Evidence of natural transmission of group A rotavirus between domestic pigs and wild boars (Sus scrofa) in Japan

Okadera, Kota; Abe, Masako; Ito, Naoto; Morikawa, Shigeki; Yamasaki, Ari; Masatani, Tatsunori; Nakagawa, Keisuke; Yamaoka, Satoko; Sugiyama, Makoto

doi:10.1016/j.meegid.2013.07.029

Cited by 20 publications

(15 citation statements)

References 39 publications

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“…However, zoonotic potential of RVA strains has been proven repeatedly (Zeller et al, 2012;Papp et al, 2013). So far, there is no available information concerning RVC prevalence in wild boars and only very limited knowledge about RVA detected in wild boars in Japan (Okadera et al, 2013). The detected RVC prevalence in our study was 12.8% (26/203) including coinfections with other enteral viruses.…”

Section: Discussionmentioning

confidence: 51%

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Epidemiological survey of enteric viruses in wild boars in the Czech Republic: First evidence of close relationship between wild boar and human rotavirus A strains

Moutelíková

Dufková

Kamler

et al. 2016

Veterinary Microbiology

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Population of wild boar is increasing in the whole Europe, the animals migrate close to human habitats which greatly increases the possibility of natural transmission between domestic animals or humans and wild boars. The aim of the study was to estimate in population of free-living wild boar in the Czech Republic the prevalence of enteric viral pathogens, namely rotavirus groups A and C (RVA and RVC), porcine reproductive and respiratory syndrome virus (PRRSV), and members of family Coronaviridae (transmissible gastroenteritis virus - TGEV, porcine epidemic diarrhea virus - PEDV, porcine respiratory coronavirus - PRCV, and porcine hemagglutination encephalomyelitis virus - PHEV) and Picornaviridae,(teschovirus A - PTV, sapelovirus A - PSV, and enterovirus G - EV-G). In our study, stool samples from 203 wild boars culled during hunting season 2014-2015 (from October to January) were examined by RT-PCR. RVA was detected in 2.5% of tested samples. Nucleotide analysis of VP7, VP4, and VP6 genes revealed that four RVA strains belong to G4P[25]I1, G4P[6]I5, G11P[13]I5, and G5P[13]I5 genotypes and phylogenetic analysis suggested close relation to porcine and human RVAs. The prevalence of RVC in wild boar population reached 12.8%, PTV was detected in 20.2%, PSV in 8.9%, and EV-G in 2.5% of samples. During our study no PRRSV or coronaviruses were detected. Our study provides the first evidence of RVC prevalence in wild boars and indicates that wild boars might contribute to the genetic variability of RVA and also serve as an important reservoir of other enteric viruses.

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Section: Discussionmentioning

confidence: 51%

“…The only study which detected rotavirus A (RVA) in wild boars was carried out in Japan. Okadera et al (2013) detected RVA in four animals from 90 tested faecal samples.…”

Section: Introductionmentioning

confidence: 98%

Epidemiological survey of enteric viruses in wild boars in the Czech Republic: First evidence of close relationship between wild boar and human rotavirus A strains

Moutelíková

Dufková

Kamler

et al. 2016

Veterinary Microbiology

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“…Many of the reported wild boar virus infections, such as HEV, PoR-VA, and porcine influenza A virus are known to infect other animal species and are considered important zoonotic diseases (Ruiz-Fons et al 2008, Meng et al 2009, Okadera et al 2013, Biondo et al 2014. Therefore, the potential risks of disease transmission among wild animals and livestock and/or the human population cannot be ignored.…”

Section: Discussionmentioning

confidence: 99%

“…Wild boars are susceptible to infections by viruses that also affect domestic pigs (Sus scrofa domesticus), such as porcine group A rotavirus (PoRVA), porcine circovirus type 2 (PCV2), hepatitis E virus (HEV), Aujeszky disease virus (ADV), porcine parvovirus (PPV), porcine reproductive and respiratory syndrome virus (PRRSV), classical swine fever virus (CSF), torque teno sus virus (TTSuV), influenza A virus, and others (Ruiz-Fons et al 2008, Meng et al 2009, Okadera et al 2013, Biondo et al 2014. These animals are also susceptible to infections by PTV, PSV, and EV-G, which were described in asymptomatic wild boars in Hungary (Boros et al 2012a, Boros et al 2012b, Spain (Cano--Gómez et al 2013), and the Czech Republic (Prodělalová 2012).…”

Section: Introductionmentioning

confidence: 99%

Molecular survey of porcine teschovirus, porcine sapelovirus, and enterovirus G in captive wild boars (Sus scrofa scrofa) of Paraná state, Brazil

et al. 2015

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RESUMO.-[Estudo molecular de teschovírus suíno, sapelovírus suíno e enterovírus G em javalis (Sus scrofa scrofa) de cativeiro no Paraná.] Teschovírus suíno (PTV), sapelovírus suíno (PSV) e enterovírus G (EV-G) são agentes infecciosos específicos da espécie suína que estão endemicamente disseminados em todo o mundo. O objetivo deste estudo foi investigar a infecção natural por estes picornavírus entéricos suínos em javalis (Sus scrofa scrofa) do estado do Paraná, Brasil e avaliar pecaris (Pecari tajacu e Tayassu pecari) como hospedeiros alternativos para estes vírus. Amostras fecais (n=36) de javalis assintomáticos (n=22) com idades de 2 a 7 meses (jovens, n=14) e 2 a 4 anos (adultos, n=8) e de pecaris (6 a 8 meses de idade, n=14) foram coletadas em um cativeiro e zoológico, res- Porcine teschovirus (PTV), porcine sapelovirus (PSV), and enterovirus G (EV-G) are infectious agents specific to pig host species that are endemically spread worldwide. This study aimed to investigate the natural infection by these porcine enteric picornaviruses in wild boars (Sus scrofa scrofa) of Paraná state, Brazil, and to evaluate peccaries (Pecari tajacu and Tayassu pecari) as alternative host species for these viruses. Fecal samples (n=36) from asymptomatic wild boars (n=22) with ages ranging from 2 to 7 months old (young, n=14) and 2 to 4 years old (adult, n=8) and from peccaries (6 to 8 months old, n=14) were collected from a farm and a zoo, respectively, both located in Paraná state. Reverse transcription-polymerase chain reaction (RT-PCR) and nested-PCR (n-PCR) assays targeting the 5'non-translated region of the virus genome were used for screening the viruses. Porcine enteric picornaviruses were detected in 12 out of the 22 wild boar fecal samples. According to each of the viruses, EV-G was most frequently (11/22, 50%) detected, followed by PTV (10/22, 45.5%) and PSV (4/22, 18.2%). Regarding the age groups, young wild boars were more frequently (9/14, 64.3%) infected with PTV, PSV, and EV-G than adult animals (3/8, 37.4%). One n-PCR amplified product for each of the viruses was submitted to sequencing analysis and the nucleotide sequences were compared with the related viruses, which showed similarities varying from 97.7% to 100% for PTV, 92.4% to 96.2% for PSV, and 87

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“…RVA has also been detected in several wild and zoo animals (Baumeister et al, 1983;Coria-Galindo et al, 2009;Eugster et al, 1978;Evans, 1984;Everest et al, 2009Everest et al, , 2010Everest et al, , 2011Hamir et al, 1990;He et al, 2013;Kim et al, 2014;Linhares et al, 1986;Marcoppido et al, 2011;Tzipori et al, 1976), and it has been indicated that wild animals may be involved in the natural infection cycle of RVA and also represent a potential zoonotic risk (Abe et al, 2010;Esona et al, 2010;Okadera et al, 2013). Pets are considered to represent a higher potential zoonotic risk than wild animals since they share habitats with humans, thus providing a rationale to investigate the prevalence of RVA in pets to evaluate the risk of transmission of RVA from pets to humans.…”

Section: Introductionmentioning

confidence: 99%

Isolation and characterization of a novel type of rotavirus species A in sugar gliders (Petaurus breviceps)

Okadera

Abe

Ito

et al. 2016

Journal of General Virology

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To estimate the risk of interspecies transmission of rotavirus species A (RVA) from exotic pets to other mammalian species, the prevalence of RVA in sugar gliders (Petaurus breviceps) was investigated. RVAs were detected in 10 of 44 sugar gliders by reverse transcription (RT)-seminested PCR. These viruses were classified as G27P [3] and G27P[36] genotypes, with G27 and P[36] being new genotypes as assigned by the Rotavirus Classification Working Group. To characterize sugar glider RVA in detail, one strain, RVA/SugarGlider-tc/JPN/SG385/2012/ G27P[36] (SG385-tc), was isolated. All of the genes of the strain were classified as new genotypes (G27-P[36]-I19-R10-C10-M9-A20-N11-T13-E17-H12). The enterotoxin domain in NSP4, which is important for the induction of diarrhoea, was conserved between SG385-tc and previously reported mammalian strains, suggesting the potential of sugar glider RVA to cause diarrhoea in mammalian species. In fact, seven out of nine suckling mice inoculated orally with 3.9610 4 f.f.u. of strain SG385-tc had diarrhoea and the 50 % diarrhoea-inducing dose (DD 50 )of strain SG385-tc in suckling mice was 1.2610 4 f.f.u. Our findings suggest that sugar glider RVA is infective to and possibly pathogenic in other mammalian species.

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Evidence of natural transmission of group A rotavirus between domestic pigs and wild boars (Sus scrofa) in Japan

Cited by 20 publications

References 39 publications

Epidemiological survey of enteric viruses in wild boars in the Czech Republic: First evidence of close relationship between wild boar and human rotavirus A strains

Epidemiological survey of enteric viruses in wild boars in the Czech Republic: First evidence of close relationship between wild boar and human rotavirus A strains

Molecular survey of porcine teschovirus, porcine sapelovirus, and enterovirus G in captive wild boars (Sus scrofa scrofa) of Paraná state, Brazil

Isolation and characterization of a novel type of rotavirus species A in sugar gliders (Petaurus breviceps)

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