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J Bacteriol. 1962 July; 84(1): 95-98
Copyright © 1962, The Williams & Wilkins Company. All Rights Reserved.

A CULTURE OF SALMONELLA INFANTIS OF COMPLEX ANTIGENIC CONSTITUTION

Communicable Disease Center, U.S. Public Health Service, Atlanta, Georgia

ABSTRACT

EDWARDS, P. R. (Communicable Disease Center, U.S. Public Health Service, Atlanta, Ga.), A. C. MCWHORTER, AND G. W. DOUGLAS. A culture of Salmonella infantis of complex antigenic constitution. J. Bacteriol. 84:95–98. 1962—An antigenically complex Salmonella serotype (6,7:z₄₉,r:z₄₉,1,5), in which the antigen z₄₉ is a major component of both phases, is described. Through loss variation, this form gives rise to cultures identical with S. infantis (6,7:r:1,5). Attention is drawn to the similarity of its behavior to that of S. montgomery and S. salinatis, and the possible origin of such complex forms is discussed briefly. The organism is not assigned a name, but is considered simply as a complex form of S. infantis.