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  • Title: FINE STRUCTURE OF BRUCELLA SUIS SPHEROPLASTS.
    Author: HINES WD, FREEMAN BA, PEARSON GR.
    Journal: J Bacteriol; 1964 Jun; 87(6):1492-8. PubMed ID: 14188733.
    Abstract:
    Hines, William D. (University of Chicago, Chicago, Ill.), Bob A. Freeman, and Gary R. Pearson. Fine structure of Brucella suis spheroplasts. J. Bacteriol. 87:1492-1498. 1964.-Spheroplasts of Brucella suis, prepared by treatment with penicillin and glycine, and normal cells were sectioned and studied by electron microscopy. These spheroplasts differed from the normal cell in that they were greatly expanded and coccoid in shape. The cell wall and cytoplasmic membrane were more easily demonstrated in the spheroplasts. The cell wall and cytoplasmic membrane of normal cells appeared structureless, but in the spheroplasts both were shown to consist of two dark layers sandwiching a lighter layer. The cytoplasm of the spheroplasts was more dilute than that of normal cells and, in the case of glycine-induced spheroplasts, tended to aggregate.
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