Please use this identifier to cite or link to this item: http://hdl.handle.net/1893/3951
Appears in Collections:Computing Science and Mathematics Journal Articles
Peer Review Status: Refereed
Title: Cucumber mosaic virus and its 2b RNA silencing suppressor modify plant-aphid interactions in tobacco
Author(s): Ziebell, Heiko
Murphy, Alex M
Groen, Simon C
Tungadi, Trisna
Westwood, Jack H
Lewsey, Mathew G
Moulin, Michael
Kleczkowski, Adam
Smith, Alison G
Stevens, Mark
Powell, Glen
Carr, John P
Contact Email: adam.kleczkowski@strath.ac.uk
Keywords: Pests Control
Plant diseases
Issue Date: Dec-2011
Date Deposited: 30-Mar-2012
Citation: Ziebell H, Murphy AM, Groen SC, Tungadi T, Westwood JH, Lewsey MG, Moulin M, Kleczkowski A, Smith AG, Stevens M, Powell G & Carr JP (2011) Cucumber mosaic virus and its 2b RNA silencing suppressor modify plant-aphid interactions in tobacco. Scientific Reports, 1. https://doi.org/10.1038/srep00187
Abstract: The cucumber mosaic virus (CMV) 2b protein not only inhibits anti-viral RNA silencing but also quenches transcriptional responses of plant genes to jasmonic acid, a key signalling molecule in defence against insects. This suggested that it might affect interactions between infected plants and aphids, insects that transmit CMV. We found that infection of tobacco with a 2b gene deletion mutant (CMVD2b) induced strong resistance to aphids (Myzus persicae) while CMV infection fostered aphid survival. Using electrical penetration graph methodology we found that higher proportions of aphids showed sustained phloem ingestion on CMV-infected plants than on CMVD2b-infected or mock-inoculated plants although this did not increase the rate of growth of individual aphids. This indicates that while CMV infection or certain viral gene products might elicit aphid resistance, the 2b protein normally counteracts this during a wild-type CMV infection. Our findings suggest that the 2b protein could indirectly affect aphid-mediated virus transmission.
DOI Link: 10.1038/srep00187
Rights: Published in Scientific Reports by Nature Publishing Group.||Ziebell, H. et al. Cucumber mosaic virus and its 2b RNA silencing suppressor modify plant-aphid interactions in tobacco. Sci. Rep. 1, 187; DOI:10.1038/ srep00187 (2011).||Open Access. This work is licensed under a Creative Commons Attribution-NonCommercial-ShareALike 3.0 Unported License. To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-sa/3.0/
Licence URL(s): http://creativecommons.org/licenses/by-nc-sa/4.0/

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