Figure 2. Loss of NPR1 function alleviates accumulation of autophagic components. Immunoblot detection of (A) ATG8A and (B) NBR1 accumulation in 3-, 6- and 9-wk-old npr1, atg2, and npr1 atg2 mutants. Coomassie Blue staining of the large subunit of RuBisCO serves as loading control.