Ethylene modulates root-wave responses in Arabidopsis.

  title={Ethylene modulates root-wave responses in Arabidopsis.},
  author={Charles S. Buer and Geoffrey O Wasteneys and Josette Masle},
  journal={Plant physiology},
  volume={132 2},
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 microL L(-1), whereas in plates wrapped with porous tape, ethylene remains at trace levels. We demonstrate that exogenous… CONTINUE READING

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