Yang Zhong, Weibing Xun, Xiaohan Wang, Shouwei Tian, Yancong Zhang, Dawei Li, Yuan Zhou, Yuxuan Qin, Bo Zhang, Guangwei Zhao, Xu Cheng, Yaoguang Liu, Huiming Chen, Legong Li, Anne Osbourn, William J Lucas, Sanwen Huang, Yongshuo Ma, Yi Shang
Underground microbial ecosystems have profound impacts on plant health1-5 . Recently, essential roles have been shown for plant specialized metabolites in shaping the rhizosphere microbiome6-9 . However, the potential mechanisms underlying the root-to-soil delivery of these metabolites remain to be elucidated10 . Cucurbitacins, the characteristic bitter triterpenoids in cucurbit plants (such as melon and watermelon), are synthesized by operon-like gene clusters11 . Here we report two Multidrug and Toxic Compound Extrusion (MATE) proteins involved in the transport of their respective cucurbitacins, a process co-regulated with cucurbitacin biosynthesis...
August 2022: Nature Plants