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Antimicrob Agents Chemother. 1974 September; 6(3): 369-371
Copyright © 1974 American Society for Microbiology. All Rights Reserved.

Dihydrofolate Reductase in Pediococcus cerevisiae Strains Susceptible and Resistant to Amethopterin

Frederika Mandelbaum-Shavit and Nathan Grossowicz

Department of Bacteriology, The Hebrew University, Hadassah Medical School, Jerusalem, Israel

ABSTRACT

A mutant strain of Pediococcus cerevisiae was obtained which had 1,000-fold greater resistance to amethopterin than the P. cerevisiae/PteGlu strain. The dihydrofolate reductase level of the mutant was about 60-fold higher than that of the parent. The mutant accumulated folate, though less efficiently than its parent.

Antimicrob Agents Chemother. 1974 September; 6(3): 369-371
Copyright © 1974 American Society for Microbiology. All Rights Reserved.





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