Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Metagenomic Analysis of Viromes of Aedes Mosquitoes across India

Version 1 : Received: 6 December 2023 / Approved: 14 December 2023 / Online: 14 December 2023 (06:38:31 CET)

A peer-reviewed article of this Preprint also exists.

Gangopadhayya, A.; Lole, K.; Ghuge, O.; Ramdasi, A.; Kamble, A.; Roy, D.; Thakar, S.; Nath, A.; Sudeep, A.; Cherian, S. Metagenomic Analysis of Viromes of Aedes Mosquitoes across India. Viruses 2024, 16, 109. Gangopadhayya, A.; Lole, K.; Ghuge, O.; Ramdasi, A.; Kamble, A.; Roy, D.; Thakar, S.; Nath, A.; Sudeep, A.; Cherian, S. Metagenomic Analysis of Viromes of Aedes Mosquitoes across India. Viruses 2024, 16, 109.

Abstract

Metagenomic analysis of Aedes aegypti and Ae. albopictus mosquitoes from diverse geographical regions of India revealed presence of several insect viruses of human interest. Most abundant reads found in Ae. aegypti mosquitoes were Phasi-Charoen like virus (PCLV), Choristoneura fumiferana granulovirus (CfGV), Cell fusing agent virus (CFAV) and Wenzhou sobemo-like virus 4 (WSLV4), whereas WSLV4 and CfGV constituted the highest percentage in Ae. albopictus viromes. Other reads which were of low percentage included Hubei mosquito virus 2, Porcine astrovirus 4 and Wild Boar astrovirus. PCLV and CFAV, which were found to be abundant in Ae. aegypti viromes, were absent in Ae. albopictus viromes. Among the viromes analyzed, Ae. aegypti sampled from Pune showed highest percentage (79.82%) of viral reads while Ae. aegypti mosquitoes sampled from Dibrugarh showed lowest percentage (3.47%). Shamonda orthobunyavirus, African swine fever virus, Aroa virus and Ilheus virus, having potential to infect vertebrates including humans, were also detected in both mosquito species, albeit in low read numbers. Reads of gemykibivirus, avian retrovirus, bacteriophages, herpesviruses and viruses infecting protozoans, algae, etc. were also detected in the mosquitoes. A high percentage of reads in the Ae. albopictus mosquito samples remained unclassified and warrant further investigation. Data generated in the present work may not only lead to studies to explain the influence of these viruses on replication and transmission of viruses of clinical importance but also find application as biocontrol agents against pathogenic viruses.

Keywords

Virome; Aedes aegypti; Aedes albopictus; PCLV; CFAV; CfGV

Subject

Biology and Life Sciences, Virology

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