García-Garrido J M, Lendzemo V, Castellanos-Morales V, Steinkellner S, Vierheilig Horst
Departamento de Microbiología, Estación Experimental de Zaidín, CSIC, 18008, Granada, Spain.
Institute of Agricultural Research for Development, Maroua, P.O. Box 33, Maroua, Cameroon.
Mycorrhiza. 2009 Sep;19(7):449-459. doi: 10.1007/s00572-009-0265-y. Epub 2009 Jul 21.
Although strigolactones play a critical role as rhizospheric signaling molecules for the establishment of arbuscular mycorrhizal (AM) symbiosis and for seed germination of parasitic weeds, scarce data are available about interactions between AM fungi and strigolactones. In the present work, we present background data on strigolactones from studies on their seed germination activity on the parasitic weeds Orobanche and Striga, the importance of nitrogen and phosphorus for this seed germination activity, and what this could mean for AM fungi. We also present results on the susceptibility of plants to AM fungi and the possible involvement of strigolactones in this AM susceptibility and discuss the role of strigolactones for the formation and the regulation of the AM symbiosis as well as the possible implication of these compounds as plant signals in other soil-borne plant-microbe interactions.
尽管独脚金内酯作为根际信号分子，在丛枝菌根（AM）共生的建立以及寄生杂草种子萌发过程中发挥着关键作用，但关于AM真菌与独脚金内酯之间相互作用的数据却十分匮乏。在本研究中，我们展示了有关独脚金内酯的背景数据，这些数据来自对其对寄生杂草列当属和独脚金属种子萌发活性的研究、氮和磷对该种子萌发活性的重要性，以及这对AM真菌可能意味着什么。我们还展示了植物对AM真菌的敏感性结果，以及独脚金内酯在这种AM敏感性中可能的参与情况，并讨论了独脚金内酯在AM共生形成和调节中的作用，以及这些化合物作为植物信号在其他土传植物-微生物相互作用中可能的影响。
