Article
HSP90 stabilizes auxin receptor TIR1 and ensures plasticity of auxin responses.
Plant signaling & behavior - 4 May 2017
Watanabe Etsuko, Mano Shoji, Hara-Nishimura Ikuko, Nishimura Mikio, Yamada Kenji
Abstract excerpt
Heat shock protein 90 (HSP90) is a highly conserved molecular chaperone that facilitates the maturation of target proteins. Here, we report that the auxin receptor TIR1 is a target of cytosolic HSP90 and that HSP90 and TIR1 form a complex. Inhibition of HSP90 compromised the nuclear localization of TIR1, and abrogated plant responses to the hormone auxin. Our findings suggest that HSP90 positively regulates auxin...
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