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Viana E, França Y, de Azevedo LS, Medeiros RS, Guiducci R, Guadagnucci S, Luchs A. Genotypic diversity and long-term impact of human bocavirus on diarrheal disease: Insights from historical fecal samples in Brazil. J Med Virol 2024; 96:e29429. [PMID: 38258346 DOI: 10.1002/jmv.29429] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Revised: 01/11/2024] [Accepted: 01/16/2024] [Indexed: 01/24/2024]
Abstract
This study aimed to investigate the frequency and genotypic diversity of human bocavirus (HBoV) in historical fecal samples collected before 2005 in Brazil and understand its natural history in patients with diarrhea. Between 1998 and 2005, 3347 samples were tested for HBoV by RT-PCR, with a detection rate of 5.8% (195/3347). Coinfection with norovirus (NoV) and human adenovirus (HAdV) was found in 34.9% (68/195), indicating HBoV's potential role as a causative agent of diarrheal disease. The detection rate varied over the years (p < 0.05), suggesting natural oscillatory fluctuations. HBoV was more prevalent in fall and winter, with higher positivity in children ≤5 years (p < 0.05), reinforcing that HBoV is an important pathogen in childhood diarrhea. Genotyping (32.8%; 64/195) revealed the circulation of HBoV-1 (79.7%, 51/64), HBoV-3 (12.5%, 8/64), HBoV-2 (6.2%, 4/64), and the rare HBoV-4 (1.6%, 1/64). Difference in HBoV-1 and HBoV-2/-3 mono-infections prevalence (p < 0.05), suggests a potential role of HBoV-1 in the pathogenicity of diarrheal disease. The study highlights HBoV's lasting impact on viral gastroenteritis in Brazil and emphasizes its genotypic diversity. Recommending screening for HBoV in public health laboratories is crucial for understanding its role in gastrointestinal diseases. The data also contribute to understanding the molecular characterization of enteric viruses in historical fecal samples.
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Affiliation(s)
- Ellen Viana
- Enteric Disease Laboratory, Virology Center, Adolfo Lutz Institute, Sao Paulo, Brazil
| | - Yasmin França
- Enteric Disease Laboratory, Virology Center, Adolfo Lutz Institute, Sao Paulo, Brazil
| | - Lais S de Azevedo
- Enteric Disease Laboratory, Virology Center, Adolfo Lutz Institute, Sao Paulo, Brazil
| | - Roberta S Medeiros
- Enteric Disease Laboratory, Virology Center, Adolfo Lutz Institute, Sao Paulo, Brazil
| | - Raquel Guiducci
- Enteric Disease Laboratory, Virology Center, Adolfo Lutz Institute, Sao Paulo, Brazil
| | - Simone Guadagnucci
- Enteric Disease Laboratory, Virology Center, Adolfo Lutz Institute, Sao Paulo, Brazil
| | - Adriana Luchs
- Enteric Disease Laboratory, Virology Center, Adolfo Lutz Institute, Sao Paulo, Brazil
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Azevedo LS, Costa FF, Ghani MBA, Viana E, França Y, Medeiros RS, Guiducci R, Morillo SG, Primo D, Lopes RD, Gomes-Gouvêa MS, da Costa AC, Luchs A. Full genotype characterization of Brazilian canine G3P[3] strains during a 10-year survey (2012-2021) of rotavirus infection in domestic dogs and cats. Arch Virol 2023; 168:176. [PMID: 37306860 DOI: 10.1007/s00705-023-05807-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2023] [Accepted: 04/25/2023] [Indexed: 06/13/2023]
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 São 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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Affiliation(s)
- Lais Sampaio Azevedo
- Enteric Diseases Laboratory, Virology Center, Adolfo Lutz Institute, São Paulo, Brazil
| | | | | | - Ellen Viana
- Enteric Diseases Laboratory, Virology Center, Adolfo Lutz Institute, São Paulo, Brazil
| | - Yasmin França
- Enteric Diseases Laboratory, Virology Center, Adolfo Lutz Institute, São Paulo, Brazil
| | | | - Raquel Guiducci
- Enteric Diseases Laboratory, Virology Center, Adolfo Lutz Institute, São Paulo, Brazil
| | | | - Dieli Primo
- Enteric Diseases Laboratory, Virology Center, Adolfo Lutz Institute, São Paulo, Brazil
| | | | - Michele Soares Gomes-Gouvêa
- Laboratorio de Gastroenterologia e Hepatologia Tropical-LIM07, Departamento de Gastroenterologia, Instituto de Medicina Tropical, Faculdade de Medicina da Universidade de São Paulo, São Paulo, Brazil
| | - Antonio Charlys da Costa
- Laboratorio de Parasitologia Médica-LIM46, Departamento de Doenças Infecciosas e Parasitárias, Instituto de Medicina Tropical, Faculdade de Medicina da Universidade de São Paulo, São Paulo, Brazil
| | - Adriana Luchs
- Enteric Diseases Laboratory, Virology Center, Adolfo Lutz Institute, São Paulo, Brazil.
- Instituto Adolfo Lutz, Centro de Virologia, Núcleo de Doenças Entéricas, Av. Dr Arnaldo, nº 355, São Paulo, SP, 01246-902, Brazil.
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Azevedo LSD, França Y, Viana E, Medeiros RS, Morillo SG, Guiducci R, Ribeiro CD, Vieira HR, Barrio-Nuevo KM, Cunha MS, Guerra JM, Silva DDMCE, Filho VBD, Araújo ELL, Ferreira SRS, Batista CF, Silva GCDD, Nogueira ML, Ahagon CM, Moreira RC, Cunha L, Morais VS, da Costa AC, Luchs A. Lack of molecular evidence of fecal-borne viruses in capybaras from São Paulo state, Brazil, 2018-2020: a minor public health issue. Braz J Microbiol 2023; 54:543-551. [PMID: 36342660 PMCID: PMC9640885 DOI: 10.1007/s42770-022-00859-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Accepted: 10/24/2022] [Indexed: 11/09/2022] Open
Abstract
Capybara (Hydrochoerus hydrochaeris) is the world's largest rodent species distributed throughout South America. These animals are incredibly tolerant to anthropogenic environments and are occupying large urban centers. Capybaras are known to carry potentially zoonotic agents, including R. rickettsia, Leishmania spp., Leptospira spp., Trypanosoma spp., Salmonella spp., Toxoplasma gondii, and rabies virus. Focusing on the importance of monitoring potential sources of emerging zoonotic viruses and new viral reservoirs, the aim of the present study was to assess the presence of fecal-borne viruses in the feces of capybaras living in urban parks in São Paulo state, Brazil. A total of 337 fecal samples were collected between 2018 and 2020 and screened for the following: (i) Rotavirus group A (RVA) by ELISA; (ii) non-RVA species and Picobirnavirus (PBV) using PAGE; (iii) Human Bocaparvovirus (HBoV), Bufavirus (BuV), Tusavirus (TuV), and Cutavirus (CuV) qPCR; (iv) Human Enterovirus (EV), Norovirus GII (NoV), and Hantavirus by in houses RT-qPCR; (v) SARS-CoV-2 via commercial RT-qPCR kit assay; and (vi) Astrovirus (AstV) and Adenovirus (AdV) using conventional nested (RT)-PCRs. All fecal samples tested were negative for fecal-borne viruses. This study adds further evidence that the fecal-borne viruses is a minor public health issue in Brazilian capybaras, at least during the surveillance period and surveyed areas. Continuous monitoring of sylvatic animals is essential to prevent and control the emergence or re-emergence of newly discovered virus as well as viruses with known zoonotic potential.
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Affiliation(s)
| | - Yasmin França
- Enteric Disease Laboratory, Virology Center, Adolfo Lutz Institute, Sao Paulo, Brazil
| | - Ellen Viana
- Enteric Disease Laboratory, Virology Center, Adolfo Lutz Institute, Sao Paulo, Brazil
| | | | | | - Raquel Guiducci
- Enteric Disease Laboratory, Virology Center, Adolfo Lutz Institute, Sao Paulo, Brazil
| | - Cibele Daniel Ribeiro
- Enteric Disease Laboratory, Virology Center, Adolfo Lutz Institute, Sao Paulo, Brazil
| | - Heloisa Rosa Vieira
- Enteric Disease Laboratory, Virology Center, Adolfo Lutz Institute, Sao Paulo, Brazil
| | | | - Mariana Sequetin Cunha
- Vector Borne Diseases Laboratory, Virology Center, Adolfo Lutz Institute, Sao Paulo, Brazil
| | - Juliana Mariotti Guerra
- Quantitative Pathology Laboratory, Pathology Center, Adolfo Lutz Institute, Sao Paulo, Brazil
| | | | | | - Emerson Luiz Lima Araújo
- General Coordination of Public Health, Laboratories of the Strategic Articulation, Department of the Health, Surveillance Secretariat, Ministry of Health (CGLAB/DAEVS/SVS-MS), Brasília, Brazil
| | | | | | | | | | - Cintia Mayumi Ahagon
- Blood and Sexual Diseases - Retrovirus Laboratory, Virology Center, Adolfo Lutz Institute, Sao Paulo, Brazil
| | | | - Lia Cunha
- Hepatitis Laboratory, Virology Center, Adolfo Lutz Institute, Sao Paulo, Brazil
| | - Vanessa Santos Morais
- Medical Parasitology Laboratory (LIM/46), Institute of Tropical Medicine, University of Sao Paulo, Sao Paulo, Brazil
| | - Antonio Charlys da Costa
- Medical Parasitology Laboratory (LIM/46), Institute of Tropical Medicine, University of Sao Paulo, Sao Paulo, Brazil
| | - Adriana Luchs
- Enteric Disease Laboratory, Virology Center, Adolfo Lutz Institute, Sao Paulo, Brazil.
- Centro de Virologia, Núcleo de Doenças Entéricas, Instituto Adolfo Lutz, Av. Dr Arnaldo, nº 355, São Paulo, SP, 01246-902, Brasil.
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Viana E, da Silva CH, Tabak M, Imasato H, Garratt R. A molecular model for the d chain of the giant haemoglobin from Lumbricus terrestris and its implications for subunit assembly. Biochim Biophys Acta 1998; 1383:130-42. [PMID: 9546054 DOI: 10.1016/s0167-4838(97)00194-5] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
A structural model for the monomeric d chain of the giant haemoglobin from Lumbricus terrestris is described. Based on the crystal structures of other globins, the model provides evidence for the existence of a novel tryptophan-haem interaction. The observation that all three tryptophans are buried within the hydrophobic core is consistent with fluorescence data on the isolated monomer and the intact molecule. The model has also been used to predict the probable arrangement of the abcd tetramer as being similar to that observed in the clam Hb II structure. Such predictions allow the identification of four residues of particular importance in stabilising one of the subunit-subunit interfaces: Arg48, Arg97, His89 and Gln93. The latter two may be of special importance in the mediation of cooperative effects within the tetramer and indeed the intact molecule.
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Affiliation(s)
- E Viana
- Instituto de Física de São Carlos, Universidade de São Paulo, Brazil
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Lopes-Cendes I, Teive HG, Calcagnotto ME, Da Costa JC, Cardoso F, Viana E, Maciel JA, Radvany J, Arruda WO, Trevisol-Bittencourt PC, Rosa Neto P, Silveira I, Steiner CE, Pinto Júnior W, Santos AS, Correa Neto Y, Werneck LC, Araújo AQ, Carakushansky G, Mello LR, Jardim LB, Rouleau GA. Frequency of the different mutations causing spinocerebellar ataxia (SCA1, SCA2, MJD/SCA3 and DRPLA) in a large group of Brazilian patients. Arq Neuropsiquiatr 1997; 55:519-29. [PMID: 9629399 DOI: 10.1590/s0004-282x1997000400001] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Spinocerebellar ataxia type 1 (SCA1), spinocerebellar ataxia type 2 (SCA2) and Machado-Joseph disease or spinocerebellar ataxia type 3 (MJD/SCA3) are three distinctive forms of autosomal dominant spinocerebellar ataxia (SCA) caused by expansions of an unstable CAG repeat localized in the coding region of the causative genes. Another related disease, dentatorubropallidoluysian atrophy (DRPLA) is also caused by an unstable triplet repeat and can present as SCA in late onset patients. We investigated the frequency of the SCA1, SCA2, MJD/SCA3 and DRPLA mutations in 328 Brazilian patients with SCA, belonging to 90 unrelated families with various patterns of inheritance and originating in different geographic regions of Brazil. We found mutations in 35 families (39%), 32 of them with a clear autosomal dominant inheritance. The frequency of the SCA1 mutation was 3% of all patients; and 6% in the dominantly inherited SCAs. We identified the SCA2 mutation in 6% of all families and in 9% of the families with autosomal dominant inheritance. The MJD/SCA3 mutation was detected in 30% of all patients; and in the 44% of the dominantly inherited cases. We found no DRPLA mutation. In addition, we observed variability in the frequency of the different mutations according to geographic origin of the patients, which is probably related to the distinct colonization of different parts of Brazil. These results suggest that SCA may be occasionally caused by the SCA1 and SCA2 mutations in the Brazilian population, and that the MJD/SCA3 mutation is the most common cause of dominantly inherited SCA in Brazil.
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Affiliation(s)
- I Lopes-Cendes
- Centre for Research in Neuroscience, McGill University, Montreal, QC, Canada.
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Abstract
A multiresidue method based on matrix solid-phase dispersion (MSPD) is studied to determine chlorfenvinfos, chlorpyrifos, fenarimol, iprodione, procimydone, propiconazole, tetradifon, triadimefon and vinclozolin in artichokes, green beans, lettuces and tomatoes. Alumina, silica and Florisil were assessed as extracting phases, and the extracts from Florisil were the cleanest. To facilitate manual extraction, sand was added to the sample together with the dispersing phase. Three eluting systems were then studied, and dichloromethane proved to be the best. Further purification can be performed using solid-phase cleanup after diluting extracts with aqueous solutions. Octyl- and octadecyl-silica, modifications of the aqueous diluted extracts and several eluting solvents were studied. Determination was done by capillary gas chromatography (GC) with electron-capture detection, and confirmed by GC-MS using the electron impact mode and the selected ion monitoring. The proposed MSPD method was used to analyze 48 samples taken in the course of a year. Procymidone, vinclozolin, chlorpyrifos and chlorfenvinfos were identified in 10 samples at levels below the maximum residue levels allowed by the Spanish Government.
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Affiliation(s)
- E Viana
- Laboratory of Food Chemistry and Toxicology, Faculty of Pharmacy, University of València, Spain
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Viana E, Moltó J, Mañes J, Font G. Clean-up and confirmatory procedures for gas chromatographic analysis of pesticide residues. Part II. J Chromatogr A 1994. [DOI: 10.1016/0021-9673(94)87080-2] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Picó Y, Moltó JC, Redondo MJ, Viana E, Mañes J, Font G. Monitoring of the pesticide levels in natural waters of the Valencia community (Spain). Bull Environ Contam Toxicol 1994; 53:230-237. [PMID: 8086705 DOI: 10.1007/bf00192038] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Affiliation(s)
- Y Picó
- Laboratori de Toxicologia, Facultat de Farmàcia, Universitat de València, Burjassot, Spain
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Viana E, Moltó J, Mañes J, Font G. Clean-up and confirmation procedures for gas chromatographic determination of pesticide residues in contaminated waters. Part I. J Chromatogr A 1993. [DOI: 10.1016/0021-9673(93)83234-j] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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