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Université de Fribourg

The inter-kingdom volatile signal indole promotes root development by interfering with auxin signalling

Bailly, Aurélien ; Groenhagen, Ulrike ; Schulz, Stefan ; Geisler, Markus ; Eberl, Leo ; Weisskopf, Laure

In: The Plant Journal, 2014, vol. 80, no. 5, p. 758–771

Recently, emission of volatile organic compounds (VOCs) has emerged as a mode of communication between bacteria and plants. Although some bacterial VOCs that promote plant growth have been identified, their underlying mechanism of action is unknown. Here we demonstrate that indole, which was identified using a screen for Arabidopsis growth promotion by VOCs from soil-borne bacteria, is a potent...