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Viruses 2016, 8(11), 303; doi:10.3390/v8110303

Plant Virus–Insect Vector Interactions: Current and Potential Future Research Directions

1
Queensland Alliance for Agriculture and Food Innovation, The University of Queensland, St. Lucia QLD 4072, Australia
2
Agriculture and Agri-Food Canada, Summerland Research and Development Centre, Summerland, BC V0H 1Z0, Canada
3
School of Biological Sciences, The University of Queensland, St. Lucia QLD 4072, Australia
*
Author to whom correspondence should be addressed.
Academic Editor: Eric O. Freed
Received: 23 August 2016 / Revised: 31 October 2016 / Accepted: 31 October 2016 / Published: 9 November 2016
(This article belongs to the Special Issue Molecular Plant Virus—Insect Vector Interactions)
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Abstract

Acquisition and transmission by an insect vector is central to the infection cycle of the majority of plant pathogenic viruses. Plant viruses can interact with their insect host in a variety of ways including both non-persistent and circulative transmission; in some cases, the latter involves virus replication in cells of the insect host. Replicating viruses can also elicit both innate and specific defense responses in the insect host. A consistent feature is that the interaction of the virus with its insect host/vector requires specific molecular interactions between virus and host, commonly via proteins. Understanding the interactions between plant viruses and their insect host can underpin approaches to protect plants from infection by interfering with virus uptake and transmission. Here, we provide a perspective focused on identifying novel approaches and research directions to facilitate control of plant viruses by better understanding and targeting virus–insect molecular interactions. We also draw parallels with molecular interactions in insect vectors of animal viruses, and consider technical advances for their control that may be more broadly applicable to plant virus vectors. View Full-Text
Keywords: plant viruses; mosquitoes; insect vectors; virus transmission; molecular virus–insect interactions; salivary gland; insect stylet; virus control; Wolbachia plant viruses; mosquitoes; insect vectors; virus transmission; molecular virus–insect interactions; salivary gland; insect stylet; virus control; Wolbachia
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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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Dietzgen, R.G.; Mann, K.S.; Johnson, K.N. Plant Virus–Insect Vector Interactions: Current and Potential Future Research Directions. Viruses 2016, 8, 303.

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