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Ethylene modulates root wave responses in Arabidopsis

Buer, Charles; Wasteneys, Geoffrey; Masle, Josette

Description

When stimulated to bend downward by being held at 45 degrees off vertical but unable to penetrate into agar-based media, Arabidopsis roots develop waving and looping growth patterns. Here, we demonstrate that ethylene modulates these responses. We determined that agar-containing plates sealed with low-porosity film generate abiotic ethylene concentrations of 0.1 to 0.3 μL L-1, whereas in plates wrapped with porous tape, ethylene remains at trace levels. We demonstrate that exogenous ethylene at...[Show more]

CollectionsANU Research Publications
Date published: 2003
Type: Journal article
URI: http://hdl.handle.net/1885/74337
Source: Plant Physiology
DOI: 10.1104/pp.102.019182

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