Activity and Subcellular Localization of Sucrose Synthase in ‘ Starkrimson' Apple during Fruit Development

Li PeiHuan,Dong Xiaoying,Wang Yongzhang,Liu Chenglian,Yuan Yongbing,Li Peng

Activity and Subcellular Localization of Sucrose Synthase in ‘ Starkrimson' Apple during Fruit Development

2002

Li PeiHuan
Dong Xiaoying
Wang Yongzhang
Liu Chenglian
Yuan Yongbing
Li Peng

在‘新红星'苹果果实发育过程中,伴随果糖、葡萄糖和蔗糖的积累,蔗糖合酶的分解活性逐渐下降,而合成活性逐渐升高.苹果果实的蔗糖合酶由分子量为90kD的亚基组成,其免疫信号强度随发育进程而增加.蔗糖合酶主要定位于果肉细胞的细胞质中,发育中后期该酶的分布密度有一定增加.综合结果认为,蔗糖合酶调控发育早期蔗糖的降解和发育后期蔗糖的积累.

Keywords:

Subcellular localization
Molecular biology
Sucrose synthase
Biology
Chemistry
Biochemistry
fruit development

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