Abstract
Lark, Cynthia (Saint Louis University, St. Louis, Mo.) and Robert Schichtel. Comparison of spheroplast induction in Alcaligenes faecalis by three different agents. J. Bacteriol. 84:1241–1244. 1962.—Alcaligenes faecalis strain LB was exposed to different concentrations of cycloserine, d-methionine, or penicillin. The time course of spheroplast induction by these agents was measured as a function of their concentration. The results were consistent with models in which cycloserine reversibly inhibited an intracellular enzyme, and d-methionine was built into a defective cell-wall unit. Penicillin simulated cycloserine. This was taken as further evidence that penicillin inhibits an enzyme associated with cell-wall synthesis.
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