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Changes of sink activity and soluble protein during tap-root thickening in Raphanus sativus L.
Author(s): 
Pages: 39-43
Year: Issue:  1
Journal: JOURNAL OF ZHEJIANG UNIVERSITY(AGRICULTURE & LIFE SCIENCES)

Keyword:  萝卜肉质根库活性转化酶SDS-PAGE;
Abstract: 通过对萝卜肉质根膨大过程中干物质在根、冠部的分配以及蔗糖代谢相关酶活性变化等的研究,结果发现在播种后27 d根部库活性最强,碳水化合物主要向地下部输送,直根开始膨大.库活性的变化与蔗糖转化酶活性无明显相关性.对可溶性蛋白进行SDS-PAGE分析发现,虽然叶片中蛋白质表达无明显差异,但在播后24 d直根中有一条特异蛋白质条带出现,其表达量随肉质根生长而加大,其作用有待进一步验证.
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