为了研究马铃薯StHb1蛋白的亚细胞定位情况,采用RT-PCR技术克隆到马铃薯StHb1基因cDNA序列,并成功构建了StHb1基因与绿色荧光蛋白基因的融合表达载体pBI121-StHb1 -GFP.利用农杆菌介导法将重组载体转化洋葱内表皮细胞,通过荧光显微镜观察融合蛋白的瞬时表达以确定StHb1蛋白在细胞内的分布.结果表明StHb1蛋白主要分布于细胞核中.
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