exposure to west nile virus increases bacterial diversity and immune gene expression in culex pipiens

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ID: 177868
2015
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Abstract
Complex interactions between microbial residents of mosquitoes and arboviruses are likely to influence many aspects of vectorial capacity and could potentially have profound effects on patterns of arbovirus transmission. Such interactions have not been well studied for West Nile virus (WNV; Flaviviridae, Flavivirus) and Culex spp. mosquitoes. We utilized next-generation sequencing of 16S ribosomal RNA bacterial genes derived from Culex pipiens Linnaeus following WNV exposure and/or infection and compared bacterial populations and broad immune responses to unexposed mosquitoes. Our results demonstrate that WNV infection increases the diversity of bacterial populations and is associated with up-regulation of classical invertebrate immune pathways including RNA interference (RNAi), Toll, and Jak-STAT (Janus kinase-Signal Transducer and Activator of Transcription). In addition, WNV exposure alone, without the establishment of infection, results in similar alterations to microbial and immune signatures, although to a lesser extent. Multiple bacterial genera were found in greater abundance inWNV-exposed and/or infected mosquitoes, yet the most consistent and notable was the genus Serratia.
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zink2015virusesexposure Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Steven D. Zink;Greta A. Van Slyke;Michael J. Palumbo;Laura D. Kramer;Alexander T. Ciota
Journal International journal of pharmaceutics
Year 2015
DOI
10.3390/v7102886
URL
http://www.mdpi.com/1999-4915/7/10/2886
Keywords
arbovirus microbiome west nile virus

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