Cloning and sequencing of columbid circovirus (CoCV), a new circovirus from pigeons

  • Mankertz A
  • Hattermann K
  • Ehlers B
 et al. 
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Abstract

The complete nucleotide sequence of columbid circovirus (CoCV) isolated from pigeons is described. CoCV was amplified using a consensus primer PCR approach directed against conserved sequences within the rep genes of vertebrate circoviruses. The genome of CoCV is circular and 2037 nt in size. It displays 55% homology to the genome of psittacine beak and feather disease virus and is more distantly related (< 40% homology) to porcine circovirus type 1 and 2. Two major open reading frames were identified, encoding the replicase and the putative capsid protein of CoCV. A region similar to the origin of replication of other circoviruses was found: it encompasses a stem-loop structure with the nonamer 5'-TAGTATTAC, conserved in circo-, nano- and geminiviruses. Phylogenetic analyses suggest classification of CoCV as member of the genus Circovirus of the virus family Circoviridae.

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Authors

  • A. Mankertz

  • K. Hattermann

  • B. Ehlers

  • D. Soike

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