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  Parasitic wasp-associated symbiont affects plant-mediated species interactions between herbivores

Cusumano, A., Zhu, F., Volkoff, A.-N., Verbaarschot, P., Bloem, J., Vogel, H., et al. (2018). Parasitic wasp-associated symbiont affects plant-mediated species interactions between herbivores. Ecology Letters, 21(7), 957-967. doi:10.1111/ele.12952.

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Item Permalink: https://hdl.handle.net/21.11116/0000-0001-2930-B Version Permalink: https://hdl.handle.net/21.11116/0000-0009-30F7-A
Genre: Journal Article

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HEC389s1.docx (Supplementary material), 787KB
 
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 Creators:
Cusumano, Antonino, Author
Zhu, Feng, Author
Volkoff, Anne-Nathalie, Author
Verbaarschot, Patrick, Author
Bloem, Janneke, Author
Vogel, Heiko1, Author           
Dicke, Marcel, Author
Poelman, Erik H., Author
Affiliations:
1Department of Entomology, Prof. D. G. Heckel, MPI for Chemical Ecology, Max Planck Society, ou_421895              

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 Abstract: Microbial mutualistic symbiosis is increasingly recognised as a hidden driving force in the ecology of plant–insect interactions. Although plant-associated and herbivore-associated symbionts clearly affect interactions between plants and herbivores, the effects of symbionts associated with higher trophic levels has been largely overlooked. At the third-trophic level, parasitic wasps are a common group of insects that can inject symbiotic viruses (polydnaviruses) and venom into their herbivorous hosts to support parasitoid offspring development. Here, we show that such thirdtrophic level symbionts act in combination with venom to affect plant-mediated interactions by reducing colonisation of subsequent herbivore species. This ecological effect correlated with changes induced by polydnaviruses and venom in caterpillar salivary glands and in plant defence responses to herbivory. Because thousands of parasitoid species are associated with mutualistic symbiotic viruses in an intimate, specific relationship, our findings may represent a novel and widespread ecological phenomenon in plant–insect interactions.

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 Dates: 2018-02-232018-04-152018-06
 Publication Status: Issued
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 Identifiers: Other: HEC389
DOI: 10.1111/ele.12952
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Title: Ecology Letters
Source Genre: Journal
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Publ. Info: Oxford, UK : Blackwell Science
Pages: - Volume / Issue: 21 (7) Sequence Number: - Start / End Page: 957 - 967 Identifier: ISSN: 1461-023X
CoNE: https://pure.mpg.de/cone/journals/resource/954925625294