Figure 4. Numbers of TF genes expressed in explants of the highly embryogenic Col-0 genotype and the non-embryogenic tanmei mutant (A) and in embryogenic Col-0 culture (B).

´+ ´, genes for which expression was observed; ´- ´, genes for which no expression was observed. Differentially expressed and highly-regulated genes show at least 2- (x≥2) and 10-fold (x≥10) change, respectively, in expression level in any of the compared culture points.