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Inhibition of respiratory enzyme synthesis in yeast by chloramphenicol: Relationship between chloramphenicol tolerance and resistance to other antibacterial antibiotics

Published online by Cambridge University Press:  14 April 2009

D. Wilkie ,
G. Saunders  and
Anthony W. Linnane
D. Wilkie
Affiliation:
Department of Biochemistry, Monash University, Clayton, Victoria, Australia
G. Saunders
Affiliation:
Department of Biochemistry, Monash University, Clayton, Victoria, Australia
Anthony W. Linnane
Affiliation:
Department of Biochemistry, Monash University, Clayton, Victoria, Australia
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Individual yeast strains show characteristic differences in the amount of chloramphenicol required to inhibit the synthesis of the respiratory system. This varies from 0·05 mg./ml. to 4 mg./ml. A correlation between chloramphenicol and tetracycline resistance appears likely but no correlation between chloramphenicol and erythromycin resistance was observed. These relationships were emphasized by cross-checking spontaneous resistant mutants for each antibiotic. Nearly all mutants showing spontaneous resistance to chloramphenicol had a simultaneous increase in tetracycline resistance but no increase in erythromycin resistance. Spontaneous resistance to erythromycin on the other hand, had no striking effect on tolerance levels to chloramphenicol and tetracycline. Increases in erythromycin resistance were commonly accompanied by an increase in resistance to other macrolide antibiotics. There are similarities between these effects and those described for certain bacterial systems.

Information

Type
Short Papers
Information
Genetics Research , Volume 10 , Issue 2 , October 1967 , pp. 199 - 203
Copyright
Copyright © Cambridge University Press 1967

References

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