Cellular and Molecular Life Sciences

, Volume 74, Issue 11, pp 2039–2054 | Cite as

Innate and intrinsic antiviral immunity in Drosophila

  • Assel Mussabekova
  • Laurent Daeffler
  • Jean-Luc Imler
Review

Abstract

The fruit fly Drosophila melanogaster has been a valuable model to investigate the genetic mechanisms of innate immunity. Initially focused on the resistance to bacteria and fungi, these studies have been extended to include antiviral immunity over the last decade. Like all living organisms, insects are continually exposed to viruses and have developed efficient defense mechanisms. We review here our current understanding on antiviral host defense in fruit flies. A major antiviral defense in Drosophila is RNA interference, in particular the small interfering (si) RNA pathway. In addition, complex inducible responses and restriction factors contribute to the control of infections. Some of the genes involved in these pathways have been conserved through evolution, highlighting loci that may account for susceptibility to viral infections in humans. Other genes are not conserved and represent species-specific innovations.

Keywords

Argonaute 2 Dicer-2 Jak/STAT pathway IMD pathway NF-κB 

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Copyright information

© Springer International Publishing 2017

Authors and Affiliations

  1. 1.Institut de Biologie Moléculaire et Cellulaire, CNRS UPR9022Université de StrasbourgStrasbourgFrance
  2. 2.Faculté des Sciences de la VieUniversité de StrasbourgStrasbourgFrance

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