Plant Virus-Insect Vector Interactions: Current and Potential Future Research Directions.
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.
Queensland Alliance for Agriculture and Food Innovation, The University of Queensland, St. Lucia QLD 4072, Australia. r.dietzgen@uq.edu.au.
Ralf G
RG
Dietzgen
Agriculture and Agri-Food Canada, Summerland Research and Development Centre, Summerland, BC V0H 1Z0, Canada. krinpreet.mann@canada.ca.
Krin S
KS
Mann
School of Biological Sciences, The University of Queensland, St. Lucia QLD 4072, Australia. karynj@uq.edu.au.
Karyn N
KN
Johnson
D000818:Animals; D018562:Disease Transmission, Infectious; D004772:Entomology / Q000639:trends; D054884:Host-Pathogen Interactions; D007303:Insect Vectors / Q000502:physiology* / Q000821:virology*; D010935:Plant Diseases / Q000821:virology; D010942:Plant Viruses / Q000502:physiology*; D014773:Virology / Q000639:trends
Wolbachia; insect stylet; insect vectors; molecular virus–insect interactions; mosquitoes; plant viruses; salivary gland; virus control; virus transmission