↓ Skip to main content

The impact of Wolbachia infection on the rate of vertical transmission of dengue virus in Brazilian Aedes aegypti

Overview of attention for article published in Parasites & Vectors, June 2017
Altmetric Badge

About this Attention Score

  • In the top 25% of all research outputs scored by Altmetric
  • Good Attention Score compared to outputs of the same age (73rd percentile)
  • Good Attention Score compared to outputs of the same age and source (73rd percentile)

Mentioned by

twitter
10 X users

Citations

dimensions_citation
13 Dimensions

Readers on

mendeley
78 Mendeley
You are seeing a free-to-access but limited selection of the activity Altmetric has collected about this research output. Click here to find out more.
Title
The impact of Wolbachia infection on the rate of vertical transmission of dengue virus in Brazilian Aedes aegypti
Published in
Parasites & Vectors, June 2017
DOI 10.1186/s13071-017-2236-z
Pubmed ID
Authors

Etiene Casagrande Pacidônio, Eric Pearce Caragata, Debora Magalhães Alves, João Trindade Marques, Luciano Andrade Moreira

Abstract

Wolbachia pipientis is a common endosymbiotic bacterium of arthropods that strongly inhibits dengue virus (DENV) infection and transmission in the primary vector, the mosquito Aedes aegypti. For that reason, Wolbachia-infected Ae. aegypti are currently being released into the field as part of a novel strategy to reduce DENV transmission. However, there is evidence that DENV can be transmitted vertically from mother to progeny, and this may help the virus persist in nature in the absence of regular human transmission. The effect of Wolbachia infection on this process had not previously been examined. We challenged Ae. aegypti with different Brazilian DENV isolates either by oral feeding or intrathoracic injection to ensure disseminated infection. We examined the effect of Wolbachia infection on the prevalence of DENV infection, and viral load in the ovaries. For orally infected mosquitoes, Wolbachia decreased the prevalence of infection by 71.29%, but there was no such effect when the virus was injected. Interestingly, regardless of the method of infection, Wolbachia infection strongly reduced DENV load in the ovaries. We then looked at the effect of Wolbachia on vertical transmission, where we observed only very low rates of vertical transmission. There was a trend towards lower rates in the presence of Wolbachia, with overall maximum likelihood estimate of infection rates of 5.04 per 1000 larvae for mosquitoes without Wolbachia, and 1.93 per 1000 larvae for Wolbachia-infected mosquitoes, after DENV injection. However, this effect was not statistically significant. Our data support the idea that vertical transmission of DENV is rare in nature, even in the absence of Wolbachia. Indeed, we observed that vertical transmission rates were low even when the midgut barrier was bypassed, which might help to explain why we only observed a trend towards lower vertical transmission rates in the presence of Wolbachia. Nevertheless, the low prevalence of disseminated DENV infection and lower DENV load in the ovaries supports the hypothesis that the presence of Wolbachia in Ae. aegypti would have an effect on the vertical transmission of DENV in the field.

X Demographics

X Demographics

The data shown below were collected from the profiles of 10 X users who shared this research output. Click here to find out more about how the information was compiled.
Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 78 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 78 100%

Demographic breakdown

Readers by professional status Count As %
Researcher 18 23%
Student > Master 13 17%
Student > Bachelor 12 15%
Student > Ph. D. Student 10 13%
Other 3 4%
Other 7 9%
Unknown 15 19%
Readers by discipline Count As %
Agricultural and Biological Sciences 20 26%
Biochemistry, Genetics and Molecular Biology 16 21%
Medicine and Dentistry 9 12%
Social Sciences 4 5%
Environmental Science 3 4%
Other 9 12%
Unknown 17 22%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 7. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 13 October 2020.
All research outputs
#5,042,100
of 24,079,362 outputs
Outputs from Parasites & Vectors
#1,111
of 5,679 outputs
Outputs of similar age
#84,423
of 320,556 outputs
Outputs of similar age from Parasites & Vectors
#40
of 148 outputs
Altmetric has tracked 24,079,362 research outputs across all sources so far. Compared to these this one has done well and is in the 78th percentile: it's in the top 25% of all research outputs ever tracked by Altmetric.
So far Altmetric has tracked 5,679 research outputs from this source. They typically receive a little more attention than average, with a mean Attention Score of 5.9. This one has done well, scoring higher than 80% of its peers.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 320,556 tracked outputs that were published within six weeks on either side of this one in any source. This one has gotten more attention than average, scoring higher than 73% of its contemporaries.
We're also able to compare this research output to 148 others from the same source and published within six weeks on either side of this one. This one has gotten more attention than average, scoring higher than 73% of its contemporaries.