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Receptors, repressors, PINs: a playground for strigolactone signaling

机译:受体,阻遏物,PIN:用于产生内酯基内酯信号的游乐场

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Strigolactones, previously identified as active stimuli of seed germination in parasitic plants, are now recognized as a new group of plant hormones that are active in both shoots and roots. Here, we review recent insights into the concepts of strigolactones-signal transduction and their mode of action. Although strigolactones are sensed via a cell-specific reception system, at least some aspects of their activity are conducted in a non-cell-autonomous fashion. Strigolactones also affect trafficking and plasma-membrane localization of the auxin transporter PIN, thereby regulating auxin flux. We present a model for strigolactone-signal transduction that might also explain the integration of strigolactones into other hormone-signaling pathways via the regulation of PIN auxin transporters.
机译:以前被认为是寄生植物中种子萌发的活性刺激物的Strigolactones,现在被认为是在芽和根中均具有活性的一组新的植物激素。在这里,我们回顾了对strigolactones信号转导的概念及其作用方式的最新见解。尽管可通过细胞特异的接收系统感测松果内酯,但其活性的至少某些方面是以非细胞自主方式进行的。硬脂酸内酯还影响生长素转运蛋白PIN的运输和血浆膜定位,从而调节生长素通量。我们提出了一种Strigolactone信号转导的模型,该模型也可以解释通过PIN生长素转运蛋白的调节将strigolactones整合到其他激素信号通路中。

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