Insect symbionts as hidden players in insect–plant interactions

Frago, Enric; Dicke, Marcel; Godfray, H. Charles J.

doi:10.1016/j.tree.2012.08.013

Cited by 272 publications

(247 citation statements)

References 72 publications

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“…Similarly, a recent study on yeasts isolated from the larval frass and adult midguts of spotted-wing drosophila, Drosophila suzukii Matsumura, and their fruit food source, found a specific association between the flies and some yeasts with a preference for Hanseniaspora uvarum (Scheidler et al 2015). The volatile compounds produced by mutualistic microorganisms living inside host insects that have a symbiotic relationship with plants might trigger their trophic interaction (Frago et al 2012). In the case of pest insects, exploiting the relationships between bacteria, their hosts, and plants may be a useful tool for developing sustainable control strategies.…”

Section: Introductionmentioning

confidence: 94%

Olfactory attraction of Drosophila suzukii by symbiotic acetic acid bacteria

et al. 2016

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Some species of acetic acid bacteria (AAB) play relevant roles in the metabolism and physiology of Drosophila spp. and in some cases convey benefits to their hosts. The pest Drosophila suzukii harbors a set of AAB similar to those of other Drosophila species. Here, we investigate the potential to exploit the ability of AAB to produce volatile substances that attract female D. suzukii. Using a two-way olfactometer bioassay, we investigate the preference of D. suzukii for strains of AAB, and using solid-phase microextraction gas chromatography-mass spectrometry we specifically characterize their volatile profiles to identify attractive and non-attractive components produced by strains from the genera Acetobacter, Gluconobacter, and Komagataeibacter. Flies had a preference for one strain of Komagataeibacter and two strains of Gluconobacter. Analyses of the volatile profiles from the preferred Gluconobacter isolates found that acetic acid is distinctively emitted even after 2 days of bacterial growth, confirming the relevance of this volatile in the profile of this isolate for attracting flies. Analyses of the volatile profile from the preferred Komagataeibacter isolate showed that a different volatile in its profile could be responsible for attracting D. suzukii. Moreover, variation in the concentration of butyric acid derivatives found in some strains may influence the preference of D. suzukii. Our results indicate that Gluconobacter and Komagataeibacter strains isolated from D. suzukii have the potential to provide substances that could be exploited to develop sustainable mass-trapping-based control approaches

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Section: Introductionmentioning

confidence: 94%

Olfactory attraction of Drosophila suzukii by symbiotic acetic acid bacteria

et al. 2016

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“…Altogether, these observations raise the intriguing idea that some persistent plant viruses may be mutualistic symbionts of their insect vectors. Depending on the level of specificity of the tritrophic interaction and the history of virus-vector co-evolution, viruses and insect vectors may collaborate in fighting plant immune responses [39][40][41], in minimizing pathogenic effects in the vector [42,43] or in minimizing perturbations of vector biochemistry [44].…”

Section: Introductionmentioning

confidence: 99%

Is there a role for symbiotic bacteria in plant virus transmission by insects?

Pinheiro

Kliot

Ghanim

et al. 2015

Current Opinion in Insect Science

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“…However, although there is emerging evidence that microbial endosymbionts can shape the outcome of plant -herbivore interactions (reviewed in [3]), symbiotic associations are frequently studied in isolation from the community of organisms that interact with them. For example, a plant interacting with soil microbiota will be simultaneously engaging in interactions with a variety of other organisms, including insect herbivores.…”

Section: Introductionmentioning

confidence: 99%

Unpredicted impacts of insect endosymbionts on interactions between soil organisms, plants and aphids

2013

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Ecologically significant symbiotic associations are frequently studied in isolation, but such studies of two-way interactions cannot always predict the responses of organisms in a community setting. To explore this issue, we adopt a community approach to examine the role of plant-microbial and insect-microbial symbioses in modulating a plant-herbivore interaction. Potato plants were grown under glass in controlled conditions and subjected to feeding from the potato aphid Macrosiphum euphorbiae. By comparing plant growth in sterile, uncultivated and cultivated soils and the performance of M. euphorbiae clones with and without the facultative endosymbiont Hamiltonella defensa, we provide evidence for complex indirect interactions between insect-and plant-microbial systems. Plant biomass responded positively to the live soil treatments, on average increasing by 15% relative to sterile soil, while aphid feeding produced shifts (increases in stem biomass and reductions in stolon biomass) in plant resource allocation irrespective of soil treatment. Aphid fecundity also responded to soil treatment with aphids on sterile soil exhibiting higher fecundities than those in the uncultivated treatment. The relative allocation of biomass to roots was reduced in the presence of aphids harbouring H. defensa compared with plants inoculated with H. defensa-free aphids and aphid-free control plants. This study provides evidence for the potential of plant and insect symbionts to shift the dynamics of plant-herbivore interactions.

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Insect symbionts as hidden players in insect–plant interactions

Cited by 272 publications

References 72 publications

Olfactory attraction of Drosophila suzukii by symbiotic acetic acid bacteria

Olfactory attraction of Drosophila suzukii by symbiotic acetic acid bacteria

Is there a role for symbiotic bacteria in plant virus transmission by insects?

Unpredicted impacts of insect endosymbionts on interactions between soil organisms, plants and aphids

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