyme Induction, Fumarates pharmacology, Galactosidases biosynthesis, Glutarates pharmacology, Histidine, Lyases biosynthesis, Malates pharmacology, Mercaptopurine pharmacology, Methylamines pharmacology, Nitrates, Oxaloacetates pharmacology, Oxidoreductases biosynthesis, Phenylalanine pharmacology, Succinates pharmacology, Sucrase biosynthesis, Xanthine Oxidase biosynthesis, Cesium pharmacology, Citric Acid Cycle, Fungi enzymology, Nitrogen metabolism, Ribonucleases biosynthesis
Abstract

Synthesis of extracellular ribonuclease is induced in cell cultures of Ustilago sphaerogena that are starved for nitrogen and exposed to the gratuitous inducer, 6-mercaptopurine. Cesium, ammonium, or alkylammonium ion represses ribonuclease induction. Addition of citric-acid cycle intermediates to cesium ionrepressed cultures partially restores the rate of ribonuclease synthesis to the induced level. Enzymes involved in assimilation of nitrogen from different sources are also repressed by cesium ion and derepressed by intermediates from the citric acid cycle.

Published
1971
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