| 草莓成熟过程中NAD激酶、NADP磷酸酶活性 |
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| 引用本文： | 顾采琴,关军锋,席玙芳,李广敏.草莓成熟过程中NAD激酶、NADP磷酸酶活性[J].园艺学报,2002,29(6):575-576. |
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| 作者姓名： | 顾采琴 关军锋 席玙芳 李广敏 |
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| 作者单位： | ( 浙江大学农工食品学院, 杭州310029; 河北省农林科学院农业物理生理生化研究所, 石家庄050051) |
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| 基金项目： | 河北省农林科学院博士基金资助项目 |
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| 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。
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| 关 键 词： | 草莓 果实 发育 NAD 激酶 NADP 磷酸酶 钙 |
| 文章编号： | 0513-353X(2002)06-0575-02 |
| 修稿时间： | 2002年4月18日 |
The Activities of NAD Kinase and NADP Phosphatase and Some Characteristics of NAD Kinase in Strawberry during Fruit Maturation |
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| Gu Caiqin ,Guan Junfeng ,Xi Yufang ,and Li Guangmin.The Activities of NAD Kinase and NADP Phosphatase and Some Characteristics of NAD Kinase in Strawberry during Fruit Maturation[J].Acta Horticulturae Sinica,2002,29(6):575-576. |
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| Authors: | Gu Caiqin Guan Junfeng Xi Yufang and Li Guangmin |
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| Institution: | ( Agri-industry Food College, Zhej iang University , Hangzhou 310029, China; Institute of Agro-Physic, Plant Physiology and Biochemistry , Hebei Academy of Agriculture and Forestry Sciences , Shijiaz huang 050051, China) |
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| Abstract: | 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. |
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| Keywords: | Strawberry Fruit Development NAD kinase NADP phosphatase Calcium |
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