| Bioactivity | Auxinole is a potent auxin antagonist of TIR1/AFB receptors, binding TIR1 to block the formation of the TIR1-IAA-Aux/IAA complex and so inhibits auxin-responsive gene expression. | ||||||||||||
| Target | TIR1/AFB receptor | ||||||||||||
| Invitro | Auxinole is a potent auxin antagonist of TIR1/AFB receptors, and binds TIR1 to block the formation of the TIR1-IAA-Aux/IAA complex and then inhibits auxin-responsive gene expression. In addition, Auxinole competitively inhibits various auxin responses in planta[1]. Auxinole causes reduction in IAA-triggered depolarization in root hair cells. Auxinole (20 µM) also represses the transient increase in [Ca2+]cyt completely, and blocks Ca2+ response[2]. | ||||||||||||
| Name | Auxinole | ||||||||||||
| CAS | 86445-22-9 | ||||||||||||
| Formula | C20H19NO3 | ||||||||||||
| Molar Mass | 321.37 | ||||||||||||
| Appearance | Solid | ||||||||||||
| Transport | Room temperature in continental US; may vary elsewhere. | ||||||||||||
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| Reference | [1]. Hayashi K, et al. Rational design of an auxin antagonist of the SCF(TIR1) auxin receptor complex. ACS Chem Biol. 2012 Mar 16;7(3):590-8. [2]. Dindas J, et al. AUX1-mediated root hair auxin influx governs SCFTIR1/AFB-type Ca2+ signaling. Nat Commun. 2018 Mar 21;9(1):1174. |
Auxinole
CAS: 86445-22-9 F: C20H19NO3 W: 321.37
Auxinole is a potent auxin antagonist of TIR1/AFB receptors, binding TIR1 to block the formation of the TIR1-IAA-Aux/IAA
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