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J Gen Virol. 2011 Jul;92(Pt 7):1585-94. doi: 10.1099/vir.0.030593-0. Epub 2011 Apr 6.

Genomic characterization of ten novel cutaneous human papillomaviruses from keratotic lesions of immunosuppressed patients.

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Charité, Department of Dermatology, Venereology and Allergy, Skin Cancer Center Charité, University Hospital of Berlin, Berlin, Germany.


Viral warts from immunosuppressed organ transplant recipients (OTR) persist over years and may progress into non-melanoma skin cancer. The types of human papillomaviruses (HPV) in such lesions are different from that seen in the general population. A subset of these lesions is not infected with the classical wart-associated HPV types. In order to gain a better understanding of the HPV types in those lesions, we isolated ten novel HPVs from persisting keratotic lesions of immunosuppressed OTRs by rolling circle amplification and subsequent long-template PCR. Additionally, we sequenced and characterized the whole genome of the ten novel HPV types. Phylogenetic analyses revealed that nine HPV types belonged to the genus Gammapapillomavirus (γ-PV) and one to the genus Betapapillomavirus. In a phylogenetic analysis using L1 fragments of human and non-human PV types, primate papillomaviruses and our novel HPV types nested within the genus γ-PV in a highly polyphyletic pattern. This study significantly broadens the knowledge concerning the diversity and evolution of the poorly known γ-PV types.

[Indexed for MEDLINE]

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