RLIG1 and infection: As a control, we showed that the RNL defective helperless quintuple mutant [adr1 adr1-l1 adr1-l2 nrg1.1 nrg1.2 (11, 13)] was indeed more susceptible to infection than Col-0 in each of these situations (SI Appendix, Fig. S4, A–C).