Author: de Sales Lima, Francisco Esmaile; Cibulski, Samuel Paulo; Witt, André Alberto; Franco, Ana Cláudia; Roehe, Paulo Michel
Title: Genomic characterization of two novel polyomaviruses in Brazilian insectivorous bats Cord-id: xkf9mptk Document date: 2015_5_12
ID: xkf9mptk
Snippet: Two novel genomes comprising ≈4.9 kb were identified by next-generation sequencing from pooled organs of Tadarida brasiliensis bats. The overall nucleotide sequence identities between the viral genomes characterized here were less than 80 % in comparison to other polyomaviruses (PyVs), members of the family Polyomaviridae. The new genomes display the archetypal organization of PyVs, which includes open reading frames for the regulatory proteins small T antigen (STAg) and large T antigen (LTAg)
Document: Two novel genomes comprising ≈4.9 kb were identified by next-generation sequencing from pooled organs of Tadarida brasiliensis bats. The overall nucleotide sequence identities between the viral genomes characterized here were less than 80 % in comparison to other polyomaviruses (PyVs), members of the family Polyomaviridae. The new genomes display the archetypal organization of PyVs, which includes open reading frames for the regulatory proteins small T antigen (STAg) and large T antigen (LTAg), as well as capsid proteins VP1, VP2 and VP3. In addition, an alternate ORF was identified in the early genome region that is conserved in a large monophyletic group of polyomaviruses. Phylogenetic analysis showed similar clustering with group of PyVs detected in Otomops and Chaerephon bats and some species of monkeys. In this study, the genomes of two novel PyVs were detected in bats of a single species, demonstrating that these mammals can harbor genetically diverse polyomaviruses.
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