A change in the bacterial community of spider mites decreases fecundity on multiple host plants

Zhu, Yu‐Xi; Song, Yue‐Ling; Hoffmann, Ary A.; Jin, Peng‐Yu; Huo, Shi-Mei; Hong, Xiao‐Yue

doi:10.1002/mbo3.743

Cited by 27 publications

(37 citation statements)

References 83 publications

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“…In T. truncatus spider mites, Zhu et al () showed that antibiotic treatment affects the composition of the bacterial community even after more than 20 generations without antibiotics. In particular, bacteria from different families increased in proportion in tetracycline‐treated mites in absence of the Anaplasmataceae (which includes Wolbachia ).…”

Section: Discussionmentioning

confidence: 99%

Population‐specific effect of Wolbachia on the cost of fungal infection in spider mites

Zélé

Altıntaş

Santos

et al. 2020

Ecology and Evolution

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Many studies have revealed the ability of the endosymbiotic bacterium Wolbachia to protect its arthropod hosts against diverse pathogens. However, as Wolbachia may also increase the susceptibility of its host to infection, predicting the outcome of a particular Wolbachia-host-pathogen interaction remains elusive. Yet, understanding such interactions and their eco-evolutionary consequences is crucial for disease and pest control strategies. Moreover, how natural Wolbachia infections affect artificially introduced pathogens for biocontrol has never been studied. Tetranychus urticae spider mites are herbivorous crop pests, causing severe damage on numerous economically important crops. Due to the rapid evolution of pesticide resistance, biological control strategies using entomopathogenic fungi are being developed. However, although spider mites are infected with various Wolbachia strains worldwide, whether this endosymbiont protects them from fungi is as yet unknown. Here, we compared the survival of two populations, treated with antibiotics or naturally harboring different Wolbachia strains, after exposure to the fungal biocontrol agents Metarhizium brunneum and Beauveria bassiana. To control for potential effects of the bacterial community of spider mites, we also compared the susceptibility of two populations naturally uninfected by Wolbachia, treated with antibiotics or not. In one population, Wolbachia-infected mites had a better survival than uninfected ones in absence of fungi but not in their presence, whereas in the other population Wolbachia increased the mortality induced by B. bassiana. In one naturally Wolbachia-uninfected population, the antibiotic treatment increased the susceptibility of spider mites to M. brunneum, but it had no effect in the other treatments. These results suggest that natural Wolbachia infections may not hamper and may even improve the success of biological control using entomopathogenic fungi. However, they also draw caution on the generalization of such effects, given the complexity of within-host-pathogens interaction and the potential eco-evolutionary consequences of the use of biocontrol agents for Wolbachia-host associations. | 3869ZÉLÉ et aL.

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Section: Discussionmentioning

confidence: 99%

Population‐specific effect of Wolbachia on the cost of fungal infection in spider mites

Zélé

Altıntaş

Santos

et al. 2020

Ecology and Evolution

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“…Microbial community homeostasis, which is needed to maintain normal host physiology, can be disturbed by several factors, such as temperature, weather and changes in Correspondence: Xiao-Yue Hong, Department of Entomology, Nanjing Agricultural University, Nanjing 210095, China. Tel: +86 25 84395339; fax: +86 25 84395339; Email: xyhong@njau.edu.cn the host (Zhu et al, 2018). Antibiotic treatment severely alters the size and composition of the microbial community in humans and domesticated animals (Huse et al, 2008).…”

Section: Introductionmentioning

confidence: 99%

Antibiotic exposure perturbs the bacterial community in the small brown planthopper Laodelphax striatellus

Zhang

Zhou

et al. 2019

Insect Science

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Bacteria symbionts in herbivores play an important role in host biology and ecology, and are affected by environmental factors such as temperature, diet, habitat, antibiotics and so on. However, the effects of antibiotics on the microbiome of the small brown planthopper Laodelphax striatellus (SBPH) remain unclear. Here, we studied the effects of tetracycline on the diversity and composition of bacterial colonies in different tissues of SBPH using high throughput sequencing of 16S ribosomal RNA amplicons. Our results show that Proteobacteria, Firmicutes, Bacteroidetes, Actinobacteria were most abundant in SBPH, and the genera Asaia and Wolbachia were most abundant in all body parts of SBPH. Antibiotic treatment had persistent effects on the composition of the SBPH microbiome. Tetracycline depleted the population of Firmicutes, Bacteroidetes, Tenericutes and Fusobacteria, and nearly 100% eliminated Wolbachia, Bacteroides and Abiotrophia in SBPH. Together, these results suggest that antibiotic exposure affects the bacteria symbionts of different body parts in SBPH and will facilitate future studies of the bacterial symbionts of arthropod hosts.

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“…However, antibiotics do not affect Wolbachia only, but also the entire bacterial community in hosts (e.g. Lehman et al 2009;Zhu et al 2018;Zouache et al 2009), which raises the necessity to assess the potential effect of the antibiotic treatment per se.…”

Section: Discussionmentioning

confidence: 99%

“…In T. truncatus spider mites, Zhu et al (2018) showed that an antibiotic treatment (tetracycline hydrochloride during three generations) strongly affects the composition of the bacterial community even after more than 20 generations without antibiotics. In particular, these authors showed that bacteria from different families strongly increased in proportion in tetracycline-treated mites in absence of the Anaplasmataceae The apparent facilitation of B. bassiana by Wolbachia in the TOM population may also be due to…”

Section: Discussionmentioning

confidence: 99%

Population-specific effect ofWolbachiaon the cost of fungal infection in spider mites

Zélé

Altıntaş

Santos

et al. 2019

Preprint

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Many studies have revealed the ability of the endosymbiotic bacteria Wolbachia to protect its arthropod hosts against diverse pathogens. However, as Wolbachia may also increase the susceptibility of its host to infection, predicting the outcome of a particular Wolbachia-host-pathogen interaction remains elusive. Yet, understanding such interactions is crucial for disease and pest control strategies. Tetranychus urticae spider mites are herbivorous crop pests, causing severe damage on numerous economically important crops. Due to the rapid evolution of pesticide resistance, biological control strategies using generalist entomopathogenic are being developed. However, although spider mites are infected with various Wolbachia strains worldwide, whether this endosymbiont protects them from fungi is as yet unknown. Here, we compared the survival of two populations, treated with antibiotics or harbouring different Wolbachia strains, after exposure to the fungal biocontrol agents Metarhizium brunneum and Beauveria bassiana. In one population, Wolbachia affected survival in absence of fungi but not in their presence, whereas in the other population Wolbachia increased the mortality induced by B. bassiana. To control for potential effects of the bacterial community of spider mites, we also compared the susceptibility of two populations naturally uninfected by Wolbachia, treated with antibiotics or not. The antibiotic treatment increased the susceptibility of spider mites to M. brunneum in one naturally Wolbachia-uninfected population, but it had no effect in the other treatments.These results highlight the complexity of within-host pathogens interactions, and the importance of considering the whole bacterial community of arthropods when assessing the effect of Wolbachia in a particular system. KEY-WORDSTetranychus urticae; entomopathogenic fungi; parasite-induced mortality; endosymbionts; bacterial community; antibiotic treatment.

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A change in the bacterial community of spider mites decreases fecundity on multiple host plants

Cited by 27 publications

References 83 publications

Population‐specific effect of Wolbachia on the cost of fungal infection in spider mites

Population‐specific effect of Wolbachia on the cost of fungal infection in spider mites

Antibiotic exposure perturbs the bacterial community in the small brown planthopper Laodelphax striatellus

Population-specific effect ofWolbachiaon the cost of fungal infection in spider mites

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