نتایج جستجو برای: phospholipase c
تعداد نتایج: 1066406 فیلتر نتایج به سال:
The phospholipase C-mediated hydrolysis of phosphatidylcholine has been shown recently to be activated by a number of agonists. Muscarinic receptors, which trigger various signal transduction mechanisms including inhibition of adenylate cyclase through Gi, have been shown to be potent stimulants of this novel phospholipid degradative pathway. We demonstrate here, by exogenous addition of Bacill...
Using a system of phosphatidylcholine-cholesterol vesicles to model the vesicle phase of mammalian bile (1:1 molar ratio) we evaluated whether very small amounts of C. perfringens phospholipase C activity (0.5-6.5 nmol/min per ml) could lead to vesicle fusion, a precursor step for cholesterol precipitation in gallbladder bile. Quasielastic light scattering spectroscopy (QLS) was used to monitor...
We have examined the effects of phospholipase C from Bacillus cereus on the extent of phospholipid hydrolysis in envelope membrane vesicles and in intact chloroplasts. When isolated envelope vesicles were incubated in presence of phospholipase C, phosphatidylcholine and phosphatidylglycerol, but not phosphatidylinositol, were totally converted into diacylglycerol if they were available to the e...
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