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Trypanosomatid parasites in Austrian mosquitoes
Ellen Schoener1, Sarah Susanne Uebleis1, Claudia Cuk1
1Institute of Parasitology, Department of Pathobiology, University of Veterinary Medicine Vienna, Vienna, Austria.
Plos One
|April 20, 2018
Summary
This study reveals diverse trypanosomatid parasites in Austrian mosquitoes. Seven species were identified, with multiple infections common, highlighting the need for further research on these flagellates.
Area of Science:
- Veterinary Parasitology
- Medical Entomology
- Molecular Biology
Background:
- Trypanosomatid flagellates are important parasites with limited study in Austria.
- Mosquitoes are known vectors for various pathogens, including trypanosomes.
Purpose of the Study:
- To investigate the occurrence and diversity of trypanosomatid parasites in wild-caught mosquitoes in Eastern Austria.
- To identify specific trypanosomatid species and their hosts using molecular methods.
Main Methods:
- Nested PCR targeting the ribosomal small subunit was employed.
- 29,975 mosquitoes from 19 species were collected and pooled.
- Positive pools were analyzed for trypanosomatid species identification.
Main Results:
- 17.7% of mosquito pools tested positive for trypanosomatid DNA.
- Seven trypanosomatid species (three Trypanosoma, three Crithidia, one Herpetomonas) were identified.
- The Trypanosoma theileri/cervi complex and T. culicavium were the most frequent species; mixed infections occurred in one-third of positive pools.
Conclusions:
- This is the first large-scale study detailing trypanosomatid diversity in Austrian mosquitoes.
- Coquillettidia richiardii harbored the highest parasite diversity.
- Findings provide a crucial overview of trypanosomatid prevalence and diversity in Austria.
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