auxRE Variants Generate Predictable Auxin Response Profiles in Native and Synthetic Promoters.
(A) and (B) Diversity of auxRE motifs at the promoters of Arabidopsis IAA2
(A) and IAA4
(B).
(C) to (F) PWM of the conserved TGTCCC auxRE for IAA2 ([C] and [E]) and IAA4 ([D] and [F]) in all angiosperms ([C] and [D]) or within the Brassicaceae ([E] and [F]).
(G) Response of promoters and mutated promoters to auxin.
(H) Number of independent transformation lines exhibiting the same expression as in (G).