Effect of chloramphenicol and ethidium bromide on the level of ornithine carbamoyltransferase in Neurospora crassa
Journal Article
·
· J. Bacteriol.; (United States)
OSTI ID:5447215
The specific activity of the nuclear-gene-encoded, mitochondrial arginine biosynthetic enzyme ornithine carbamoyltransferase in Neurospora crassa was elevated in mycelia treated with chloramphenicol or ethidium bromide. The increase in specific activity was caused by an increase in the number of mature enzyme molecules rather than by the activation of a preexisting enzyme. Chloramphenicol and ethidium bromide appeared to act indirectly via arginine-mediated derepression. However, derepression did not appear to result from a drug-mediated decrease in the arginine pool.
- Research Organization:
- Univ. of California, Los Angeles
- OSTI ID:
- 5447215
- Journal Information:
- J. Bacteriol.; (United States), Journal Name: J. Bacteriol.; (United States) Vol. 166:2; ISSN JOBAA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
560303* -- Chemicals Metabolism & Toxicology-- Plants-- (-1987)
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
ANTI-INFECTIVE AGENTS
ANTIBIOTICS
BIOLOGICAL EFFECTS
BROMIDES
BROMINE COMPOUNDS
CELL CONSTITUENTS
CHLORAMPHENICOL
DRUGS
ENZYME ACTIVITY
ENZYMES
FUNGI
HALIDES
HALOGEN COMPOUNDS
MITOCHONDRIA
NEUROSPORA
ORGANOIDS
PLANTS
TRANSFERASES
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
ANTI-INFECTIVE AGENTS
ANTIBIOTICS
BIOLOGICAL EFFECTS
BROMIDES
BROMINE COMPOUNDS
CELL CONSTITUENTS
CHLORAMPHENICOL
DRUGS
ENZYME ACTIVITY
ENZYMES
FUNGI
HALIDES
HALOGEN COMPOUNDS
MITOCHONDRIA
NEUROSPORA
ORGANOIDS
PLANTS
TRANSFERASES