Rabbit erythrocyte band 3: a receptor for staphylococcal alpha toxin
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Rabbit erythrocyte band 3: a receptor for staphylococcal alpha toxin.
Enzymes known to specifically cleave the band 3 component of the rabbit erythrocyte membrane were found to reduce both the hemolytic sensitivity to and the binding of the alpha toxin of Staphylococcus aureus. Lectins which bind to band 3 also inhibited the toxin. Lectins which do not bind to band 3 have no effect. Purified band 3, isolated by affinity chromatography on a concanavalin A column, ...
متن کاملUltracentrifugal analysis of staphylococcal alpha toxin.
Ultracentrifugal examination of staphylococcal alpha toxin at different stages of purification showed the presence of a major component having a sedimentation coefficient of 2.8S, present to the extent of more than 90% of the sample, and identifiable with active toxin. Several minor components having S(20,w) values of 11.5S, 8.5S, and 2.0S were detected. The 11.5S component presumably is identi...
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Cooper, Louis Z. (New England Center Hospital, Boston, Mass.), Morton A. Madoff, and Louis Weinstein. Hemolysis of rabbit erythrocytes by purified staphylococcal alpha-toxin: I. Kinetics of the lytic reaction. J. Bacteriol. 87:127-135. 1964.-The hemolytic activity of purified staphylococcal alpha-lysin was found to be directly proportional to toxin concentration and inversely related to the log...
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The rapid phosphatidic acid (PA) formation induced by Clostridium perfringens alpha-toxin was stimulated by AlF4- in rabbit erythrocyte membranes. GTP[gamma S] [guanosine 5'-O-(3-thiotriphosphate)] stimulated the rapid 1,2-diacylglycerol formation and inositol 1,4,5-trisphosphate release induced by the toxin. On the other hand, treatment of erythrocyte lysates with phorbol 12-myristate 13-aceta...
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Crude and purified staphylococcal alpha-toxin were used to demonstrate that the platelet-damaging effect of crude alpha-toxin represents a fifth activity of the alpha-toxin molecule. The homogeneity of the purified toxin employed was demonstrated by ultracentrifugation, Ouchterlony, and immunoelectrophoretic methods. Continuous-flow electrophoretic migration studies demonstrated under a variety...
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ژورنال
عنوان ژورنال: Canadian Journal of Microbiology
سال: 1980
ISSN: 0008-4166,1480-3275
DOI: 10.1139/m80-088