A Possible Mechanism for the Suppression of Plasmodium berghei Development in the Mosquito Anopheles gambiae by the Microsporidian Vavraia culicis Induced Plasmodium Suppression
2009

How a Parasite Helps Mosquitoes Fight Malaria

Sample size: 1200 publication 10 minutes Evidence: moderate

Author Information

Author(s): Irka Bargielowski, Jacob C. Koella

Primary Institution: Imperial College London

Hypothesis

Does V. culicis stimulate the immune system and suppress the development of P. berghei in mosquitoes?

Conclusion

Microsporidian-infected mosquitoes are less likely to harbor malaria oocysts and show a stronger immune response than uninfected controls.

Supporting Evidence

  • Microsporidian-infected mosquitoes were less likely to harbor oocysts than uninfected controls.
  • Infected mosquitoes had a stronger melanisation response compared to controls.
  • The study involved a large sample size of 1200 larvae.

Takeaway

When mosquitoes get infected with a certain parasite, they become better at fighting off malaria.

Methodology

The study involved infecting mosquito larvae with microsporidian and then testing the adult mosquitoes for their immune response and malaria infection success.

Potential Biases

The results may be influenced by the specific isolates used and the experimental conditions.

Limitations

The study used only four isolates of the microsporidian, limiting the ability to detect correlations.

Participant Demographics

The study focused on the G3 strain of Anopheles gambiae mosquitoes.

Statistical Information

P-Value

p<0.001

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0004676

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