作　　者： ; ; ; ;

机构地区： 河北省农林科学院

出　　处： 《园艺学报》 2002年第6期575-576,共2页

摘　　要： 研究了‘春星’草莓果实成熟时NAD激酶、NADP磷酸酶活性及NAD激酶部分特性。结果表明 ,NAD激酶和NADP磷酸酶活性在果实绿色期到乳白期升高 ,粉红期下降 ,全红期又再次升高。NAD激酶可被Ca2 + 强烈抑制 ,被EGTA (Ca2 + 专一性螯合剂 )激活。随着成熟进程 ,NAD激酶对ATP的依赖性增加。 The activities of NAD kinase and NADP phosphatase and some characteristics of NAD kinase in strawberry fruits during maturation were studied. The results showed that from green to white stage, the activities of NAD kinase and NADP phosphatase increased, but decreased from white to pink stage and increased again from pink to red stage in strawberry fruits. The activity of NAD kinase was inhibited significantly by Ca 2+ and stimulated by EGTA(a calcium chelator). The dependence degree of NAD kinase on ATP was increased with the maturation of strawberry fruits.

关 键 词： 成熟过程 酶活性 草莓 激酶 磷酸酶 钙

领　　域： [农业科学] [农业科学] [生物学]