Coquillettidia Mosquitoes as Vectors of Avian Malaria in Africa
Author Information
Author(s): Njabo Kevin Y, Cornel Anthony J, Sehgal Ravinder N M, Loiseau Claire, Buermann Wolfgang, Harrigan Ryan J, Pollinger John, Valkiūnas Gediminas, Smith Thomas B
Primary Institution: Center for Tropical Research, UCLA Institute of the Environment, Los Angeles, California, USA
Hypothesis
Are Coquillettidia mosquitoes natural vectors of avian malaria in Africa?
Conclusion
Coquillettidia mosquitoes are confirmed as important vectors of avian malaria, harboring multiple distinct Plasmodium lineages.
Supporting Evidence
- 33% of mosquito pools tested positive for avian Plasmodium spp.
- Sporozoites were found in the salivary glands of Coquillettidia aurites.
- At least eight distinct Plasmodium lineages were identified.
- Coquillettidia aurites showed a significantly higher infection rate in Ndibi than in Nkouak.
- Two known lineages (PV11 and PV12) were among the most common.
- Coquillettidia spp. are confirmed as major vectors for avian malaria.
- High diversity of Plasmodium parasites was found in Coquillettidia mosquitoes.
Takeaway
This study found that certain mosquitoes can spread bird malaria, which is important for understanding how the disease works in nature.
Methodology
Mosquitoes were collected from lowland forests in Cameroon, and their DNA was tested for Plasmodium using PCR.
Potential Biases
Potential bias in sampling methods and environmental factors affecting mosquito collection.
Limitations
The study was limited to specific geographic areas and may not represent all Coquillettidia species.
Participant Demographics
Mosquitoes collected from lowland forests in Cameroon.
Statistical Information
P-Value
p<0.001
Statistical Significance
p<0.001
Digital Object Identifier (DOI)
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