Boyce Thompson Institute, Ithaca, NY, USA.
Swammerdam Institute for Life Sciences, University of Amsterdam, Amsterdam, the Netherlands.
Nat Plants. 2019 Sep;5(9):933-939. doi: 10.1038/s41477-019-0501-1. Epub 2019 Sep 2.
During arbuscular mycorrhizal symbiosis, colonization of the root is modulated in response to the physiological status of the plant, with regulation occurring locally and systemically. Here, we identify differentially expressed genes encoding CLAVATA3/ESR-related (CLE) peptides that negatively regulate colonization levels by modulating root strigolactone content. CLE function requires a receptor-like kinase, SUNN; thus, a CLE-SUNN-strigolactone feedback loop is one avenue through which the plant modulates colonization levels.
在丛枝菌根共生中，根的定殖会根据植物的生理状态进行调节，调节发生在局部和系统水平。在这里，我们鉴定了差异表达的基因，这些基因编码 CLAVATA3/ESR 相关（CLE）肽，通过调节根中的独脚金内酯含量来负调控定殖水平。CLE 功能需要受体样激酶 SUNN；因此，CLE-SUNN-独脚金内酯反馈环是植物调节定殖水平的途径之一。
