Retrospective Detection and Genetic Characterization of Porcine circovirus 3 (PCV3) Strains Identified between 2006 and 2007 in Brazil

Viruses
Giuliana Loreto SaraivaAbelardo Silva-Júnior

Abstract

Porcine circovirus 3 (PCV3) is an emerging virus that was first identified in the United States in 2016. Since its first detection, PCV3 has already been found in America, Asia, and Europe. Although PCV3 has already been described in Brazil, knowledge of its detection and sequence variation before 2016 is limited, as well as its distribution in the main swine producing regions of Brazil. In this study, 67 porcine clinical samples collected from nine states in Brazil between 2006 and 2007 were analyzed for PCV3 infection by PCR. Results showed that 47.8% of the samples were PCV3 positive, across all nine states. Of the PCV3-positive samples, 37.5% were also positive for PCV2. Interestingly, no clinical signs were associated with samples that were detected singularly with PCV3 infection. Moreover, the positive PCV3 rate in healthy pigs was higher (29.8%) than that found in unhealthy pigs (17.9%), suggesting that most pigs could live with PCV3 infection without any clinical sign in the analyzed samples. Nucleotide sequence analysis showed that PCV3 strains obtained in this study shared 94.44% to 99.83% sequence identity at the open reading frame 2 (ORF2) gene level with available strains from different countries. PCV3 Brazilian se...Continue Reading

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Citations

Apr 30, 2020·Brazilian Journal of Microbiology : [publication of the Brazilian Society for Microbiology]·I L F RodriguesT X Castro
May 18, 2019·The Veterinary Record·Shao-Lun Zhai, Yun Xi
Jun 13, 2020·Transboundary and Emerging Diseases·Ana Paula Muterle VarelaFabiana Quoos Mayer
Oct 28, 2020·Transboundary and Emerging Diseases·Maria Soledad SerenaMaria Gabriela Echeverría
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Jun 3, 2021·Animals : an Open Access Journal From MDPI·Tatiana Carolina Gomes Dutra de SouzaAmauri Alcindo Alfieri
Jul 27, 2021·Transboundary and Emerging Diseases·Viviane Sisdelli AssaoAbelardo Silva-Júnior
Aug 19, 2021·Transboundary and Emerging Diseases·Wansika VisuthsakManakorn Sukmak

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Datasets Mentioned

BETA
MF079254
MG079254

Methods Mentioned

BETA
PCR
electrophoresis
genotyping

Software Mentioned

MEGA7
MrBayes
MUSCLE
DnaSP
CLC Genomics Workbench
Assemble Sequences
jModelTest2
Tracer

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