. Cell heredity. Cytogenetics. GENETIC CONTROL OF CELL INTEGRATION 335 TABLE Mutations Affecting Formation of the Enzyme Penicillinase in Strains of Bacillus cereus" (After Pollock, 1959, in: The Enzymes (2nd ed.), Boyer, P. D., Lardy, H., and Myrback, K. (eds.), Academic Press, Vol. 1:619) Noninducible Strains Strain 5 ^5 Inducible Strains Strain 569 ("Inducible") Induction-^-569. with penicillin / / / / \ /(^ 25,000^ \ / ^ ^ \ f Deadaptation by growth without penicillin 569M Induction ^ 569M with ^ penicillin V: 35,000 I I Q 75,000^ I I = upper limit of penicillin res
. Cell heredity. Cytogenetics. GENETIC CONTROL OF CELL INTEGRATION 335 TABLE Mutations Affecting Formation of the Enzyme Penicillinase in Strains of Bacillus cereus" (After Pollock, 1959, in: The Enzymes (2nd ed.), Boyer, P. D., Lardy, H., and Myrback, K. (eds.), Academic Press, Vol. 1:619) Noninducible Strains Strain 5 ^5 Inducible Strains Strain 569 ("Inducible") Induction-^-569. with penicillin / / / / \ /(^ 25,000^ \ / ^ ^ \ f Deadaptation by growth without penicillin 569M Induction ^ 569M with ^ penicillin V: 35,000 I I Q 75,000^ I I = upper limit of penicillin resistance in units per ml. (^ = molecules of penicillinase per cell. M = mutation. ° In B cereus mutations have been observed which affect penicillin resistance level, rate of formation of penicillinase, and inducibility of enzyme synthesis by penicillin. These properties vary independently, indicating that each of them is under control of a mutationally different genetic Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Sager, Ruth; Ryan, Francis J. (Francis Joseph), 1916-. New York, Wiley
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