Auxin and ethylene response interactions during Arabidopsis root hair development dissected by auxin influx modulators

Plant Physiology | December 1, 2002| | Copyright

The plant hormones auxin and ethylene have been shown to play important roles during root hair development. However, cross talk between auxin and ethylene makes it difficult to understand the independent role of either hormone. To dissect their respective roles, we examined the effects of two compounds, chromosaponin I (CSI) and 1-naphthoxyacetic acid (1-NOA), on the root hair developmental process in wild-type Arabidopsis, ethylene-insensitive mutant ein2-1, and auxin influx mutants auxl-7, auxl-22, and double mutant auxl-7 ein2. O-Glucuronidase (GUS) expression analysis in the BA-GUS ...

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