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Title: Full genotype characterization of Brazilian canine G3P[3] strains during a 10-year survey (2012-2021) of rotavirus infection in domestic dogs and cats
Authors: AZEVEDO, Lais SampaioCOSTA, Fernanda FariaGHANI, Monique Beerens AbdulVIANA, EllenFRANCA, YasminMEDEIROS, Roberta SalzoneGUIDUCCI, RaquelMORILLO, Simone GuadagnucciPRIMO, DieliLOPES, Ricardo DuarteGOMES-GOUVEA, Michele SoaresCOSTA, Antonio Charlys daLUCHS, Adriana
Citation: ARCHIVES OF VIROLOGY, v.168, n.7, article ID 176, 15p, 2023
Abstract: There is a dearth of information on the molecular epidemiology of rotaviruses in pets in Brazil. The aim of this study was to monitor rotavirus infections in household dogs and cats, determine full-genotype constellations, and obtain data on evolutionary relationships. Between 2012 and 2021, 600 fecal samples from dogs and cats (516 and 84, respectively) were collected at small animal clinics in Sao Paulo state, Brazil. Rotavirus screening was conducted using ELISA, PAGE, RT-PCR, sequencing, and phylogenetic analysis. Rotavirus type A (RVA) was detected in 0.5% (3/600) of the animals. No non-RVA types were detected. The three canine RVA strains were found to have a novel genetic constellation, G3-P[3] -I2-R3-C2-M3-A9-N2-T3-E3-H6, which has never been reported in dogs. As expected, all of the viral genes, except those encoding NSP2 and VP7, were closely related to the corresponding genes from canine, feline, and canine-like-human RVA strains. A novel N2 (NSP2) lineage was identified, grouping together Brazilian canine, human, rat and bovine strains, suggesting that genetic reassortment had occurred. Uruguayan G3 strains obtained from sewage contained VP7 genes that were phylogenetically close to those of the Brazilian canine strains, which suggests that these strains are widely distributed in pet populations in South American countries. For the NSP2 (I2), NSP3 (T3), NSP4 (E3), NSP5 (H6), VP1 (R3), VP3 (M3), and VP6 (I2) segments, phylogenetic analysis revealed possibly new lineages. The epidemiological and genetic data presented here point out the necessity for collaborative efforts to implement the One Health strategy in the field of RVA research and to provide an updated understanding of RVA strains circulating canines in Brazil.
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Artigos e Materiais de Revistas Científicas - HC/ICHC
Instituto Central - HC/ICHC

Artigos e Materiais de Revistas Científicas - LIM/07
LIM/07 - Laboratório de Gastroenterologia Clínica e Experimental

Artigos e Materiais de Revistas Científicas - LIM/46
LIM/46 - Laboratório de Parasitologia Médica

Artigos e Materiais de Revistas Científicas - LIM/52
LIM/52 - Laboratório de Virologia

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