花粉管是研究顶端生长的理想模式系统。单体GTP结合蛋白ROPs集中定位于花粉管顶端的质膜,通过调控Ca2+梯度来控制植物花粉管的顶端生长。ROP1作为一种多功能的分子开关,通过与RIP (ROP-interacting partner) 的相互作用实现其在花粉管顶端质膜的定位。RIP也具有与肌醇磷脂信号途径中的直接底物磷脂磷脂酰肌醇-4,5-二磷酸结合的位点。本研究拟对这些蛋白之间具体以什么方式互
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数据更新时间:2023-05-31
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