Author:
Oguzie Judith U.,Nwangwu Udoka C.,Oluniyi Paul E.,Olumade Testimony J.,George Uwem E.,Kazeem Akano,Bankole Bolajoko E.,Brimmo Farida O.,Asadu Chukwuemeka C.,Chukwuekezie Okechukwu C.,Ochu Josephine C.,Makwe Catherine O.,Dogunro Festus A.,Onwude Cosmas O.,Nwachukwu William E.,Ezihe Ebuka K.,Okonkwo Gilkenny K.,Umazi Ndubuisi E.,Maikere Jacob,Agashi Nneka O.,Eloy Emelda I.,Anokwu Stephen O.,Okoronkwo Angela I.,Nwosu Ebuka M.,Etiki Sandra O.,Ngwu Ifeoma M.,Ihekweazu Chikwe,Folarin Onikepe A.,Komolafe Isaac O. O.,Happi Christian T.
Abstract
AbstractMosquito vectors are a tremendous public health threat. One in six diseases worldwide is vector-borne transmitted mainly by mosquitoes. In the last couple of years, there have been active Yellow fever virus (YFV) outbreaks in many settings in Nigeria, and nationwide, entomological surveillance has been a significant effort geared towards understanding these outbreaks. In this study, we used a metagenomic sequencing approach to characterize viruses present in vector samples collected during various outbreaks of Yellow fever (YF) in Nigeria between 2017 and 2020. Mosquito samples were grouped into pools of 1 to 50 mosquitoes, each based on species, sex and location. Twenty-five pools of Aedes spp and one pool of Anopheles spp collected from nine states were sequenced and metagenomic analysis was carried out. We identified a wide diversity of viruses belonging to various families in this sample set. Seven different viruses detected included: Fako virus, Phasi Charoen-like virus, Verdadero virus, Chaq like-virus, Aedes aegypti totivirus, cell fusing agent virus and Tesano Aedes virus. Although there are no reports of these viruses being pathogenic, they are an understudied group in the same families and closely related to known pathogenic arboviruses. Our study highlights the power of next generation sequencing in identifying Insect specific viruses (ISVs), and provide insight into mosquito vectors virome in Nigeria.
Publisher
Springer Science and Business Media LLC
Cited by
11 articles.
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