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Mutations in the TIR1 auxin receptor that increase affinity for auxin/indole-3-acetic acid proteins result in auxin hypersensitivity.

Plant physiology - 1 May 2013

Yu Hong, Moss Britney L, Jang Seunghee S, Prigge Michael, Klavins Eric, Nemhauser Jennifer L, Estelle Mark

Abstract excerpt

The phytohormone auxin regulates virtually every aspect of plant development. The hormone directly mediates the interaction between the two members of the auxin coreceptor complex, a TRANSPORT INHIBITOR RESPONSE (TIR1)/AUXIN SIGNALING F-BOX protein and an AUXIN/INDOLE-3-ACETIC ACID (Aux/IAA) transcriptional repressor. To learn more about the interaction between these proteins, a mutant screen was performed using...

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PMID: 23539280
DOI: 10.1104/pp.113.215582
PMCID: PMC3641209

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