نتایج جستجو برای: toxin formation
تعداد نتایج: 575855 فیلتر نتایج به سال:
PURPOSE The purpose of this study was to identify alpha-subunits of heterotrimeric guanosine triphosphate-binding proteins in lens cell populations at various stages of terminal differentiation. METHODS Crude cell membranes were isolated from the annular pad, cortical fibers, and nuclear fibers of adult chickens and subjected to cholera and pertussis toxin-mediated ribosylation reactions. Spe...
Staphylococcus aureus causes many diseases in humans, ranging from mild skin infections to serious, life-threatening, superantigen-mediated Toxic Shock Syndrome (TSS). S. aureus may be asymptomatically carried in the anterior nares or vagina or on the skin, serving as a reservoir for infection. Pulsed-field gel electrophoresis clonal type USA200 is the most widely disseminated colonizer and the...
Diphtheria toxin ( DTx ) is an extremely potent inhibitor of protein synthesis. It is secreted as a linear polypeptide, which is cleaved to produce disulfide-linked A and B fragments. Fragment A, the inhibitor of protein synthesis, requires fragment B, the recognition subunit, for entry into intact cells. Fragment B has been proposed to form a transmembrane channel through which A gains access ...
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