A quantitative comparison of the antigenic structure of a virulent and an avirulent strain of Salmonella typhimurium.

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  • 1 October 1969
    • journal article
    • Vol. 17  (4) , 551-8
Abstract
Two strains of Salmonella typhimurium differing greatly in virulence for mice have been examined by various means for their quantitative content of the antigenic determinants 4, 5 and 12. By three methods the virulent strain consistently revealed a content of each of these antigens approximately twice that of the avirulent strain. The implications of this finding for the interpretation of factors involved in bacterial virulence are discussed.