Taxonomical developments in the family Polyomaviridae
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The Polyomaviridae Study Group of the International Committee on Taxonomy of Viruses (ICTV) has recommended several taxonomical revisions, as follows: The family Polyomaviridae, which is currently constituted as a single genus (Polyomavirus), will be comprised of three genera: two containing mammalian viruses and one containing avian viruses. The two mammalian genera will be designated Orthopolyomavirus and Wukipolyomavirus, and the avian genus will be named Avipolyomavirus. These genera will be created by the redistribution of species from the current single genus (Polyomavirus) and by the inclusion of several new species. In addition, the names of several species will be changed to reflect current usage.
KeywordsProgressive Multifocal Leukoencephalopathy Merkel Cell Carcinoma Progressive Multifocal Leukoencephalopathy Human Polyomavirus JCPyV Infection
This updating of the Polyomaviridae taxonomy is the result of ongoing deliberations of the Polyomaviridae Study Group (chaired by L.C. Norkin), beginning in September 2007. Key contributors to this report included R. Johne who first suggested the creation of the genus Avipolyomavirus, and C. Buck who initially proposed creating separate mammalian virus genera. L.C. Norkin prepared this report, making extensive use of a formal proposal presented to the ICTV by R. Johne and H. Muller. We are grateful to A. Davison and A. King of the ICTV Executive Committee for advice and support during our efforts.
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