The interaction of Saccharomyces cerevisiae trehalase with membranes
1993
Plasma membranes isolated from cells of Saccharomyces cerevisiae previously submitted to a heat-shock showed a 10-fold increase in membrane-bound trehalase activity. Trehalase was purified to a high specific activity and was shown to be inhibited by glucose 6-phosphate and by the addition of a neutral phospholipid-like surfactant. Purified trehalase binds spontaneously to egg phosphatidylcholine small unilamellar vesicles, when in its active, phosphorylated form. When the enzyme was treated with alkaline phosphatase no binding was observed. The significance of this reversible binding for the control of trehalose metabolism in yeast cells is still unknown.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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