Impact of Temperature on the Immune Interaction between a Parasitoid Wasp and <i>Drosophila</i> Host Species

Temperature is particularly important for ectotherms, including endoparasitoid wasps that develop inside another ectotherm host. In this study, we tested the impact of three temperatures (20 °C, 25 °C and 30 °C) on the host–parasitoid immune interaction using two <i>Drosophila</i> host s...

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Main Authors: Fanny Cavigliasso, Jean-Luc Gatti, Dominique Colinet, Marylène Poirié
Format: Article
Language:English
Published: MDPI AG 2021-07-01
Series:Insects
Subjects:
Online Access:https://www.mdpi.com/2075-4450/12/7/647
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author Fanny Cavigliasso
Jean-Luc Gatti
Dominique Colinet
Marylène Poirié
author_facet Fanny Cavigliasso
Jean-Luc Gatti
Dominique Colinet
Marylène Poirié
author_sort Fanny Cavigliasso
collection DOAJ
description Temperature is particularly important for ectotherms, including endoparasitoid wasps that develop inside another ectotherm host. In this study, we tested the impact of three temperatures (20 °C, 25 °C and 30 °C) on the host–parasitoid immune interaction using two <i>Drosophila</i> host species (<i>Drosophila melanogaster</i> and <i>D. yakuba</i>) and two parasitoid lines of <i>Leptopilina boulardi</i>. <i>Drosophila</i>’s immune defense against parasitoids consists of the formation of a melanized capsule surrounding the parasitoid egg. To counteract this response, <i>Leptopilina</i> parasitoids rely on the injection of venom during oviposition. Here, we tested the effect of temperature on parasitic success and host encapsulation capacity in response to a parasitoid egg or other foreign body. Increased temperature either promoted or did not affect the parasitic success, depending on the parasitoid–host pairs considered. The mechanisms behind the higher success seemed to vary depending on whether the temperature primarily affected the host immune response or also affected the parasitoid counter-immune response. Next, we tested the effect of parasitoid rearing temperature on its success and venom composition. Venom composition varied strongly with temperature for both parasitoid lines, partially consistent with a change in their parasitic success. Overall, temperature may have a significant impact on the host–parasitoid immune interaction.
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spelling doaj.art-6a535b7be9114f82a6c83cf1179ca0a22023-11-22T04:04:56ZengMDPI AGInsects2075-44502021-07-0112764710.3390/insects12070647Impact of Temperature on the Immune Interaction between a Parasitoid Wasp and <i>Drosophila</i> Host SpeciesFanny Cavigliasso0Jean-Luc Gatti1Dominique Colinet2Marylène Poirié3Université Côte d’Azur, INRAE, CNRS, ISA, 06 903 Sophia Antipolis, FranceUniversité Côte d’Azur, INRAE, CNRS, ISA, 06 903 Sophia Antipolis, FranceUniversité Côte d’Azur, INRAE, CNRS, ISA, 06 903 Sophia Antipolis, FranceUniversité Côte d’Azur, INRAE, CNRS, ISA, 06 903 Sophia Antipolis, FranceTemperature is particularly important for ectotherms, including endoparasitoid wasps that develop inside another ectotherm host. In this study, we tested the impact of three temperatures (20 °C, 25 °C and 30 °C) on the host–parasitoid immune interaction using two <i>Drosophila</i> host species (<i>Drosophila melanogaster</i> and <i>D. yakuba</i>) and two parasitoid lines of <i>Leptopilina boulardi</i>. <i>Drosophila</i>’s immune defense against parasitoids consists of the formation of a melanized capsule surrounding the parasitoid egg. To counteract this response, <i>Leptopilina</i> parasitoids rely on the injection of venom during oviposition. Here, we tested the effect of temperature on parasitic success and host encapsulation capacity in response to a parasitoid egg or other foreign body. Increased temperature either promoted or did not affect the parasitic success, depending on the parasitoid–host pairs considered. The mechanisms behind the higher success seemed to vary depending on whether the temperature primarily affected the host immune response or also affected the parasitoid counter-immune response. Next, we tested the effect of parasitoid rearing temperature on its success and venom composition. Venom composition varied strongly with temperature for both parasitoid lines, partially consistent with a change in their parasitic success. Overall, temperature may have a significant impact on the host–parasitoid immune interaction.https://www.mdpi.com/2075-4450/12/7/647parasitoid wasp<i>Drosophila</i>temperatureencapsulationvenom compositionparasitic success
spellingShingle Fanny Cavigliasso
Jean-Luc Gatti
Dominique Colinet
Marylène Poirié
Impact of Temperature on the Immune Interaction between a Parasitoid Wasp and <i>Drosophila</i> Host Species
Insects
parasitoid wasp
<i>Drosophila</i>
temperature
encapsulation
venom composition
parasitic success
title Impact of Temperature on the Immune Interaction between a Parasitoid Wasp and <i>Drosophila</i> Host Species
title_full Impact of Temperature on the Immune Interaction between a Parasitoid Wasp and <i>Drosophila</i> Host Species
title_fullStr Impact of Temperature on the Immune Interaction between a Parasitoid Wasp and <i>Drosophila</i> Host Species
title_full_unstemmed Impact of Temperature on the Immune Interaction between a Parasitoid Wasp and <i>Drosophila</i> Host Species
title_short Impact of Temperature on the Immune Interaction between a Parasitoid Wasp and <i>Drosophila</i> Host Species
title_sort impact of temperature on the immune interaction between a parasitoid wasp and i drosophila i host species
topic parasitoid wasp
<i>Drosophila</i>
temperature
encapsulation
venom composition
parasitic success
url https://www.mdpi.com/2075-4450/12/7/647
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