ArticleVeterinary research forum : an international quarterly journal2021
Molecular epidemiology and phylogenetic analysis of bovine picobirnaviruses causing calf diarrhea, in Iran.
Article in Veterinary research forum : an international quarterly journal, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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3 citing papers in PubMed, 1 citations in OpenAlex.
- High prevalence of picobirnavirus genogroup I in calves without association with diarrhea in a dairy cattle herd, southeast Brazil.Veterinary research communications · 2026Article
- First detection and characterization of Bovine parvovirus 2 and Bopivirus A in a neonatal calf with diarrhea in Iran through metagenomic RNA-seq.Virus genes · 2026Article
- Circulation of picobirnavirus in Neotropical free-ranging mammals.Veterinary research communications · 2024Article
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1 author at 1 institution in 1 country.
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Abstract
Picobirnavirus (PBV) is an enteropathogen virus causing diarrhea as an opportunistic virus in its vertebrate host. There is no information about human or animal PBVs in Iran. The aim of the present study was the investigation of the epidemiology of bovine PBV in the broad geographical area of Iran. Four hundred and eighty-five stool samples of up to 1 month old diarrheic calves were collected from 14 provinces and were tested with polyacrylamide gel electrophoresis (PAGE), and reverse transcription polymerase chain reaction (RT-PCR). Five samples were positive in PAGE assay (1.00%) and all of them were amplified using GI specific primers in RT-PCR. Phylogenetic analysis of one of the amplicons (strain Nazaktabar-14) revealed a low relationship to bovine PBV sequences and more identity to PBV isolates from other hosts. The structural alignment of the deduced amino acids of the partially sequenced RdRp gene of the Nazaktabar-14 strain showed high conservation. Sequences obtained from other amplicons showed a high mutation rate and further analysis of one of them showed that, despite the potential of forming deleterious mutations, most of the point mutations occurred in the RdRp gene of PBVs may be a silent mutation. There is little information about the molecular epidemiology of bovine PBVs. This study was the first report on the occurrence of PBVs in Iran and the first study on the molecular epidemiology of bovine PBV in the Middle East, revealing its low frequency as a diarrhea causative agent.
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