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  • Title: Functional characteristics of phosphatidylinositol-specific phospholipases C from Bacillus cereus and Bacillus thuringiensis.
    Author: Volwerk JJ, Koke JA, Wetherwax PB, Griffith OH.
    Journal: FEMS Microbiol Lett; 1989 Oct 15; 52(3):237-41. PubMed ID: 2558947.
    Abstract:
    Phosphatidylinositol-specific phospholipase C was purified from the culture medium of B. thuringiensis to high specific activity using a procedure we recently described for purification of PI-PLC from B. cereus (Volwerk et al. (1989) J. Cell. Biochem. 39, 315-325). The purified enzymes from B. thuringiensis and B. cereus have similar specific activities towards hydrolysis of the membrane lipid phosphatidylinositol, and also towards hydrolysis of the glycosyl-phosphatidylinositol-containing membrane anchor of bovine erythrocyte acetylcholinesterase. These results indicate very similar catalytic properties for the structurally homologous PI-specific phospholipases C secreted by these bacilli.
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