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Global mosquito virome profiling and mosquito spatial diffusion pathways revealed by marker-viruses

Zhao, L.; Yu, P.; Shi, C.; Jia, L.; Evans, A.; Wang, X.; Wu, Q.; Xiong, G.; Ming, Z.; Salazar, F.; Agwanda, B.; Bente, D.; Wang, F.; Liu, D.; Yuan, Z.; Xia, H.

2022-09-24 microbiology
10.1101/2022.09.24.509300 bioRxiv
Show abstract

Mosquitoes are vectors of numerous emergence and reemergence of mosquito-borne diseases, leading to an overwhelming global challenge. The boom in metagenomic studies promoted the increase of mosquito viruses being described, and studies from different regions of the world showed that mosquitoes harbor abundant and diverse viromes. However, there is still a lack of large-scale systematic comparison of viromes among various ecological factors such as the mosquito species/genera, location, etc, and consistent patterns associated with these factors are not clear. Here, we provide an overview of virome profiling that integrated the perspective of mosquito genus, locations, and climates based on the global scale, and redefined the core-virome. Our results also further implicate some mosquito-associated viruses strongly associated with the ecological factors and highlighted the evidence of mosquitoes cross-regional movements by the candidate marker viruses. The study may be helpful in gaining new insights into strategies to prevent arbovirus epidemics.

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