We thank Dr Qi-Jun Chen (State Key Laboratory of Plant Physiology and Biochemistry, China Agricultural University) for kindly sharing the egg cell-specific CRISPR/Cas9 system, Dr Jeff Dangl (UNC Chapel Hill) for adr triple and ADR1-L2D484V lines, Dr Shenyang He (Michigan State University) for the HopQ-YFP strain, Dr Johannes Stuttmann for Nbeds1a-1 mutant, and Dr Morten Petersen (University of Copenhagen) for P-loop mutant constructs of NRG1A and NRG1B. We are grateful to Dr Lacey Samuels (UBC) for sharing the 35S: HDEL-RFP vector. Ms Solveig van Wersch is sincerely thanked for careful reading of the manuscript. This work was supported by an NSERC-Discovery grant and the UBC Botany Dewar Cooper memorial fund. ZW has been partly supported by a PhD CSC scholarship.
