Molecular characterisation of an avihepadnavirus isolated from Psittacula krameri (ring-necked parrot) |
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| Authors: | Piasecki Tomasz Kurenbach Brigitta Chrz?stek Klaudia Bednarek Karolina Kraberger Simona Martin Darren P Varsani Arvind |
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| Institution: | (1) Department of Epizootiology with Clinic of Birds and Exotic Animals, Faculty of Veterinary Medicine, Wrocław University of Environmental and Life Sciences, 50-360 Wrocław, Poland;(2) School of Biological Sciences, University of Canterbury, Private Bag 4800, Christchurch, 8140, New Zealand;(3) Gen?k, Centre for Biosafety, The Science Park, P.O. Box 6418, Troms?, 9294, Norway;(4) Computational Biology Group, Institute of Infectious Diseases and Molecular Medicine, University of Cape Town, Observatory, Cape Town, 7925, South Africa;(5) Electron Microscope Unit, University of Cape Town, Rondebosch, Cape Town, 7701, South Africa;(6) School of Biological Sciences, Biomolecular Interaction Centre, University of Canterbury, Private Bag 4800, Christchurch, 8140, New Zealand; |
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| Abstract: | Avihepadnaviruses have been documented previously in ducks, herons, geese, storks and cranes. Here, we describe the full genome
of a new avihepadnavirus isolated from Psittacula krameri (ring-necked parrot) in Poland. The parrot hepatitis B virus (PHBV) genome (3042 bp) shares <76% sequence identity with other
avihepadnavirus isolates and is phylogenetically most closely related to heron and stork hepatitis B viruses isolates. PHBV
has a genome organization similar to that of other hepadnaviruses and contains ORFs for a preC/C, preS/S and polyprotein.
Additionally, we identified an X-like ORF in the genome of PHBV. The full-genome data will be useful in developing screening
tools for avihepadnaviruses in parrots. |
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