Defying gravity: WEEP promotes negative gravitropism in peach trees 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 are a resource for understanding how plants regulate posture control. The peach (Prunus persica) weeping phenotype, which has elliptical downward arching branches, is caused by a homozygous mutation in the WEEP gene. Little is known about the function of WEEP despite its high conservation throughout Plantae. Here, we present the results of anatomical, biochemical, biomechanical, physiological, and molecular experiments that provide insight … Show more
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