Success and failure of horizontal transfers of feminizing <i>Wolbachia</i> endosymbionts in woodlice

Rigaud, Thierry; Juchault, P.

doi:10.1046/j.1420-9101.1995.8020249.x

Cited by 116 publications

(111 citation statements)

References 12 publications

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“…9), this process may circumvent some barriers to vertical transmission (9). Injection of later life stages is more likely to resemble the process of horizontal transfer that occurs in nature (9,(11)(12)(13)(14)(15). After injection of the same number of Wolbachia bacteria into each mosquito, the wAlbB strain developed significantly higher germ-line titers compared with wMelPop, and invaded A. gambiae ovaries at significantly elevated titers compared with A. stephensi (Kruskal-Wallis, P < 0.05) (Fig.…”

Section: Resultsmentioning

confidence: 99%

“…In order for Wolbachia to become established in a naïve host species, it must be acquired horizontally and successfully transmitted vertically (i.e., to offspring) to maintain the infection in the population. Multiple mechanisms of Wolbachia horizontal transmission have been proposed, including cohabitation, hemolymph transfer, predation, and parasitoid infection (11)(12)(13)(14)(15). After microinjection into Drosophila, Wolbachia infects the stem cell niches in the germ line (16,17), and both Wolbachiaderived and host factors appear to influence tropism and bacterial density during oogenesis (17)(18)(19)(20).…”

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confidence: 99%

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Native microbiome impedes vertical transmission of Wolbachia in Anopheles mosquitoes

Hughes¹,

Dodson²,

Johnson

et al. 2014

Proc. Natl. Acad. Sci. U.S.A.

232

222

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Significance Factors influencing Wolbachia transfer into new species remain poorly understood. This is important as Wolbachia can influence speciation and is being developed as a novel arthropod-borne disease control approach. We show the native microbiota of Anopheles impede vertical transmission of Wolbachia . Antibiotic microbiome perturbation enables Wolbachia transmission in two Anopheles species. Mosquitoes with altered microbiomes do not exhibit blood meal-induced mortality associated with Wolbachia infection, suggesting that mosquitoes are killed by interactions between Wolbachia and other bacteria present in the mosquito. We identified Asaia as the bacterium responsible for inhibiting Wolbachia transmission, and partially responsible for blood meal-induced mortality. These results suggest that microbial interactions profoundly affect the host, and that microbiome incompatibility may influence distribution of Wolbachia in arthropods.

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Section: Resultsmentioning

confidence: 99%

mentioning

confidence: 99%

Native microbiome impedes vertical transmission of Wolbachia in Anopheles mosquitoes

Hughes¹,

Dodson²,

Johnson

et al. 2014

Proc. Natl. Acad. Sci. U.S.A.

232

222

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“…Direct or indirect interactions during larval development may provide good opportunities for HT (e.g. Huigens et al 2000) and further opportunities may arise when the mature wasps emerge and mate inside the syconium, where some species engage in fights resulting in injuries and deaths (see also Rigaud & Juchault 1995).…”

Section: Discussion (A) High Incidence Of Wolbachia In Fig Waspsmentioning

confidence: 99%

Convergent incidences ofWolbachiainfection in fig wasp communities from two continents

Haine

Cook

2005

Proc. R. Soc. B.

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Wide surveys suggest that Wolbachia bacteria infect ca. 20% of all insect species, but particular taxonomic or ecological groups may display significantly higher or lower incidences. We studied 61 fig wasp species in Australia and found the highest known incidence (67%) of infection in a targeted study of this nature. A comparable study in Panama reported a similar figure (59%), confirming the exceptionally high incidence of Wolbachia in fig wasps. Importantly, these are two independent estimates of Wolbachia incidence in fig wasp communities, because no host species, or even genera, are shared between localities. The high level of infection may reflect enhanced opportunities for horizontal transmission inside fig fruits. Although incidence was similar in Panama and Australia, the actual strains involved were different and region-specific. Local strains were shared by several host species, although there was often no obvious (direct) ecological link between two hosts with the same infection.

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“…Wolbachia were first semi-naturally transferred in woodlice through blood-blood contact (Rigaud & Juchault 1995). Such transfers might occur in nature when individuals become injured during crowding.…”

Section: Introductionmentioning

confidence: 99%

Natural interspecific and intraspecific horizontal transfer of parthenogenesis–inducingWolbachiainTrichogrammawasps

Huigens¹,

Almeida

Boons³

et al. 2004

Proc. R. Soc. Lond. B

249

254

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The intracellular bacterium Wolbachia is one of the most common symbionts in arthropods and, because of its manipulative effects on host reproduction, is assumed to be an important factor in several evolutionary processes. These bacteria are mainly vertically transmitted from mother to daughter through the egg cytoplasm, and horizontal transmission is generally assumed to be rare. Here, we show natural inter-and intraspecific horizontal transfer of parthenogenesis-inducing Wolbachia between parasitoid wasps of the genus Trichogramma. Horizontal transfer was observed when infected and uninfected larvae shared the same host egg. This is the first report, to our knowledge, on interspecific horizontal transfer of Wolbachia between closely related sympatric species. Some originally uninfected immature wasps acquired Wolbachia while inside the host egg, but not all of these newly infected females exhibited the parthenogenesis phenotype. In general, intraspecific horizontal transfer was more successful than interspecific transfer. Wolbachia underwent vertical transmission in the new species but the infection tended to be lost within several generations. Our results have important implications for understanding the evolution of Wolbachia-host associations.

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Success and failure of horizontal transfers of feminizing Wolbachia endosymbionts in woodlice

Cited by 116 publications

References 12 publications

Native microbiome impedes vertical transmission of Wolbachia in Anopheles mosquitoes

Native microbiome impedes vertical transmission of Wolbachia in Anopheles mosquitoes

Convergent incidences ofWolbachiainfection in fig wasp communities from two continents

Natural interspecific and intraspecific horizontal transfer of parthenogenesis–inducingWolbachiainTrichogrammawasps

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