Department of Plant Biotechnology and Bioinformatics, Ghent University, and Center for Plant Systems Biology, VIB, 9052 Ghent, Belgium.
Mol Plant Microbe Interact. 2017 Sep;30(9):683-690. doi: 10.1094/MPMI-02-17-0051-CR. Epub 2017 Jul 18.
Strigolactones are well-known endogenous plant hormones that play a major role in planta by influencing different physiological processes. Moreover, ex planta, strigolactones are important signaling molecules in root exudates and function as host detection cues to launch mutualistic interactions with arbuscular mycorrhizal fungi in the rhizosphere. However, parasitic plants belonging to the Orobanchaceae family hijacked this communication system to stimulate their seed germination when in close proximity to the roots of a suitable host. As a result, the secretion of strigolactones by the plant can have both favorable and detrimental outcomes. Here, we discuss these dual positive and negative effects of strigolactones and we provide a detailed overview on the role of these molecules in the complex dialogs between plants and different organisms in the rhizosphere.
独脚金内酯是一类熟知的植物内源激素，通过影响不同的生理过程在植物中发挥重要作用。此外，独脚金内酯作为根系分泌物中的重要信号分子，可被宿主当作启动共生关系的信号，与根围中的丛枝菌根真菌建立共生关系。然而，属于列当科的寄生植物则劫持了这一通讯系统，当它们靠近合适宿主的根部时，会刺激种子发芽。因此，植物独脚金内酯的分泌既可能带来有利影响，也可能带来不利影响。在这里，我们讨论了独脚金内酯的这双重积极和消极作用，并详细概述了这些分子在植物与根围中不同生物之间复杂对话中的作用。
