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Identification of a novel enterovirus E isolates HY12 from cattle with severe respiratory and enteric diseases.

ABSTRACT: In this study, a virus strain designated as HY12 was isolated from cattle with a disease of high morbidity and mortality in Jilin province. Biological and physiochemical properties showed that HY12 isolates is cytopathic with an extremely high infectivity. HY12 is resistant to treatment of organic solvent and acid, and unstable at 60°C for 1 h. Electron microscopy observation revealed the virus is an approximately 22-28 nm in diameter. The complete genome sequence of HY12 consists of 7416 nucleotides, with a typical picornavirus genome organization including a 5'-untranslated region (UTR), a large single ORF encoding a polyprotein of 2176 amino acids, and a 3'-UTR. Phylogenetic analysis clustered HY12 isolates to a new serotype/genotype within the clade of enterovirus E (formerly BEV-A). Alignment analysis revealed a unique insertion of 2 amino acid residues (NF) at the C-terminal of VP1 protein between aa 825 and 826, and several rare mutations in VP1 and VP4 of HY12 isolates in relation to known bovine enterovirus (BEV) strains. This is the first report of an enterovirus E in China, which is potentially associated with an outbreak in cattle with severe respiratory and enteric diseases.

SUBMITTER: Zhu L

PROVIDER: S-EPMC4022658 | biostudies-literature | 2014

REPOSITORIES: biostudies-literature

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Identification of a novel enterovirus E isolates HY12 from cattle with severe respiratory and enteric diseases.

Zhu Lisai L Xing Zeli Z Gai Xiaochun X Li Sujing S San Zhihao Z Wang Xinping X

PloS one 20140515 5

In this study, a virus strain designated as HY12 was isolated from cattle with a disease of high morbidity and mortality in Jilin province. Biological and physiochemical properties showed that HY12 isolates is cytopathic with an extremely high infectivity. HY12 is resistant to treatment of organic solvent and acid, and unstable at 60°C for 1 h. Electron microscopy observation revealed the virus is an approximately 22-28 nm in diameter. The complete genome sequence of HY12 consists of 7416 nucleo ...[more]

PMID: 24830424

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Project description:BackgroundsThe Enterovirus genus of the family of Picornaviridae consists of 9 species of Enteroviruses and 3 species of Rhinoviruses based on the latest virus taxonomy. Those viruses contribute significantly to respiratory and digestive disorders in human and animals. Out of 9 Enterovirus species, Enterovirus E-G are closely related to diseases affecting on livestock industry. While enterovirus infection has been increasingly reported in cattle and swine, the enterovirus infections in small ruminants remain largely unknown.MethodsVirology, molecular and bioinformatics methods were employed to characterize a novel enterovirus CEV-JL14 from goats manifesting severe diarrhea with morbidity and mortality respectively up to 84% and 54% in China.ResultsCEV-JL14 was defined and proposed as a new Enterovirus species L within the genus of Enterovirus of the family Picornaviridae. CEV-JL14 had a complete genome sequence of 7461 nucleotides with an ORF encoding 2172 amino acids, and shared 77.1% of genomic sequence identity with TB4-OEV, an ovine enterovirus. Comparison of 5'-UTR and structural genes of CEV-JL14 with known Enterovirus species revealed highly genetic variations among CEV-JL14 with known Enterovirus species. VP1 nucleotide sequence identities of CEV-14 were 51.8%-53.5% with those of Enterovirus E and F, 30.9%-65.3% with Enterovirus G, and 43.8-51. 5% with Enterovirus A-D, respectively. CEV-JL14 was proposed as a novel species within the genus of Enterovirus according to the current ICTV demarcation criteria of enteroviruses.ConclusionsCEV-JL14 clustered phylogenetically to neither Enterovirus E and F, nor to Enterovirus G. It was defined and proposed as novel species L within the genus of Enterovirus. This is the first report of caprine enterovirus in China, the first complete genomic sequence of a caprine enterovirus revealed, and the unveiling of significant genetic variations between ovine enterovirus and caprine enterovirus, thus broadening the current understanding of enteroviruses.

Dataset Information

Identification of a novel enterovirus E isolates HY12 from cattle with severe respiratory and enteric diseases.

Publications

Identification of a novel enterovirus E isolates HY12 from cattle with severe respiratory and enteric diseases.

Similar Datasets

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