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J Bacteriol. 1968 August; 96(2): 487-491
Copyright © 1968 American Society for Microbiology. All Rights Reserved.
-Toxin and
-Hemolysin
1 Department of Microbiology, New York University School of Medicine, New York, New York 10016
ABSTRACT
Several preparations of staphylococcal
-toxin and
-lysin were studied in order to compare hemolytic activity with capacity to lyse bacterial protoplasts.
-Lysin in relatively low concentration lysed protoplasts of Sarcina lutea, protoplasts of Streptococcus faecalis, and spheroplasts of Escherichia coli. Lysis of bacterial protoplasts by preparations of
-toxin appeared to be due to contamination of the preparations with
-lysin. Data comparing the protoplast-lysing activity of various lytic agents are presented.
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