نتایج جستجو برای: bacterial toxins
تعداد نتایج: 221164 فیلتر نتایج به سال:
Hemolytic viruses, bacterial and animal toxins, the components of activated complement, cationic proteins, and detergents induce a sequence of permeability changes at the plasma membrane that are in every case sensitive to changes in ionic strength and to divalent cations. Individually, each agent exhibits positive cooperativity; when two agents are present together, they show synergy. It is co...
Bacterial pathogens produce protein toxins to influence host-pathogen interactions and tip the outcome of these encounters toward the benefit of the pathogen. Protein toxins modify host-specific targets through posttranslational modifications (PTMs) or noncovalent interactions that may inhibit or activate host cell physiology to benefit the pathogen. Recent advances have identified new PTMs and...
AIMS To investigate the hypothesis that commonly occurring bacterial toxins cause sudden infant death syndrome (SIDS) by (1), determining in which tissues bacterial toxins are concentrated after intravenous injection in rats; and (2), seeing if the same tissues contain detectable toxins in cases of SIDS. METHODS The tissue distribution of intravenously injected staphylococcal enterotoxin A (S...
Toxin-antitoxin (TA) modules are ubiquitous molecular switches controlling bacterial growth via the release of toxins that inhibit cell proliferation. Most of these toxins interfere with protein translation, but a growing variety of other mechanisms hints at a diversity that is not yet fully appreciated. Here, we characterize a group of FIC domain proteins as toxins of the conserved and abundan...
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