Defying Gravity:WEEPpromotes negative gravitropism inPrunus persica(peach) shoots and roots by establishing asymmetric auxin gradients
Andrea R. Kohler,
Andrew Scheil,
Joseph L. Hill
et al.
Abstract:Trees with weeping shoot architectures are valued for their beauty and serve as tremendous resources for understanding how plants regulate posture control. The Prunus persica (peach) weeping phenotype, which has elliptical downward arching branches, is caused by a homozygous mutation in the WEEP gene. Until now, little was known about the function of WEEP protein despite its high conservation throughout Plantae. Here, we present the results of anatomical, biochemical, biomechanical, physiological, and molecula… Show more
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