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J Bacteriol. 1961 September; 82(3): 342-353
Copyright ©, 1961, The Williams & Wilkins Company. All Rights Reserved.

LYSIS OF BRUCELLAE BY THE COMBINED ACTION OF GLYCINE AND A LYSOZYME-LIKE AGENT FROM RABBIT MONOCYTES

Department of Bacteriology, University of California, Berkeley, California

ABSTRACT

RALSTON, DORIS J. (University of California, Berkeley), B. S. BAER, AND S. S. ELBERG. Lysis of brucellae by the combined action of glycine and a lysozyme-like agent from rabbit monocytes. J. Bacteriol. 82:342–353. 1961.—An acid-extractable lytic material was obtained from rabbit monocytes. It acts on a substrate in the walls of brucellae and has properties similar to egg-white lysozyme. Brucella melitensis strain Rev Is is completely resistant to this agent and also to crystalline lysozyme, but when the cells are exposed to sufficient amounts of glycine, the surface is rendered susceptible to these lytic agents. Rough type Rev Is cells are more susceptible than smooth, and the virulent B. melitensis strain 6015 is most resistant.