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Commun Integr Biol

Title:		How rapid is aphid-induced signal transfer between plants via common mycelial networks?
Author(s):		Babikova Z; Johnson D; Bruce T; Pickett JA; Gilbert L;
Address:		"Institute of Biological and Environmental Sciences; University of Aberdeen; Aberdeen, UK ; Rothamsted Research; Harpenden; UK ; James Hutton Institute; Craigiebuckler; Aberdeen, UK. Institute of Biological and Environmental Sciences; University of Aberdeen; Aberdeen, UK. Rothamsted Research; Harpenden; UK. James Hutton Institute; Craigiebuckler; Aberdeen, UK"
Journal Title:		Commun Integr Biol
Year:		2013
Volume:		20130726
Issue:		6
Page Number:		e25904 -
DOI:		10.4161/cib.25904
ISSN/ISBN:		1942-0889 (Print) 1942-0889 (Electronic) 1942-0889 (Linking)
Abstract:		"Arbuscular mycorrhizal (AM) fungi are important plant mutualists that can connect roots of neighboring plants to form common mycelial networks. A recent study demonstrated that these networks can act as conduits for aphid-induced signals between plants, activating chemical defenses in uninfested neighboring plants so that they become unattractive to aphids but attractive to their enemies (parasitoids). The benefit to the neighboring plants will increase if the signal speed is rapid, enabling them to respond before aphids attack. Here, we determine the speed of aphid-induced signal transfer between plants infested with aphids ('donor') and neighboring aphid-free plants that were either connected or unconnected to the donor via a common mycelial network. Induced changes in plant volatiles from neighbors connected to donors started within 24 h of aphid infestation of donors. This demonstrates a rapid signal, implying potential benefit to plants receiving the signal, and raises intriguing ecological and evolutionary questions"
Keywords:		arbuscular mycorrhizal fungi broad bean (Vicia faba) common mycelial network induced plant defense insect host location inter-plant communication pea aphid (Acyrthosiphon pisum) rhizosphere signaling volatile organic compounds;
Notes:		"PubMed-not-MEDLINEBabikova, Zdenka Johnson, David Bruce, Toby Pickett, John A Gilbert, Lucy eng BB/H001700/1/BB_/Biotechnology and Biological Sciences Research Council/United Kingdom 2014/02/25 Commun Integr Biol. 2013 Nov 1; 6(6):e25904. doi: 10.4161/cib.25904. Epub 2013 Jul 26"