ArticleVeterinary medicine and science2021
Torque teno virus from Korean domestic swine farms, 2017-2018.
Article in Veterinary medicine and science, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed, 2 citations in OpenAlex.
- Polymerase chain reaction-based detection of coinfecting DNA viruses in Vietnamese pigs in 2017 and 2021.Veterinary world · 2022Article
- Torque teno virus from Korean domestic swine farms, 2017-2018.Veterinary medicine and science · 2021Article
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Authors and funding
6 authors at 2 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundTorque teno viruses (TTVs) have been detected worldwide, from a wide range of animals. Up to date, few studies focused on the prevalence of TTVs in general and swine torque teno viruses (TTSuVs) in particular in Korean swine farms.
objectiveThis study aimed to investigate the appearance of TTSuVs and TTVs in sick pigs during the 2017-2018 period. MATERIALS AND
methodsMolecular-based method using TTSuV1-, TTSuV2- and TTV3-specific primers was used to screen for the viruses from either sera or pooled internal organs of sick pigs. For genetic characterization, genomic sequences of TTVs were sequenced by a primer walking method. Several bioinformatic tools have been utilized to investigate the genomic organization and genetic relationship of TTVs.
resultsTwo years of prevalence survey reveal that the prevalence of TTSuV2 is about twice that of TTSuV1. Furthermore, we identified TTV of genogroup 3 in swine pooled organ samples. The genome of two strains, M265_Korea_2017 and N119_Korea_2018, are 3,817 bp in size; M265_2017 has three open reading frames (ORFs); and N119_2018 strain has four ORFs. The complete genome nucleotide sequencing of the two strains shows 98.4% homology, and the phylogenetic analysis of Open reading frame (ORF)1 indicates that the strains are located close to TUPB strain subgroup C of genogroup 3.
conclusionOur study provided the information of TTSuVs prevalence in swine farms in Korea and highlighted the presence of TTV genogroup 3 strains in pigs.
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