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Twenty-Five New Viruses Associated with the Drosophilidae (Diptera). | LitMetric

Twenty-Five New Viruses Associated with the Drosophilidae (Diptera).

Evol Bioinform Online

Institute of Evolutionary Biology, The University of Edinburgh, Edinburgh, UK.; Centre for Immunity, Infection and Evolution, The University of Edinburgh, Edinburgh, UK.

Published: July 2016

AI Article Synopsis

  • Drosophila melanogaster serves as a key laboratory model to study antiviral immunity and virus-host interactions in invertebrates.
  • A metagenomic RNA sequencing study on approximately 1600 adult flies identified 25 new RNA viruses across six Drosophila species, including well-known families like Iflaviruses and Rhabdoviruses.
  • The research also confirmed previously unreported natural infections with Flock House virus and Drosophila X virus in wild Drosophila immigrans and highlighted closely related DNA viruses, bringing the total count of DNA viruses in the Drosophilidae family to three.

Article Abstract

Drosophila melanogaster is an important laboratory model for studies of antiviral immunity in invertebrates, and Drosophila species provide a valuable system to study virus host range and host switching. Here, we use metagenomic RNA sequencing of about 1600 adult flies to discover 25 new RNA viruses associated with six different drosophilid hosts in the wild. We also provide a comprehensive listing of viruses previously reported from the Drosophilidae. The new viruses include Iflaviruses, Rhabdoviruses, Nodaviruses, and Reoviruses, and members of unclassified lineages distantly related to Negeviruses, Sobemoviruses, Poleroviruses, Flaviviridae, and Tombusviridae. Among these are close relatives of Drosophila X virus and Flock House virus, which we find in association with wild Drosophila immigrans. These two viruses are widely used in experimental studies but have not been previously reported to naturally infect Drosophila. Although we detect no new DNA viruses, in D. immigrans and Drosophila obscura, we identify sequences very closely related to Armadillidium vulgare iridescent virus (Invertebrate iridescent virus 31), bringing the total number of DNA viruses found in the Drosophilidae to three.

Download full-text PDF

Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4915790PMC
http://dx.doi.org/10.4137/EBO.S39454DOI Listing

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