Genome analysis of a novel, highly divergent picornavirus from common kestrel (Falco tinnunculus): The first non-enteroviral picornavirus with type-I-like IRES

Akos Boros, Peter Pankovics, Peter Simmonds, Edit Pollak, Robert Matics, Tung Gia Phan, Eric Delwart, Gabor Reuter*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Although the number of identified avian-borne picornaviruses (family Picornaviridae) is continuously increasing there remains several species-rich avian host groups, such as the order Falconiformes (with 290 bird species) from which picornaviruses have not been identified. This study reports the first complete genome of a novel, highly divergent picornavirus, named as Falcovirus A1 (KP230449), from the carnivorous bird, the common kestrel (Falco tinnunculus, order Falconiformes). Falcovirus A1 has the longest 3D(RdRp) genome region and distant phylogenetic relationship to the Hepatitis A virus 1 (Hepatovirus) and Avian encephalomyelitis virus 1 (Tremovirus). It has a type-I (enterovirus-like) IRES in the 5'UTR - identified for the first time among avian-borne picornaviruses suggesting that type-I IRES is not restricted only to enteroviruses and providing further evidence of mosaicism of this region among different picornavirus genera. (C) 2015 Elsevier B.V. All rights reserved.

Original languageEnglish
Pages (from-to)425-431
Number of pages7
JournalInfection, Genetics and Evolution
Volume32
Early online date9 Apr 2015
DOIs
Publication statusPublished - Jun 2015

Keywords

  • Kestrel
  • Falcon
  • Picornavirus
  • IRES
  • Enterovirus
  • Avian
  • MULTIPLE SEQUENCE ALIGNMENT
  • RNA VIRUSES
  • NUCLEOTIDE
  • MEMBERS
  • RECOMBINATION
  • SUPERFAMILY
  • ELEMENTS
  • PROTEIN
  • FAMILY
  • GENERA

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