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14 wrz 2021 · The Papillomaviridae family currently contains ~450 individual human papillomavirus (HPV) types (Papillomavirus Episteme), which are organized into five phylogenetic genera:...
Members of the Papillomaviridae primarily infect mucosal and keratinized epithelia, and have been isolated from fish, reptiles, birds and mammals. Despite a long co-evolutionary history with their hosts, some papillomaviruses are pathogens of their natural host species.
Papillomaviruses had originally been grouped together with polyomaviruses in one family, the Papovaviridae. This was based on similar, non-enveloped capsids and the common circular double-stranded DNA genomes.
15 paź 2019 · HPVs are members of the distinct virus family, the Papillomaviridae. The Papillomaviridae family is divided into 39 genera [ 5 , 6 ], based on L1 sequence identity of 60% or greater, with each genus designated by a letter of the Greek alphabet.
21 cze 2018 · The Papillomaviridae is a family of small, non-enveloped viruses with double-stranded DNA genomes of 5 748 to 8 607 bp. Their classification is based on pairwise nucleotide sequence identity across the L1 open reading frame. Members of the Papillomaviridae primarily infect mucosal and keratinised epithelia, and have been isolated from fish, ...
Virions are released by lysis of the virus-producing cells. The genomes of most members of the family Papillomaviridae that have been sequenced contain 9–10 ORFs, labelled E1–E8 and L1–L2 (Figure 3). Some members lack the E3 and E8 ORFs.
Phylogenetic tree of members of the genus Chipapillomavirus. The E1, E2, L2, and L1 nucleotide sequences of 343 papillomavirus isolates including representatives of all species and genera within the Papillomaviridae family were aligned as amino acid sequences using MUSCLE v7.221 .
