Supplemental Figure 2 -
Reduced EIN3 protein accumulation in ein5-1 and xrn4-3 plants in response to ACC treatment.
Supplemental Figure 3 -
Mutants deficient in microRNA, siRNA and tasiRNA pathways do not exhibit higher EBF1 and EBF2 mRNA levels and do not significantly alter the ethylene insensitive phenotype of ein5.