Candidate DNA and RNA viruses of Drosophila suzukii from Canada and Germany, and their interactions with Wolbachia

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dc.contributor.authorDudzic, Jan P.
dc.contributor.authorMcPherson, Audrey E.
dc.contributor.authorTaylor, Keelie E.
dc.contributor.authorEben, Astrid
dc.contributor.authorAbram, Paul K.
dc.contributor.authorPerlman, Steve J.
dc.date.accessioned2026-03-12T21:25:33Z
dc.date.available2026-03-12T21:25:33Z
dc.date.issued2025
dc.description.abstractSome species of insects harbour strains of the endosymbiotic bacteria Wolbachia that do not cause obvious reproductive manipulations, and so it is unclear why they persist in host populations. There is some evidence that some of these endosymbionts may provide their hosts with protection against viruses, which would help to explain their persistence, but few studies have explored associations between Wolbachia and naturally occurring, common viruses in natural populations. Here, we asked whether individuals of the invasive vinegar fly Drosophila suzukii infected with the wSuz strain of Wolbachia were less likely to be infected by naturally occurring viruses in its invaded range, in western North America and in Europe. First, using next-generation sequencing, we conducted a virome survey of adult and larval D. suzukii in British Columbia, Canada, finding eight candidate RNA viruses and two candidate DNA viruses; all but one have not been reported previously. Only the previously described Teise virus, an RNA virus, was abundant in our virome survey. We then screened individual flies from British Columbia and Germany for Teise virus and Wolbachia. Wolbachia-infected D. suzukii from the field were not less likely to be infected by Teise virus. Overall, our results do not provide conclusive evidence that wSuz provides strong protection for D. suzukii against viruses that are common in natural populations. However, the other viruses that we discovered in this study deserve further characterization in terms of their pathogenicity to D. suzukii and the frequency and dynamics of infection in wild populations.
dc.description.reviewstatusReviewed
dc.description.scholarlevelFaculty
dc.description.sponsorshipNatural Sciences and Engineering Research Council of Canada
dc.identifier.citationDudzic, J. P., McPherson, A. E., Taylor, K. E., Eben, A., Abram, P. K., & Perlman, S. J. (2025). Candidate DNA and RNA viruses of Drosophila suzukii from Canada and Germany, and their interactions with Wolbachia. Journal of Invertebrate Pathology, 209, 108274. https://doi.org/10.1016/j.jip.2025.108274
dc.identifier.urihttps://doi.org/10.1016/j.jip.2025.108274
dc.identifier.urihttps://hdl.handle.net/1828/23490
dc.language.isoen
dc.publisherJournal of Invertebrate Pathology
dc.rightsCC BY
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectbacterial symbionts
dc.subjectinsect viruses
dc.subjectnudivirus
dc.subjectspotted-wing drosophila
dc.subject.departmentDepartment of Biology
dc.titleCandidate DNA and RNA viruses of Drosophila suzukii from Canada and Germany, and their interactions with Wolbachia
dc.typeArticle

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