Host, Symbionts, and the Microbiome: The Missing Tripartite Interaction

Brinker, Pina; Fontaine, Michaël C.; Beukeboom, Leo W.; Salles, Joana Falcão

doi:10.1016/j.tim.2019.02.002

Cited by 79 publications

(59 citation statements)

References 68 publications

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“…Alternatively or complementary to this, microbes naturally occurring in the soil might provide an as yet unknown and undescribed benefit to founding queens and the first cohort of brood. Ants entertain a variety of interactions with microbes spanning the continuum of symbiotic, mutualistic and parasitic interactions (Chomicki and Renner, 2017;Russell et al, 2017), which are embedded in a wider microbial community including the microbial community of an individual but also free-living microbial communities in the environment of an individual (Dittmer et al, 2016;Adair and Douglas, 2017;Brinker et al, 2019a). Therefore, the right microbial environment might be very important to ants.…”

Section: Discussionmentioning

confidence: 99%

Balancing Life History Investment Decisions in Founding Ant Queens

et al. 2020

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Section: Discussionmentioning

confidence: 99%

Balancing Life History Investment Decisions in Founding Ant Queens

et al. 2020

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“…Another example of cross-kingdom interactions are the dramatic effects that Wolbachia bacteria can have on transmission of pathogenic viruses and parasitic protozoa that are vectored by insects (Moreira et al, 2009;Bian et al, 2010;Rainey et al, 2014;Johnson, 2015). These interactions are now also being studied to explore how this may be exploited for vector and disease control (Bourtzis et al, 2014;Caragata et al, 2016;Brinker et al, 2019).…”

Section: Cross-kingdom Interactionsmentioning

confidence: 99%

The microbiome of pest insects: it is not just bacteria

Gurung

Wertheim

Salles

2019

Entomologia Exp Applicata

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155

113

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Insects are associated with multiple microbes that have been reported to influence various aspects of their biology. Most studies in insects, including pest species, focus on the bacterial communities of the microbiome even though the microbiome consists of members of many more kingdoms, which can also have large influence on the life history of insects. In this review, we present some key examples of how the different members of the microbiome, such as bacteria, fungi, viruses, archaea, and protozoa, affect the fitness and behavior of pest insects. Moreover, we argue that interactions within and among microbial groups are abundant and of great importance, necessitating the use of a community approach to study microbial–host interactions. We propose that the restricted focus on bacteria very likely hampers our understanding of the functioning and impact of the microbiome on the biology of pest insects. We close our review by highlighting a few open questions that can provide an in‐depth understanding of how other components of the microbiome, in addition to bacteria, might influence host performance, thus contributing to pest insect ecology.

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“…This can be used to infer the relative abundance and relative importance of each symbiont in contributing to biocontrol traits. However, despite the enormous attention for the role of microbiomes, we still know very little about whether and how microbes contribute to arthropod life-history traits and biocontrol traits in particular (Janson et al, 2008;Brinker et al, 2019;Gurung, Wertheim, & Falcao Salles, 2019). In addition, the factors that determine the microbiome composition are often not well known.…”

Section: Microbiomesmentioning

confidence: 99%

“…Also, Wolbachia can reduce the relative number of other potentially beneficial symbiotic bacteria (Audsley, Ye, & McGraw, 2017;Ye et al, 2017) and conversely, other microbiota can outcompete Wolbachia (Kondo, Shimada, & Fukatsu, 2005;Goto, Anbutsu, & Fukatsu, 2006;Hughes, Rivero, & Rasgon, 2014;Rossi et al, 2015). These competition dynamics within microbiomes (Brinker et al, 2019;Gurung et al, 2019) are an important consideration when releasing manipulated strains into the field, as is the fact that new microbes introduced via hosts may become permanent fixtures in their ecosystem.…”

Section: Microbiome Manipulationmentioning

confidence: 99%

Next Generation Biological Control: The Need for Integrating Genetics and Evolution

Leung¹,

Ras²,

Ferguson³

et al. 2019

Preprint

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Biological control is widely successful for controlling pests, but effective biocontrol agents are now more difficult to obtain due to more restrictive international trade laws. Coupled with increasing demand, the efficacy of existing and new biocontrol agents needs to be improved with genetic and genomic approaches. Although they have been underutilised in the past, applying genetic and genomic techniques is becoming more feasible from both technological and economic perspectives. We review current methods and provide a framework for using them, incorporating evolutionary and ecological principles. First, it is necessary to identify which biocontrol trait to select and in what direction. Next, the genes or markers linked to these traits need be determined to better target their selection, followed by how to implement this information into a breeding program. Choosing a trait can be assisted by modelling to account for the proper agro-ecological context, and by knowing which traits have sufficiently high heritability values. We provide guidelines for designing genomic strategies in biocontrol programs, which depends on the organism, budget, and desired objective. Genomic approaches start with genome sequencing and assembly. We provide a guide for deciding the most successful sequencing strategy for biocontrol agents. Gene discovery involves quantitative trait loci (QTL) analyses, transcriptomic and proteomic studies, and gene editing. Improving biocontrol practices include marker-assisted selection, genomic selection and microbiome manipulation of biocontrol agents, and monitoring for genetic variation during rearing and post-release. We conclude by identifying the most promising applications of genetic and genomic methods to improve biological control efficacy.

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Host, Symbionts, and the Microbiome: The Missing Tripartite Interaction

Cited by 79 publications

References 68 publications

Balancing Life History Investment Decisions in Founding Ant Queens

Balancing Life History Investment Decisions in Founding Ant Queens

The microbiome of pest insects: it is not just bacteria

Next Generation Biological Control: The Need for Integrating Genetics and Evolution

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