Plants are able to sense a rise in temperature of several degrees, and appropriately adapt their metabolic and growth processes. To this end, plants produce various signalling molecules that act throughout the plant body. Here, we report that root-derived GA12, a precursor of the bioactive gibberellins, mediates thermo-responsive shoot growth in Arabidopsis. Our data suggest that root-to-shoot translocation of GA12 enables a flexible growth response to ambient temperature changes.

中文翻译：

---

根源性 GA12 有助于拟南芥温度诱导的枝条生长。

植物能够感知温度升高几度，并适当地调整它们的代谢和生长过程。为此，植物会产生各种信号分子，这些信号分子在整个植物体内发挥作用。在这里，我们报告了根衍生的 GA12，一种生物活性赤霉素的前体，介导拟南芥的热响应性枝条生长。我们的数据表明，GA12 的根到茎易位能够灵活地响应环境温度变化。