Temporal analysis of bovine pestivirus diversity in Brazil

Mósena, Ana Cristina Sbaraini; Wolf, Jonas Michel; Paim, William Pinto; Baumbach, Leticia Ferreira; Silva, Mariana Soares da; Silveira, Simone; Olegário, Juliana do Canto; Budaszewski, Renata da Fontoura; Weber, Matheus Nunes; Canal, Cláudio Wageck

doi:10.1007/s42770-022-00735-z

Cited by 4 publications

(6 citation statements)

References 39 publications

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“…The origin and dispersion of HoBiPeV remain unclear, yet it probably emerged in Asia and subsequently spread to other regions around the world [ 27 , 63 , 64 ]. Previous studies with Bayesian analysis suggest a relatively recent origin for HoBiPeV [ 65 , 66 ]. The subgenotype “a” emerged more than a century after the initial putative Asian origin of the virus.…”

Section: Discussionmentioning

confidence: 99%

HoBi-like Pestivirus Is Highly Prevalent in Cattle Herds in the Amazon Region (Northern Brazil)

Baumbach

Mósena

Alves

et al. 2023

Viruses

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Pestiviruses are globally distributed and cause substantial economic losses to the cattle industry. In Brazil, the country with the world’s largest cattle population, pestivirus infections are well described in some regions, such as in the south, where a high frequency of BVDV-2 is described and contrasts with the high prevalence of HoBi-like pestivirus (HoBiPeV) in the northeast. However, there is a lack of information about pestiviruses in the Amazon Region, in northern Brazil, with a cattle population estimated at 55.7 million head, which has a significant impact on the international livestock market. Therefore, this study investigated the seroprevalence and genetic variability of ruminant pestiviruses in 944 bovine serum samples from four states in northern Brazil: Pará (PA), Amapá (AP), Roraima (RR), and Amazonas (AM). Our results showed that 45.4% of the samples were seropositive (19.8% for BVDV-1, 14.1% for BVDV-2, and 20.9% for HoBiPeV). All samples were tested by RT–qPCR, and three were positive and classified as HoBiPeV in a phylogenetic analysis. These serological and molecular results contrast with those from other regions of the world, suggesting that the northern Brazilian states have a high prevalence of all bovine pestiviruses including HoBiPeV.

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Section: Discussionmentioning

confidence: 99%

HoBi-like Pestivirus Is Highly Prevalent in Cattle Herds in the Amazon Region (Northern Brazil)

Baumbach

Mósena

Alves

et al. 2023

Viruses

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“…The raising of pure European breeds, such as Simmental, is facilitated in southern Brazil by favorable climatic conditions, which have allowed the successful importation of cattle from the Northern Hemisphere, and which may have enabled the localized introduction of this subgenotype into Brazil. 10 Strains UDESC:01:1e (fetus 1), UDESC:02:1e (fetus 2), and UDESC:05:1e Brazil (fetus 5) were 96.9-97.4% similar in BLAST analysis. Fetuses 1 and 2 were from the same region of the state.…”

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confidence: 92%

“…22 In Brazil, this subgenotype is sporadic, and all reports of BVDV-1e have occurred only in Santa Catarina state, with 2 strains identified in 2012 and 2018. 10 It is unclear why Santa Catarina state is one of the few places besides Europe in which subgenotype 1e is present. All of our BVDV-1e strains had high similarity with European strains, especially from Switzerland (97.1-99.6%; Table 1).…”

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confidence: 99%

“…6,13 There is no description of abortions caused by BVDV in cattle in Santa Catarina, even though there is evidence of virus circulation following the first detection in the 1990s. 10 We characterized the anatomopathologic aspects of BVDV detected in 5 aborted bovine fetuses in the state of Santa Catarina, and determined the involved subgenotypes.…”

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confidence: 99%

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confidence: 99%

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Uncommon bovine viral diarrhea virus subtype 1e associated with abortions in cattle in southern Brazil

Marian,

Withoeft,

Esser

et al. 2023

J VET Diagn Invest

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We characterized bovine viral diarrhea virus (BVDV)-related abortions in cattle and identified the species and subgenotypes in the state of Santa Catarina, southern Brazil. Our RT-PCR assay was positive for BVDV in 5 fetuses from different farms; however, 3 of the 5 fetuses were also PCR-positive for Neospora caninum. In the 5 BVDV-positive fetuses, gross lesions included fetal mummification (1), hepatomegaly (1), subcutaneous edema (1), and perirenal edema (1). Predominant histologic lesions included epicarditis and mild-to-moderate lymphoplasmacytic myocarditis (5), mild multifocal lymphoplasmacytic interlobular pneumonia (4), nephrosis associated with moderate multifocal interstitial nephritis (1), moderate multifocal lymphoplasmacytic necrotic hepatitis (1), and mild multifocal lymphoplasmacytic meningitis (1). The amplification products from the Pestivirus 5′UTR region of 4 of the 5 fetuses had 96.3–100% similarity between fetal strains and reference strains. The samples were distributed into 2 branches of the phylogenetic tree; strains UDESC:01, UDESC:02, and UDESC:05 clustered in the BVDV-1e branch, uncommon in the Americas, and strain UDESC:04 clustered in the BVDV-2b branch. The three 1e strains had 96.9–97.4% similarity.

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Genomic evolution of bovine viral diarrhea virus based on complete genome and individual gene analyses

et al. 2023

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Temporal analysis of bovine pestivirus diversity in Brazil

Cited by 4 publications

References 39 publications

HoBi-like Pestivirus Is Highly Prevalent in Cattle Herds in the Amazon Region (Northern Brazil)

HoBi-like Pestivirus Is Highly Prevalent in Cattle Herds in the Amazon Region (Northern Brazil)

Uncommon bovine viral diarrhea virus subtype 1e associated with abortions in cattle in southern Brazil

Genomic evolution of bovine viral diarrhea virus based on complete genome and individual gene analyses

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