Characterization of a novel polyomavirus isolated from a fibroma on the trunk of an African elephant (Loxodonta Africana)

Hans Stevens, Mads Frost Bertelsen, Steven Sijmons, Marc Van Rast, Piet Maes

    18 Citationer (Scopus)

    Abstract

    Viruses of the family Polyomaviridae infect a wide variety of avian and mammalian hosts with a broad spectrum of outcomes including asymptomatic infection, acute systemic disease, and tumor induction. In this study a novel polyomavirus, the African elephant polyomavirus 1 (AelPyV-1) found in a protruding hyperplastic fibrous lesion on the trunk of an African elephant (Loxodonta africana) was characterized. The AelPyV-1 genome is 5722 bp in size and is one of the largest polyomaviruses characterized to date. Analysis of the AelPyV-1 genome reveals five putative open-reading frames coding for the classic small and large T antigens in the early region, and the VP1, VP2 and VP3 capsid proteins in the late region. In the area preceding the VP2 start codon three putative open-reading frames, possibly coding for an agnoprotein, could be localized. A regulatory, non-coding region separates the 2 coding regions. Unique for polyomaviruses is the presence of a second 854 bp long non-coding region between the end of the early region and the end of the late region. Based on maximum likelihood phylogenetic analyses of the large T antigen of the AelPyV-1 and 61 other polyomavirus sequences, AelPyV-1 clusters within a heterogeneous group of polyomaviruses that have been isolated from bats, new world primates and rodents.

    OriginalsprogEngelsk
    Artikelnummere77884
    TidsskriftP L o S One
    Vol/bind8
    Udgave nummer10
    Antal sider9
    ISSN1932-6203
    DOI
    StatusUdgivet - 18 okt. 2013

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