Rhizobia block Cd absorption in peanut via rhizosphere microbiome assembly and N-regulated host defense.
Cadmium (Cd) contamination severely threatens peanut (Arachis hypogaea L.) production and symbiotic nitrogen fixation (SNF). Although rhizobia inoculation can alleviate heavy metal toxicity in plants, how nitrate (NO3-) regulates Cd translocation and the defense of the "rhizobia-root-nodule" system remains unclear. Her...