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Auxin Responses of IAMT1 Overexpression Lines.
(A) Overexpression of IAMT1 resulted in agravitropism.
(B) GUS staining of the auxin-responsive DR5-GUS reporter in roots of iamt1-D plants treated with or without 20 μM IAA for 5 h.
(C) and (D) Lateral root response of the iamt1 mutants to IAA and 2,4-D.
(E) Primary root elongation response of the iamt1-D mutants to IAA and 2,4-D. Error bars represent standard deviations.
