Cross-section of L.
japonicus root (differentiation zone). Co cortex, En endodermis, Ep epidermis, Pe pericycle, Ph phloem, Xy xylem. Names of promoters are indicated in association with the cell type(s) where promoter-GUS activity was detected in L. japonicus. Promoters are underlined to indicate the cell type of primary expression. Scale bar 50 µm