Influence of the virus LbFV and of Wolbachia in a host-parasitoid interaction.

PloS One
Julien MartinezJ Varaldi

Abstract

Symbionts are widespread and might have a substantial effect on the outcome of interactions between species, such as in host-parasitoid systems. Here, we studied the effects of symbionts on the outcome of host-parasitoid interactions in a four-partner system, consisting of the parasitoid wasp Leptopilina boulardi, its two hosts Drosophila melanogaster and D. simulans, the wasp virus LbFV, and the endosymbiotic bacterium Wolbachia. The virus is known to manipulate the superparasitism behavior of the parasitoid whereas some Wolbachia strains can reproductively manipulate and/or confer pathogen protection to Drosophila hosts. We used two nuclear backgrounds for both Drosophila species, infected with or cured of their respective Wolbachia strains, and offered them to L. boulardi of one nuclear background, either infected or uninfected by the virus. The main defence mechanism against parasitoids, i.e. encapsulation, and other important traits of the interaction were measured. The results showed that virus-infected parasitoids are less frequently encapsulated than uninfected ones. Further experiments showed that this viral effect involved both a direct protective effect against encapsulation and an indirect effect of superparasitism....Continue Reading

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Citations

Jun 8, 2013·Molecular Ecology·Stineke van HouteMonique M van Oers
Aug 6, 2015·PloS One·Anne DuplouySaskya van Nouhuys
Oct 7, 2016·The Journal of Experimental Biology·Saskya van NouhuysAnne Duplouy
Mar 29, 2020·G3 : Genes - Genomes - Genetics·Shagufta KhanRakesh K Mishra
Jan 27, 2016·Ecology and Evolution·Julien MartinezJulien Varaldi
Jan 1, 2012·Insects·Saskya van NouhuysIlkka Hanski
Oct 8, 2019·Annual Review of Entomology·Marcel DickeErik H Poelman

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Methods Mentioned

BETA
PCR
dissections

Software Mentioned

R
R Development Core Team

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