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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
immunology and microbiology
Longitudinal Study of Viral Diversity Associated with Mosquito Species Circulating in Cambodia
Viruses, Volume 15, No. 9, Article 1831, Year 2023
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Description
Arthropod-borne viruses (arboviruses) pose a significant global health threat and are primarily transmitted by mosquitoes. In Cambodia, there are currently 290 recorded mosquito species, with at least 17 of them considered potential vectors of arboviruses to humans. Effective surveillance of virome profiles in mosquitoes from Cambodia is vital, as it could help prevent and control arbovirus diseases in a country where epidemics occur frequently. The objective of this study was to identify and characterize the viral diversity in mosquitoes collected during a one-year longitudinal study conducted in various habitats across Cambodia. For this purpose, we used a metatranscriptomics approach and detected the presence of chikungunya virus in the collected mosquitoes. Additionally, we identified viruses categorized into 26 taxa, including those known to harbor arboviruses such as Flaviviridae and Orthomyxoviridae, along with a group of viruses not yet taxonomically identified and provisionally named “unclassified viruses”. Interestingly, the taxa detected varied in abundance and composition depending on the mosquito genus, with no significant influence of the collection season. Furthermore, most of the identified viruses were either closely related to viruses found exclusively in insects or represented new viruses belonging to the Rhabdoviridae and Birnaviridae families. The transmission capabilities of these novel viruses to vertebrates remain unknown. © 2023 by the authors.
Authors & Co-Authors
Rakotonirina, Antsa
Cambodia, Phnom Penh
Institut Pasteur du Cambodge
Volant, Stevenn
France, Paris
Institut Pasteur, Paris
Temmam, Sarah
France, Paris
Institut Pasteur, Paris
Boyer, Sebastien
Cambodia, Phnom Penh
Institut Pasteur du Cambodge
France, Paris
Institut Pasteur, Paris
Éloit, Marc E.
France, Paris
Institut Pasteur, Paris
France, Maisons-alfort
Ecole Nationale Vétérinaire D'alfort
Statistics
Authors: 5
Affiliations: 3
Identifiers
Doi:
10.3390/v15091831
ISSN:
19994915
Study Design
Cohort Study
Study Approach
Quantitative