Article
The Arabidopsis Auxin Receptor F-Box Proteins AFB4 and AFB5 Are Required for Response to the Synthetic Auxin Picloram.
G3 (Bethesda, Md.) - 3 May 2016
Prigge Michael J, Greenham Kathleen, Zhang Yi, Santner Aaron, Castillejo Cristina, Mutka Andrew M, O'Malley Ronan C, Ecker Joseph R, Kunkel Barbara N, Estelle Mark
Abstract excerpt
The plant hormone auxin is perceived by a family of F-box proteins called the TIR1/AFBs. Phylogenetic studies reveal that these proteins fall into four clades in flowering plants called TIR1, AFB2, AFB4, and AFB6. Genetic studies indicate that members of the TIR1 and AFB2 groups act as positive regulators of auxin signaling by promoting the degradation of the Aux/IAA transcriptional repressors. In this report, we...
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