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    Avihepadnavirus diversity in parrots is comparable to that found amongst all other avian species

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    Piasecki_Avihepadnavirus-diversity_2013.pdf (1.478Mb)
    Date
    2013
    Author
    Piasecki, Tomasz
    Harkins, Gordon William
    Chrzastek, Klaudia
    Julian, Laurel
    Martin, Darren Patrick
    Varsani, Arvind
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    Abstract
    Avihepadna viruses have previously been isolated from various species of duck ,goose, stork, heron and crane. Recently the first parrot avihepadna virus was isolated from a Ring-necked Parakeet in Poland. In this study, 41 psittacineliver samples archived in Poland over the last nine years were tested for presence of Parrot hepatitis B virus(PHBV). We cloned and sequenced PHBVisolates from 18 birds including a Crimson Rosella, an African grey parrot and sixteen Ring-necked Parakeets. PHBVisolates display a degree of diversity (478% genome wide pair wise identity) that is comparable to that found amongst all other avihepadna viruses (479% genome wide pair wise identity). The PHBV viruses can be subdivided into seven genetically distinct groups (tentatively named A-G) of which the two isolated of PHBV-Gare the most divergent sharing 79% genome wide pair wise identity with all their PHBVs. All PHBV isolates display classical avihepadnavirus genome architecture.
    URI
    http://hdl.handle.net/10566/3065
    https://dx.doi.org/10.1016/j.virol.2013.01.009
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