Review of the role of gut microbiota in mass rearing of the olive fruit fly, <i><scp>B</scp>actrocera oleae</i>, and its parasitoids

Ras, Erica; Beukeboom, Leo W.; Cáceres, Carlos; Bourtzis, Kostas

doi:10.1111/eea.12609

Cited by 36 publications

(42 citation statements)

References 151 publications

(236 reference statements)

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“…However, the extremely laborious and cost‐intensive mass‐rearing procedure impeded any further progress (Estes et al., ). One of the challenges faced in the mass rearing of B. oleae is the development of an adequate artificial larval diet, due to the monophagy of the larvae (Manoukas, ; Estes et al., ; Ras et al., ), a common issue with specialist feeders (Parker, ). Although current artificial diets allow larval development, they are still expensive, laborious, and do not provide consistent survival or quality of all life stages of the insect (Estes et al., ; Ahmad et al., ; Ras et al., ).…”

Section: Introductionmentioning

confidence: 99%

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The effects of geographic origin and antibiotic treatment on the gut symbiotic communities of Bactrocera oleae populations

Koskinioti

Ras

Augustinos

et al. 2019

Entomologia Exp Applicata

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The olive fruit fly, Bactrocera oleae (Rossi) (Diptera: Tephritidae), is the major insect pest of olive orchards (Olea europaea L.), causing extensive damages on cultivated olive crops worldwide. Due to its economic importance, it has been the target species for a variety of population control approaches including the sterile insect technique (SIT). However, the inefficiency of the current mass‐rearing techniques impedes the successful application of area‐wide integrated pest management programs with an SIT component. It has been shown that insect mass rearing and quality of sterile insects can be improved by the manipulation of the insect gut microbiota and probiotic applications. In order to exploit the gut bacteria, it is important to investigate the structure of the gut microbial community. In the current study, we characterized the gut bacterial profile of two wild olive fruit fly populations introduced in laboratory conditions using next generation sequencing of two regions of the 16S rRNA gene. We compared the microbiota profiles regarding the geographic origin of the samples. Additionally, we investigated potential changes in the gut bacteria community before and after the first exposure of the wild adult flies to artificial adult diet with and without antibiotics. Various genera – such as Erwinia, Providencia, Enterobacter, and Klebsiella – were detected for the first time in B. oleae. The most dominant species was Candidatus Erwinia dacicola Capuzzo et al. and it was not affected by the antibiotics in the artificial adult diet used in the first generation of laboratory rearing. Geographic origin affected the overall structure of the gut community of the olive fruit fly, but antibiotic treatment in the first generation did not significantly alter the gut microbiota community.

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Section: Introductionmentioning

confidence: 99%

“…(Ben-Yosef et al, 2015), Klebsiella sp., and Serratia sp. (Tsiropoulos, 1983;Konstantopoulou et al, 2005) have also been identified in lower densities in wild populations (reviewed in Ras et al, 2017). Adaptation to laboratory conditions leads to the loss of Ca.…”

Section: Introductionmentioning

confidence: 99%

The effects of geographic origin and antibiotic treatment on the gut symbiotic communities of Bactrocera oleae populations

Koskinioti

Ras

Augustinos

et al. 2019

Entomologia Exp Applicata

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“…The variation in densities was correlated with abundances of bacterial species belonging to the genera Pantoea and Burkholderia, indicating potential stable associations and modulated interaction between these bacteria in the gut of olive fruit fly larvae (Ben-Yosef et al, 2015). Whether or not these other bacteria are also required for nutrient provisioning and overcoming host defenses is yet unclear (Ras et al, 2017).…”

Section: Nutrient Provisioning By Bacteriamentioning

confidence: 99%

The microbiome of pest insects: it is not just bacteria

Gurung

Wertheim

Salles

2019

Entomologia Exp Applicata

129

106

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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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“…As Ras et al (2017) also argued, SIT can be used as part of a wider IPM strategy. Toledo et al (2017) presented data on a relatively new topic relevant to SIT in this context, by showing that male medflies intended for use in SIT can be simultaneously deployed as autoinoculation devices for fungal pathogens potentially lethal to insects.…”

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confidence: 98%

“…Interest in the gut microbiota of insects has also increased, especially in the context of captive rearing for biocontrol purposes. In this special issue, Ras et al (2017) reviewed the evidence for the role of the gut microbiota of the olive fruit fly, Bactrocera oleae (Rossi) (Diptera: Tephritidae), and how the microbiota may help in maximizing the efficiency of rearing these flies in captivity for use in an integrated pest management (IPM) program that has an SIT component.…”

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confidence: 99%