Evidence for an ichnovirus machinery in parasitoids of coleopteran larvae

Stéphanie Robin, Marc Ravallec, Marie Frayssinet, James Whitfield, Véronique Jouan, Fabrice Legeai, Anne Nathalie Volkoff

Research output: Contribution to journalArticle

Abstract

Bathyplectes spp. are ichneumonid solitary larval parasitoids of the alfalfa weevil which have been classified in the subfamily Campopleginae and which harbor atypical virus particles. Despite the morphological differences between Bathyplectes spp. particles and the polydnaviruses carried by a number of related campoplegine species, called ichnoviruses, the process by which they are produced is very similar to that of ichnoviruses. To address the question of the nature and origin of these atypical particles, the Bathyplectes anurus ovary transcriptome has been analyzed. We found a number of highly expressed transcripts displaying similarities with genes belonging to the machinery involved in the production of ichnovirus particles. In addition, transcripts with similarities with repeat-element genes, which are characteristic of the packaged campoplegine ichnovirus genome were identified. Altogether, our results provide evidence that Bathyplectes particles are related to ichnoviruses.

Original languageEnglish (US)
Pages (from-to)189-206
Number of pages18
JournalVirus Research
Volume263
DOIs
StatePublished - Apr 2 2019

Fingerprint

Larva
Weevils
Medicago sativa
Transcriptome
Virion
Genes
Ovary
Genome

Keywords

  • Bathyplectes
  • Campopleginae
  • Ichnovirus
  • Transcriptome

ASJC Scopus subject areas

  • Cancer Research
  • Virology
  • Infectious Diseases

Cite this

Robin, S., Ravallec, M., Frayssinet, M., Whitfield, J., Jouan, V., Legeai, F., & Volkoff, A. N. (2019). Evidence for an ichnovirus machinery in parasitoids of coleopteran larvae. Virus Research, 263, 189-206. https://doi.org/10.1016/j.virusres.2019.02.001

Evidence for an ichnovirus machinery in parasitoids of coleopteran larvae. / Robin, Stéphanie; Ravallec, Marc; Frayssinet, Marie; Whitfield, James; Jouan, Véronique; Legeai, Fabrice; Volkoff, Anne Nathalie.

In: Virus Research, Vol. 263, 02.04.2019, p. 189-206.

Research output: Contribution to journalArticle

Robin, S, Ravallec, M, Frayssinet, M, Whitfield, J, Jouan, V, Legeai, F & Volkoff, AN 2019, 'Evidence for an ichnovirus machinery in parasitoids of coleopteran larvae', Virus Research, vol. 263, pp. 189-206. https://doi.org/10.1016/j.virusres.2019.02.001
Robin, Stéphanie ; Ravallec, Marc ; Frayssinet, Marie ; Whitfield, James ; Jouan, Véronique ; Legeai, Fabrice ; Volkoff, Anne Nathalie. / Evidence for an ichnovirus machinery in parasitoids of coleopteran larvae. In: Virus Research. 2019 ; Vol. 263. pp. 189-206.
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