Figure 1.

Arabidopsis mutants of QQS and its interactor NF‐YC4 have altered susceptibility to viral and bacterial infection. Mutants: transgenic AtQQS RNAi, AtQQS‐OE and AtNF‐YC4‐OE in Arabidopsis Col‐0* (few trichomes), and T‐DNA knockout mutants Atqqs, and Atnf‐yc4 in Col‐0 (trichomes). (a) The numbers of TuMV‐GFP infection foci at 120 HAI, (b) the sizes of TuMV‐GFP infection foci at 120 HAI and (c) the growth of the Pst DC3000 (DC3000) and CUCPB5115 (Pst DC3000 ΔCEL) bacterial strains were altered in the mutants. CFU, colony forming units. All data in bar charts show mean ± SE (standard error), n = 3. Statistical significance was determined as described in Appendix S1 ‘Experiment design and statistical methods’: ***P < 0.001; **P < 0.01; *P < 0.05; •P < 0.1.