ArticleParasites & vectors2026
Comparative vector competence analysis reveals differential Tembusu virus transmission efficiency between Aedes albopictus and Culex quinquefasciatus.
Article in Parasites & vectors, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Who cites it
1 citing paper in PubMed.
- Adaptive evolution of tembusu virus enhances mammalian pathogenicity and vector competence.Microbiology spectrum · 2026Article
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22 authors.
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No grant is acknowledged in the PubMed record.
Abstract
backgroundThe Tembusu virus (TMUV) is a mosquito-borne pathogen affecting the birds, causing economic losses in poultry and potential public health risks. Research mainly focuses on virus's characteristics and its interaction with birds, especially the ducks, while entomological studies monitor mosquito populations for epidemiological insights. TMUV's transmission dynamics are not fully understood, with varying abilities of mosquito species to transmit the virus. There is limited research on the vector competence and vertical transmission potential of different mosquito species, particularly in China. We compared the vector competence of Culex quinquefasciatus and Aedes albopictus for TMUV.
methodsThe vector competence of Culex quinquefasciatus and Aedes albopictus for TMUV was assessed through intrathoracic microinjection and artificial membrane feeding techniques. Mosquitoes were sampled at 1-, 3-, 6-, and 9-days post-inoculation (dpi) following intrathoracic microinjection of TMUV, and at 4-, 8-, and 14-dpi following artificial membrane feeding. Samples of heads, midguts, and salivary glands were collected for subsequent analysis. Furthermore, the potential for vertical transmission of TMUV over two gonotrophic cycles was evaluated using the artificial membrane feeding approach. The distribution of TMUV within various organs and tissues of both mosquito species at 4-, 8-, and 14-dpi was investigated by immunofluorescence assays.
resultsThe findings suggest that both Culex quinquefasciatus and Aedes albopictus are effective carriers of TMUV, with Aedes albopictus showing greater vector competence. Vertical transmission of TMUV was observed in both species across two successive oviposition cycles, with Aedes albopictus displaying slightly higher efficiency.
conclusionsThis study represents the inaugural comparative assessment of vector competence between Sichuan-native Culex quinquefasciatus and Aedes albopictus (Guangzhou) for TMUV, thereby addressing critical research gaps and providing novel insights for the development of TMUV biocontrol strategies.
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