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Int. J. Mol. Sci. 2018, 19(8), 2316;

The Aphid-Transmitted Turnip yellows virus Differentially Affects Volatiles Emission and Subsequent Vector Behavior in Two Brassicaceae Plants

SVQV, Université de Strasbourg, INRA, 28 rue de Herrlisheim, 68000 Colmar, France
UMR CNRS 7058 EDYSAN, Université de Picardie Jules Verne, 80039 Amiens, France
Department of Entomology, University of California, Entomology Building, 900 University Ave., Riverside, CA 92521, USA
CHU Lille, EA 7367—UTML—Unité de Taphonomie Médico-Légale, Université de Lille, 59000 Lille, France
Institut de Biologie Moléculaire des Plantes, CNRS, Université de Strasbourg, 67000 Strasbourg, France
Author to whom correspondence should be addressed.
Received: 31 May 2018 / Revised: 27 July 2018 / Accepted: 3 August 2018 / Published: 7 August 2018
(This article belongs to the Special Issue Plant Viruses and Virus-Induced Diseases)
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Aphids are important pests which cause direct damage by feeding or indirect prejudice by transmitting plant viruses. Viruses are known to induce modifications of plant cues in ways that can alter vector behavior and virus transmission. In this work, we addressed whether the modifications induced by the aphid-transmitted Turnip yellows virus (TuYV) in the model plant Arabidopsis thaliana also apply to the cultivated plant Camelina sativa, both belonging to the Brassicaceae family. In most experiments, we observed a significant increase in the relative emission of volatiles from TuYV-infected plants. Moreover, due to plant size, the global amounts of volatiles emitted by C. sativa were higher than those released by A. thaliana. In addition, the volatiles released by TuYV-infected C. sativa attracted the TuYV vector Myzus persicae more efficiently than those emitted by non-infected plants. In contrast, no such preference was observed for A. thaliana. We propose that high amounts of volatiles rather than specific metabolites are responsible for aphid attraction to infected C. sativa. This study points out that the data obtained from the model pathosystem A. thaliana/TuYV cannot be straightforwardly extrapolated to a related plant species infected with the same virus. View Full-Text
Keywords: Luteoviridae; polerovirus; volatiles; aphids; Brassicaceae Luteoviridae; polerovirus; volatiles; aphids; Brassicaceae

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Claudel, P.; Chesnais, Q.; Fouché, Q.; Krieger, C.; Halter, D.; Bogaert, F.; Meyer, S.; Boissinot, S.; Hugueney, P.; Ziegler-Graff, V.; Ameline, A.; Brault, V. The Aphid-Transmitted Turnip yellows virus Differentially Affects Volatiles Emission and Subsequent Vector Behavior in Two Brassicaceae Plants. Int. J. Mol. Sci. 2018, 19, 2316.

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