Abstract
Kawakami, Masaya (Gunma University, Maebashi, Japan), and Susumu Mitsuhashi. Experimental salmonellosis. IV. Lipid content of toxin L obtained from Salmonella enteritidis. J. Bacteriol. 89:193–197. 1965.—An improved method is described for the chromatographic purification of toxin L from virulent Salmonella enteritidis. Toxin L is heat-labile, and its toxicity is reduced by trypsin and by phospholipase A treatment. Chemical studies of chromatographically and ultracentrifugally homogeneous toxin preparations show that toxin L is a phosphorus-containing protein. The infrared-absorption spectrum of a petroleum ether extract of toxin L hydrolysate indicates that this material possesses a lipid component.
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