Changes in Larval Mosquito Microbiota Reveal Non-target Effects of Insecticide Treatments in Hurricane-Created Habitats

Receveur, Joseph P.; Pechal, Jennifer L.; Benbow, M. Eric; Donato, Gary; Rainey, Tadhgh; Wallace, John R.

doi:10.1007/s00248-018-1175-3

Cited by 15 publications

(12 citation statements)

References 60 publications

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“…microorganisms), and they influence both the host and its microbiota. This is also the case in insects, where literature suggests an effect of antibiotics (Hammer et al, 2016;Guégan et al, 2018;Koskinioti et al, 2019), agrochemicals (Kakumanu et al, 2016;Raymann et al, 2018;Receveur et al, 2018;Akami et al, 2019;Botina et al, 2019;Ding et al, 2019;Zhang and Yang, 2019;Li et al, 2020a), heavy metals (Zhu et al, 2018b;Rothman et al, 2019a,b;Li et al, 2020b), land use (Zhu et al, 2018a), pollutants (Duguma et al, 2017;Cassone et al, 2020), other microorganisms (Billiet et al, 2017;Sun et al, 2018;Zhang et al, 2018a;Vacheron et al, 2019) and irradiation (Cai et al, 2018;Stathopoulou et al, 2019) on insect-associated microbial communities. Interestingly, this study shows differences between control and treatment (regardless the nature of the treatment) in the structure but not in the diversity of insect-associated microbial communities.…”

Section: Response Of Bacterial Clades To Factors Influencing Insect Microbial Communitiesmentioning

confidence: 91%

Host species identity shapes the diversity and structure of insect microbiota

Malacrinò

2021

Preprint

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Microorganisms have an enormous impact on most of the life that inhabits our planet. Insects are an excellent example, as research showed that several microbial species are essential for insect nutrition, reproduction, fitness, defence and many other functions. More recently, we assisted to an exponential growth of studies describing the taxonomical composition of bacterial communities across insects' phylogeny. However, there is still an outstanding question that needs to be answered: which factors contribute most in shaping insects' microbiomes? This study tries to find an answer to this question by taking advantage of publicly available sequencing data and reanalysing over 4,000 samples of insect-associated bacterial communities under a common framework. Results suggest that insect taxonomy has a wider impact on the structure and diversity of their associated microbial communities than the other factors considered (diet, sex, life stage, sample origin and treatment). Also, a survey of the literature highlights several methodological limitations that needs to be considered in future research endeavours. This study proofs the amount of collective effort that lead to the current understanding of insect-microbiota interactions and their influence on insect biology, ecology and evolution with potential impact on insect conservation and management practices.

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Section: Response Of Bacterial Clades To Factors Influencing Insect Microbial Communitiesmentioning

confidence: 91%

Host species identity shapes the diversity and structure of insect microbiota

Malacrinò

2021

Preprint

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“…The widespread use of pyrethroids, such as alpha-cypermethrin, deltamethrin and PEM, in the ecosystem could modify the bacterial composition in mosquitoes, promoting insecticide-metabolizing microbiota, thus supporting insecticide resistance [ 92 ]. Further, methoprene, a biochemical insecticide, was capable of affecting the microbiota in larval mosquitoes, arising the abundances of Proteobacteria, and precisely the Gammaproteobacteria class and Enterobacteriaceae family [ 93 ]. In vitro analysis of intestinal epithelial cells confirms that gut microbiota activity can be disrupted by deltamethrin [ 18 ].…”

Section: Insecticidesmentioning

confidence: 99%

Toxicology and Microbiota: How Do Pesticides Influence Gut Microbiota? A Review

Giambò

Teodoro

Costa

et al. 2021

IJERPH

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In recent years, new targets have been included between the health outcomes induced by pesticide exposure. The gastrointestinal tract is a key physical and biological barrier and it represents a primary site of exposure to toxic agents. Recently, the intestinal microbiota has emerged as a notable factor regulating pesticides’ toxicity. However, the specific mechanisms related to this interaction are not well known. In this review, we discuss the influence of pesticide exposure on the gut microbiota, discussing the factors influencing gut microbial diversity, and we summarize the updated literature. In conclusion, more studies are needed to clarify the host–microbial relationship concerning pesticide exposure and to define new prevention interventions, such as the identification of biomarkers of mucosal barrier function.

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“…All specimens were immediately preserved in 95% molecular grade ethanol within sealed glass vials for laboratory identification under a stereomicroscope using regional dichotomous keys (Belfiore 1983;Fochetti & Tiernod e Figueroa 2008;Moretti 1983;Rivosecchi 1984) and then weighed. This preservation approach was based on our previous success with describing the microbiomes of aquatic and terrestrial macroinvertebrates (Benbow et al, 2017;Pechal & Benbow 2016;Pechal et al, 2019;Receveur et al, 2018;Weatherbee et al, 2017). At the time of sampling, physical and chemical parameters were measured using multiparametric probes (physio-chemical properties [Quanta, Hydrolab]…”

Section: Sample Collectionsmentioning

confidence: 99%

“…To limit the influence of microbes present on the external surfaces of the insects, after preservation and immediately prior to nucleic acid isolation, all samples were surface decontaminated using a 10% hypochlorite wash followed by a triple rinse in sterile water as previously described (Ridley et al, 2012), and as we have done in previous work with aquatic macroinvertebrates (Pechal & Benbow 2016;Receveur et al, 2018). Following surface decontamination, samples were homogenized using sterile pestles as previously described (Pechal & Benbow 2016;Receveur et al, 2018).…”

Section: Nucleic Acid Isolation and Bioinformatic Data Processingmentioning

confidence: 99%

Insect-associated bacterial communities in an alpine stream

2019

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The roles of macroinvertebrate and microbial communities in stream ecosystems are recognized to be important to energy flow and nutrient cycling. While the linkages of these major groups of aquatic organisms has not been thoroughly investigated, determining how they interact is particularly important for understanding the mechanisms and potential evolutionary relationships that contribute to ecosystem processes, such as organic matter decomposition. We evaluated the microbiomes of several aquatic macroinvertebrate species differing in trophic ecology and belonging to different functional feeding groups at two sites along an Italian Alpine river with different elevation and environmental characteristics, one located above the tree-line and the other in a forested environment. We found that the internal microbial communities of the different insect species significantly varied in taxonomic and functional composition and could be used to classify samples to both species and environment. We demonstrated that functional differences existed between the microbiota of different macroinvertebrate species with variable feeding behaviors, and that species differences were more important, in this context, than environmental or habitat conditions. These results provide new information on how the microbiomes of macroinvertebrates may potentially be influenced by their hosts and habitat conditions in Alpine streams.

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Changes in Larval Mosquito Microbiota Reveal Non-target Effects of Insecticide Treatments in Hurricane-Created Habitats

Cited by 15 publications

References 60 publications

Host species identity shapes the diversity and structure of insect microbiota

Host species identity shapes the diversity and structure of insect microbiota

Toxicology and Microbiota: How Do Pesticides Influence Gut Microbiota? A Review

Insect-associated bacterial communities in an alpine stream

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