Nature Plants, Published online: 25 September 2023; doi:10.1038/s41477-023-01524-8

Single-nucleus transcriptomes uncover cell type-specific gene reprogramming in response to nod factors in Medicago, including a defence response at 30 min, which largely returned to normal at 6 h. The results reveal that MtFER interacts with LYK3 and regulates rhizobial symbiosis.