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Dias HG, Familiar-Macedo D, Garrido IO, Dos Santos FB, Pauvolid-Corrêa A. Exposure of domestic animals to Mayaro and Oropouche viruses in urban and peri-urban areas of West-Central Brazil. ONE HEALTH OUTLOOK 2024; 6:12. [PMID: 38946009 DOI: 10.1186/s42522-024-00104-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/19/2024] [Accepted: 05/23/2024] [Indexed: 07/02/2024]
Abstract
Oropouche and Mayaro viruses are enzootic arboviruses of public health concern throughout Latin America. Recent outbreaks of OROV in northern region and sporadic autochthonous cases in western region of Brazil, suggest a silent circulation of these neglected viruses. Aiming to investigate the exposure of different species of domestic animals to MAYV and OROV in urban and peri-urban areas of West-Central Brazil, we performed a cross-sectional serosurvey by plaque reduction neutralization test (PRNT). Our findings included neutralizing antibodies for both arboviruses in cattle, dogs and horses, suggesting eventual role of domestic animals in enzootic arbovirus surveillance in Brazil.
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Affiliation(s)
- Helver Gonçalves Dias
- Laboratório das Interações Vírus-Hospedeiros, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz (Fiocruz), Rio de Janeiro, RJ, 21040-900, Brazil
| | - Débora Familiar-Macedo
- Laboratório das Interações Vírus-Hospedeiros, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz (Fiocruz), Rio de Janeiro, RJ, 21040-900, Brazil
| | - Ingrid Oliveira Garrido
- Laboratório das Interações Vírus-Hospedeiros, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz (Fiocruz), Rio de Janeiro, RJ, 21040-900, Brazil
| | - Flávia Barreto Dos Santos
- Laboratório das Interações Vírus-Hospedeiros, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz (Fiocruz), Rio de Janeiro, RJ, 21040-900, Brazil.
| | - Alex Pauvolid-Corrêa
- Laboratório de Virologia Veterinária de Viçosa, Departamento de Veterinária, Universidade Federal de Viçosa, Viçosa, MG, 36570-900, Brazil.
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Gomes LF, Mundim JV, do Carmo Silva L, de Curcio JS, de Sousa ARV, Garcia-Zapata MT, Anunciação CE, do Carmo JR, de Paula Silveira-Lacerda E. Diagnostic performance of the bioline dengue duo rapid test on symptomatic patients assisted at Armed Forces Hospital (Hfa) in Brasília, Brazil. Braz J Microbiol 2024; 55:1801-1809. [PMID: 38709438 PMCID: PMC11153459 DOI: 10.1007/s42770-024-01351-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2024] [Accepted: 04/19/2024] [Indexed: 05/07/2024] Open
Abstract
Dengue necessitates accurate diagnosis. Rapid tests such as Bioline™ DENGUE DUO have gained traction, but validation in specific populations is essential. This study aimed to evaluate the performance of the Bioline™ test, alongside assessing the socio-epidemiological profile of symptomatic patients in a Brasília Military Hospital. The serum of 404 symptomatic patients was analyzed by the Bioline™ DENGUE DUO test, followed by Dengue virus detection and discrimination of the four serotypes by RT-qPCR. Accuracy was assessed using parameters including sensitivity (S), specificity (E), positive and negative predictive values (PPV and NPV), and positive (RV +) and negative (RV-) likelihood ratios. The NS1 component exhibited a sensitivity of 70.37%, a specificity of 97.30%, and an overall efficiency of 90.10% when compared to RT-qPCR as the gold standard. The IgM component demonstrated a sensitivity of 26.85%, a specificity of 89.53%, and an overall efficiency of 72.77% when compared to RT-qPCR as the gold standard. The IgG component demonstrated a sensitivity of 23.15%, a specificity of 68.92%, and an overall efficiency of 56.68% when compared to RT-qPCR as the gold standard. Several rapid tests are commercially available. However, considering variations across regions and demographic groups, it is important to question their accuracy in specific populations. Rapid tests are important screening tools, but they can have limitations for the certainty of diagnosis. Bioline™ DENGUE DUO displayed good specificity, but sensitivity was slightly below optimal levels. While helpful for confirming dengue, improvements are needed to effectively rule out the disease.
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Affiliation(s)
- Leani Falcão Gomes
- Department of Genetics, Federal University of Goias, Avenida Esperança, s/n, Câmpus Samambaia, Goiania, GO, 74.690-900, Brazil
- Research Division of Technical Teaching and Research Directorate, Armed Forces Hospital, Brasilia, DF, Brazil
| | - Júlia Viegas Mundim
- Research Division of Technical Teaching and Research Directorate, Armed Forces Hospital, Brasilia, DF, Brazil
| | - Lívia do Carmo Silva
- Department of Genetics, Federal University of Goias, Avenida Esperança, s/n, Câmpus Samambaia, Goiania, GO, 74.690-900, Brazil
| | - Juliana Santana de Curcio
- Department of Genetics, Federal University of Goias, Avenida Esperança, s/n, Câmpus Samambaia, Goiania, GO, 74.690-900, Brazil
| | - Adriano Roberto Vieira de Sousa
- Department of Genetics, Federal University of Goias, Avenida Esperança, s/n, Câmpus Samambaia, Goiania, GO, 74.690-900, Brazil
| | | | | | - Juliana Ramos do Carmo
- Department of Genetics, Federal University of Goias, Avenida Esperança, s/n, Câmpus Samambaia, Goiania, GO, 74.690-900, Brazil
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Silva DMFD, Curcio JSD, Silva LDC, Sousa FBD, Anunciação CE, Furlaneto SMSI, Silva VPSM, Garcia-Zapata MTA, Silveira-Lacerda EDP. Detection of arboviruses in Aedes aegypti through transovarian analysis: A study in Goiânia, Goiás. Rev Soc Bras Med Trop 2024; 57:e004002023. [PMID: 38422343 PMCID: PMC10890825 DOI: 10.1590/0037-8682-0280-2023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2023] [Accepted: 11/10/2023] [Indexed: 03/02/2024] Open
Abstract
BACKGROUND Arboviral diseases are a group of infectious diseases caused by viruses transmitted by arthropods, mainly mosquitoes. These diseases, such as those caused by the dengue (DENV), Zika (ZIKV), chikungunya (CHIKV), and yellow fever (YFV) viruses, have a significant impact worldwide. In this context, entomological surveillance plays a crucial role in the control and prevention of arboviruses by providing essential information on the presence, distribution, and activity of vector mosquitoes. Based on entomological surveillance, transovarian transmission provides information regarding the maintenance and dissemination of arboviruses. The objective of this study was to detect these arboviruses in Goiânia, Goiás, and analyze the occurrence of transovarian transmission. METHODS Aedes aegypti eggs were collected from different regions of Goiânia and cultivated under controlled laboratory conditions until the emergence of adult mosquitoes. Adult females were grouped into pools containing their heads and thoraxes. These pools were subsequently evaluated using reverse-transcription quantitative polymerase chain reaction (RT-qPCR) assay. RESULTS A total of 157 pools (N=1570) were analyzed, with two pools testing positive for CHIKV and one pool testing positive for ZIKV, indicating that the offspring resulting from transovarian transmission are potentially infectious. CONCLUSIONS In summary, the demonstration of the vertical transmission mechanisms of CHIKV and ZIKV in A. aegypti serves as an alert to health authorities, as these diseases are still underreported, and their primary urban vector has likely acquired this capacity, contributing to the dissemination of these infections.
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Nunes DADF, Lopes GFM, Nizer WSDC, Aguilar MGD, Santos FRDS, Sousa GFD, Ferraz AC, Duarte LP, Brandão GC, Vieira-Filho SA, Magalhães CLDB, Ferreira JMS, de Magalhães JC. Virucidal antiviral activity of Maytenus quadrangulata extract against Mayaro virus: Evidence for the presence of catechins. JOURNAL OF ETHNOPHARMACOLOGY 2023; 311:116436. [PMID: 37003399 DOI: 10.1016/j.jep.2023.116436] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Revised: 03/14/2023] [Accepted: 03/24/2023] [Indexed: 06/19/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Mayaro virus (MAYV) is an arbovirus endemic to the Amazon region, which comprises the states of the North and Midwest region of Brazil and encompasses the largest tropical forest in the world, the Amazon Forest. The confirmation of its potential transmission by Aedes aegypti and recent cases in Brazil, mainly in large centers in the northern region, led to the classification of Mayaro fever as an emerging disease. Traditional medicine is commonly used to treat various diseases, mainly by local riverside populations. Some species of the genus Maytenus, which have similar morphologies, are popularly used to treat infections and inflammations. In this context, our research group has studied and confirmed the antiviral activity of several plant-derived compounds. However, several species of this same genus have not been studied and therefore deserve attention. AIM OF THE STUDY This study aimed to demonstrate the effects of ethyl acetate extracts of leaves (LAE) and branches (TAE) of Maytenus quadrangulata against MAYV. MATERIALS AND METHODS Mammalian cells (Vero cells) were used to evaluate the cytotoxicity of the extracts. After cell infection by MAYV and the treatment with the extracts, we evaluated the selectivity index (SI), the virucidal effect, viral adsorption and internalization, and the effect on viral gene expression. The antiviral action was confirmed by quantifying the viral genome using RT-qPCR and by analyzing the effect on virus yield in infected cells. The treatment was performed based on the effective concentration protective for 50% of the infected cells (EC50). RESULTS The leaves (LAE; EC50 12.0 μg/mL) and branches (TAE; EC50 101.0 μg/mL) extracts showed significative selectivity against the virus, with SI values of 79.21 and 9.91, respectively, which were considered safe. Phytochemical analysis revealed that the antiviral action was associated with the presence of catechins, mainly in LAE. This extract was chosen for the subsequent studies since it reduced the viral cytopathic effect and virus production, even at high viral loads [MOI (multiplicity of infection) 1 and 5]. The effects of LAE resulted in a marked reduction in viral gene expression. The viral title was drastically reduced when LAE was added to the virus before infection or during replication stages, reducing virus production up to 5-log units compared to infected and untreated cells. CONCLUSION Through kinetic replication, MAYV was not detected in Vero cells treated with LAE throughout the viral cycle. The virucidal effect of LAE inactivates the viral particle and can intercept the virus at the end of the cycle when it gains the extracellular environment. Therefore, LAE is a promising source of antiviral agents.
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Affiliation(s)
| | | | | | - Mariana G de Aguilar
- Department of Chemistry, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil
| | | | | | - Ariane Coelho Ferraz
- Department of Biological Sciences, Universidade Federal de Ouro Preto, MG, Brazil
| | - Lucienir Pains Duarte
- Department of Chemistry, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil
| | | | | | | | | | - José Carlos de Magalhães
- Laboratory of Virology and Cellular Technology, Department of Chemistry, Biotechnology, and Bioprocess Engineering, Universidade Federal de São João del-Rei, Ouro Branco, MG, Brazil.
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Meireles ACA, Rios FGF, Feitoza LHM, da Silva LR, Julião GR. Nondestructive Methods of Pathogen Detection: Importance of Mosquito Integrity in Studies of Disease Transmission and Control. Pathogens 2023; 12:816. [PMID: 37375506 DOI: 10.3390/pathogens12060816] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Revised: 05/26/2023] [Accepted: 06/05/2023] [Indexed: 06/29/2023] Open
Abstract
Mosquitoes are vectors of many pathogens, including viruses, protozoans, and helminths, spreading these pathogens to humans as well as to wild and domestic animals. As the identification of species and the biological characterization of mosquito vectors are cornerstones for understanding patterns of disease transmission, and the design of control strategies, we conducted a literature review on the current use of noninvasive and nondestructive techniques for pathogen detection in mosquitoes, highlighting the importance of their taxonomic status and systematics, and some gaps in the knowledge of their vectorial capacity. Here, we summarized the alternative techniques for pathogen detection in mosquitoes based on both laboratory and field studies. Parasite infection and dissemination by mosquitoes can also be obtained via analyses of saliva- and excreta-based techniques or of the whole mosquito body, using a near-infrared spectrometry (NIRS) approach. Further research should be encouraged to seek strategies for detecting target pathogens while preserving mosquito morphology, especially in biodiversity hotspot regions, thus enabling the discovery of cryptic or new species, and the determination of more accurate taxonomic, parasitological, and epidemiological patterns.
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Affiliation(s)
- Anne Caroline Alves Meireles
- Laboratory of Entomology, Oswaldo Cruz Foundation, Fiocruz Rondônia, Rua da Beira 7671, Lagoa, Porto Velho 76812-245, RO, Brazil
- Postgraduate Program in Biodiversity and Health, PhD in Sciences-Fiocruz Rondônia/Oswaldo Cruz Institute, Rua da Beira 7671, Lagoa, Porto Velho 76812-245, RO, Brazil
| | - Flávia Geovana Fontineles Rios
- Laboratory of Entomology, Oswaldo Cruz Foundation, Fiocruz Rondônia, Rua da Beira 7671, Lagoa, Porto Velho 76812-245, RO, Brazil
- Postgraduate Program in Experimental Biology-PGBIOEXP, Fiocruz Rondônia-UNIR, BR-364, Km 9.5, Porto Velho 78900-550, RO, Brazil
| | - Luiz Henrique Maciel Feitoza
- Laboratory of Entomology, Oswaldo Cruz Foundation, Fiocruz Rondônia, Rua da Beira 7671, Lagoa, Porto Velho 76812-245, RO, Brazil
- Postgraduate Program in Experimental Biology-PGBIOEXP, Fiocruz Rondônia-UNIR, BR-364, Km 9.5, Porto Velho 78900-550, RO, Brazil
| | - Lucas Rosendo da Silva
- Laboratory of Entomology, Oswaldo Cruz Foundation, Fiocruz Rondônia, Rua da Beira 7671, Lagoa, Porto Velho 76812-245, RO, Brazil
- Postgraduate Program in Experimental Biology-PGBIOEXP, Fiocruz Rondônia-UNIR, BR-364, Km 9.5, Porto Velho 78900-550, RO, Brazil
| | - Genimar Rebouças Julião
- Laboratory of Entomology, Oswaldo Cruz Foundation, Fiocruz Rondônia, Rua da Beira 7671, Lagoa, Porto Velho 76812-245, RO, Brazil
- Postgraduate Program in Experimental Biology-PGBIOEXP, Fiocruz Rondônia-UNIR, BR-364, Km 9.5, Porto Velho 78900-550, RO, Brazil
- National Institute of Epidemiology of Western Amazônia-INCT-EpiAmO, Rua da Beira 7671, Lagoa, Porto Velho 76812-245, RO, Brazil
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De Sousa FB, de Curcio JS, do Carmo Silva L, da Silva DMF, Salem-Izacc SM, Anunciação CE, Ribeiro BM, Garcia-Zapata MTA, de Paula Silveira-Lacerda E. Report of natural Mayaro virus infection in Mansonia humeralis (Dyar & Knab, Diptera: Culicidae). Parasit Vectors 2023; 16:140. [PMID: 37095528 PMCID: PMC10124708 DOI: 10.1186/s13071-023-05707-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2022] [Accepted: 02/17/2023] [Indexed: 04/26/2023] Open
Abstract
BACKGROUND Arboviruses are a group of viruses transmitted to vertebrate hosts by certain blood-feeding arthropods. Among urban vectors of arboviruses, mosquitoes of the genus Aedes are the most common. However, other mosquitoes may be susceptible to infection and involved in the transmission, such as Mansonia spp. Therefore, this study aimed to investigate whether Mansonia humeralis can be infected with the Mayaro virus (MAYV). METHODS These insects were collected from 2018 to 2020 in chicken coops of rural communities in Jaci Paraná in Porto Velho, Rondônia, Brazil, while performing blood-feeding on roosters. The mosquitoes were randomly grouped in pools from which the head and thorax were macerated and checked for the presence of MAYV by quantitative reverse transcription polymerase chain reaction (RT-qPCR). The positive pools were used to infect the C6/36 cell line, and on different days post-infection, the supernatant of the infected cells was subjected to viral detection by RT-qPCR. RESULTS A total of 183 pools of female mosquitoes were tested, of which 18% were positive for MAYV; some samples from insect pools inoculated into C6/36 cells showed in vitro multiplication capacity between 3 and 7 days post-infection. CONCLUSIONS This is the first report of Ma. humeralis mosquitoes that are naturally infected by MAYV, indicating that these vectors may be potential transmitting agents of this arbovirus.
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Affiliation(s)
- Flávia Barreto De Sousa
- Unidade Sentinela e Centro de Referência em Medicina Internacional e de Viagens (USCREMIVI)/Núcleo de Estudos e Pesquisa de Agentes (Re) Emergentes (NUPEREME), Universidade Federal de Goiás, IPTSP/ICB, Goiânia, Goiás, Brazil
| | - Juliana Santana de Curcio
- Unidade Sentinela e Centro de Referência em Medicina Internacional e de Viagens (USCREMIVI)/Núcleo de Estudos e Pesquisa de Agentes (Re) Emergentes (NUPEREME), Universidade Federal de Goiás, IPTSP/ICB, Goiânia, Goiás, Brazil
| | - Lívia do Carmo Silva
- Unidade Sentinela e Centro de Referência em Medicina Internacional e de Viagens (USCREMIVI)/Núcleo de Estudos e Pesquisa de Agentes (Re) Emergentes (NUPEREME), Universidade Federal de Goiás, IPTSP/ICB, Goiânia, Goiás, Brazil
| | - Diego Michel Fernandes da Silva
- Unidade Sentinela e Centro de Referência em Medicina Internacional e de Viagens (USCREMIVI)/Núcleo de Estudos e Pesquisa de Agentes (Re) Emergentes (NUPEREME), Universidade Federal de Goiás, IPTSP/ICB, Goiânia, Goiás, Brazil
| | - Silvia Maria Salem-Izacc
- Unidade Sentinela e Centro de Referência em Medicina Internacional e de Viagens (USCREMIVI)/Núcleo de Estudos e Pesquisa de Agentes (Re) Emergentes (NUPEREME), Universidade Federal de Goiás, IPTSP/ICB, Goiânia, Goiás, Brazil
| | - Carlos Eduardo Anunciação
- Unidade Sentinela e Centro de Referência em Medicina Internacional e de Viagens (USCREMIVI)/Núcleo de Estudos e Pesquisa de Agentes (Re) Emergentes (NUPEREME), Universidade Federal de Goiás, IPTSP/ICB, Goiânia, Goiás, Brazil
| | | | - Marco Tulio A Garcia-Zapata
- Unidade Sentinela e Centro de Referência em Medicina Internacional e de Viagens (USCREMIVI)/Núcleo de Estudos e Pesquisa de Agentes (Re) Emergentes (NUPEREME), Universidade Federal de Goiás, IPTSP/ICB, Goiânia, Goiás, Brazil
| | - Elisângela de Paula Silveira-Lacerda
- Unidade Sentinela e Centro de Referência em Medicina Internacional e de Viagens (USCREMIVI)/Núcleo de Estudos e Pesquisa de Agentes (Re) Emergentes (NUPEREME), Universidade Federal de Goiás, IPTSP/ICB, Goiânia, Goiás, Brazil.
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Abbo SR, Nguyen W, Abma-Henkens MHC, van de Kamer D, Savelkoul NHA, Geertsema C, Le TTT, Tang B, Yan K, Dumenil T, van Oers MM, Suhrbier A, Pijlman GP. Comparative Efficacy of Mayaro Virus-Like Particle Vaccines Produced in Insect or Mammalian Cells. J Virol 2023; 97:e0160122. [PMID: 36883812 PMCID: PMC10062127 DOI: 10.1128/jvi.01601-22] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2022] [Accepted: 02/13/2023] [Indexed: 03/09/2023] Open
Abstract
Mayaro virus (MAYV) is a mosquito-transmitted alphavirus that causes often debilitating rheumatic disease in tropical Central and South America. There are currently no licensed vaccines or antiviral drugs available for MAYV disease. Here, we generated Mayaro virus-like particles (VLPs) using the scalable baculovirus-insect cell expression system. High-level secretion of MAYV VLPs in the culture fluid of Sf9 insect cells was achieved, and particles with a diameter of 64 to 70 nm were obtained after purification. We characterize a C57BL/6J adult wild-type mouse model of MAYV infection and disease and used this model to compare the immunogenicity of VLPs from insect cells with that of VLPs produced in mammalian cells. Mice received two intramuscular immunizations with 1 μg of nonadjuvanted MAYV VLPs. Potent neutralizing antibody responses were generated against the vaccine strain, BeH407, with comparable activity seen against a contemporary 2018 isolate from Brazil (BR-18), whereas neutralizing activity against chikungunya virus was marginal. Sequencing of BR-18 illustrated that this virus segregates with genotype D isolates, whereas MAYV BeH407 belongs to genotype L. The mammalian cell-derived VLPs induced higher mean neutralizing antibody titers than those produced in insect cells. Both VLP vaccines completely protected adult wild-type mice against viremia, myositis, tendonitis, and joint inflammation after MAYV challenge. IMPORTANCE Mayaro virus (MAYV) is associated with acute rheumatic disease that can be debilitating and can evolve into months of chronic arthralgia. MAYV is believed to have the potential to emerge as a tropical public health threat, especially if it develops the ability to be efficiently transmitted by urban mosquito vectors, such as Aedes aegypti and/or Aedes albopictus. Here, we describe a scalable virus-like particle vaccine against MAYV that induced neutralizing antibodies against a historical and a contemporary isolate of MAYV and protected mice against infection and disease, providing a potential new intervention for MAYV epidemic preparedness.
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Affiliation(s)
- Sandra R. Abbo
- Laboratory of Virology, Wageningen University & Research, Wageningen, the Netherlands
| | - Wilson Nguyen
- Inflammation Biology Group, QIMR Berghofer Medical Research Institute, Brisbane, Queensland, Australia
| | | | - Denise van de Kamer
- Laboratory of Virology, Wageningen University & Research, Wageningen, the Netherlands
| | - Niek H. A. Savelkoul
- Laboratory of Virology, Wageningen University & Research, Wageningen, the Netherlands
| | - Corinne Geertsema
- Laboratory of Virology, Wageningen University & Research, Wageningen, the Netherlands
| | - Thuy T. T. Le
- Inflammation Biology Group, QIMR Berghofer Medical Research Institute, Brisbane, Queensland, Australia
| | - Bing Tang
- Inflammation Biology Group, QIMR Berghofer Medical Research Institute, Brisbane, Queensland, Australia
| | - Kexin Yan
- Inflammation Biology Group, QIMR Berghofer Medical Research Institute, Brisbane, Queensland, Australia
| | - Troy Dumenil
- Inflammation Biology Group, QIMR Berghofer Medical Research Institute, Brisbane, Queensland, Australia
| | - Monique M. van Oers
- Laboratory of Virology, Wageningen University & Research, Wageningen, the Netherlands
| | - Andreas Suhrbier
- Inflammation Biology Group, QIMR Berghofer Medical Research Institute, Brisbane, Queensland, Australia
- GVN Center of Excellence, Australian Infectious Disease Research Center, Brisbane, Queensland, Australia
| | - Gorben P. Pijlman
- Laboratory of Virology, Wageningen University & Research, Wageningen, the Netherlands
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Krokovsky L, Lins CRB, Guedes DRD, Wallau GDL, Ayres CFJ, Paiva MHS. Dynamic of Mayaro Virus Transmission in Aedes aegypti, Culex quinquefasciatus Mosquitoes, and a Mice Model. Viruses 2023; 15:v15030799. [PMID: 36992508 PMCID: PMC10053307 DOI: 10.3390/v15030799] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Revised: 03/08/2023] [Accepted: 03/11/2023] [Indexed: 03/31/2023] Open
Abstract
Mayaro virus (MAYV) is transmitted by Haemagogus spp. mosquitoes and has been circulating in Amazon areas in the North and Central West regions of Brazil since the 1980s, with an increase in human case notifications in the last 10 years. MAYV introduction in urban areas is a public health concern as infections can cause severe symptoms similar to other alphaviruses. Studies with Aedes aegypti have demonstrated the potential vector competence of the species and the detection of MAYV in urban populations of mosquitoes. Considering the two most abundant urban mosquito species in Brazil, we investigated the dynamics of MAYV transmission by Ae. aegypti and Culex quinquefasciatus in a mice model. Mosquito colonies were artificially fed with blood containing MAYV and infection (IR) and dissemination rates (DR) were evaluated. On the 7th day post-infection (dpi), IFNAR BL/6 mice were made available as a blood source to both mosquito species. After the appearance of clinical signs of infection, a second blood feeding was performed with a new group of non-infected mosquitoes. RT-qPCR and plaque assays were carried out with animal and mosquito tissues to determine IR and DR. For Ae. aegypti, we found an IR of 97.5-100% and a DR reached 100% in both 7 and 14 dpi. While IR and DR for Cx. quinquefasciatus was 13.1-14.81% and 60% to 80%, respectively. A total of 18 mice were used (test = 12 and control = 6) for Ae. aegypti and 12 (test = 8 and control = 4) for Cx. quinquefasciatus to evaluate the mosquito-mice transmission rate. All mice that were bitten by infected Ae. aegypti showed clinical signs of infection while all mice exposed to infected Cx. quinquefasciatus mosquitoes remained healthy. Viremia in the mice from Ae. aegypti group ranged from 2.5 × 108 to 5 × 109 PFU/mL. Ae. aegypti from the second blood feeding showed a 50% IR. Our study showed the applicability of an efficient model to complete arbovirus transmission cycle studies and suggests that the Ae. aegypti population evaluated is a competent vector for MAYV, while highlighting the vectorial capacity of Ae. aegypti and the possible introduction into urban areas. The mice model employed here is an important tool for arthropod-vector transmission studies with laboratory and field mosquito populations, as well as with other arboviruses.
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Affiliation(s)
- Larissa Krokovsky
- Departamento de Entomologia, Instituto Aggeu Magalhães, Fundação Oswaldo Cruz, Av. Professor Moraes Rego, S/N, Campus da UFPE, Cidade Universitária, Recife 50740-465, PE, Brazil
| | - Carlos Ralph Batista Lins
- Biotério de Criação, Instituto Aggeu Magalhães, Fundação Oswaldo Cruz, Av. Professor Moraes Rego, S/N, Campus da UFPE, Cidade Universitária, Recife 50740-465, PE, Brazil
| | - Duschinka Ribeiro Duarte Guedes
- Departamento de Entomologia, Instituto Aggeu Magalhães, Fundação Oswaldo Cruz, Av. Professor Moraes Rego, S/N, Campus da UFPE, Cidade Universitária, Recife 50740-465, PE, Brazil
| | - Gabriel da Luz Wallau
- Departamento de Entomologia, Instituto Aggeu Magalhães, Fundação Oswaldo Cruz, Av. Professor Moraes Rego, S/N, Campus da UFPE, Cidade Universitária, Recife 50740-465, PE, Brazil
| | - Constância Flávia Junqueira Ayres
- Departamento de Entomologia, Instituto Aggeu Magalhães, Fundação Oswaldo Cruz, Av. Professor Moraes Rego, S/N, Campus da UFPE, Cidade Universitária, Recife 50740-465, PE, Brazil
| | - Marcelo Henrique Santos Paiva
- Departamento de Entomologia, Instituto Aggeu Magalhães, Fundação Oswaldo Cruz, Av. Professor Moraes Rego, S/N, Campus da UFPE, Cidade Universitária, Recife 50740-465, PE, Brazil
- Núcleo de Ciências da Vida, Centro Acadêmico do Agreste, Universidade Federal de Pernambuco (UFPE), Rodovia BR-104, km 59-Nova Caruaru, Caruaru 55002-970, PE, Brazil
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Hernandez JR, Liu S, Fredregill CL, Pietrantonio PV. Impact of the V410L kdr mutation and co-occurring genotypes at kdr sites 1016 and 1534 in the VGSC on the probability of survival of the mosquito Aedes aegypti (L.) to Permanone in Harris County, TX, USA. PLoS Negl Trop Dis 2023; 17:e0011033. [PMID: 36689414 PMCID: PMC9870149 DOI: 10.1371/journal.pntd.0011033] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Accepted: 12/17/2022] [Indexed: 01/24/2023] Open
Abstract
Harris County, TX, is the third most populous county in the USA and upon detection of arboviruses Harris County Public Health applies insecticides (e.g., pyrethroid-based Permanone 31-66) against adults of Culex quinquefasciatus to prevent disease transmission. Populations of Aedes aegypti, while not yet a target of public health control, are likely affected by pyrethroid exposure. As this species is a vector of emerging arboviruses, its resistance status to Permanone and the kdr mutations in the voltage-gated sodium channel (VGSC) associated with pyrethroid resistance were investigated. We examined females of known genotype at the V1016I and F1534C sites (N = 716) for their genotype at the 410 amino acid position in the VGSC, and for the influence of their kdr genotype on survival to Permanone at three different distances from the insecticide source in field tests. Most females (81.8%) had at least one resistant L allele at the 410 position, being the first report of the V410L mutation in Ae. aegypti for Texas. When only genotypes at the 410 position were analyzed, the LL genotype exhibited higher survivorship than VL or VV. Out of 27 possible tri-locus kdr genotypes only 23 were found. Analyses of the probability of survival of tri-locus genotypes and for the V410L genotype using a multivariate logistic regression model including area, distance, and genotype found significant interactions between distance and genotype. When only the most common tri-locus genotypes were analyzed (LL/II/CC, 48.2%; VL/II/CC, 19.1%; and VV/II/CC, 10.1%) genotype had no effect on survival, but significant interactions of distance and genotype were found. This indicated that the V410L kdr allele increased survival probability at certain distances. Genotypes did not differ in survivorship at 7.62-m, but LL/II/CC had higher survivorship than VL/II/CC at 15.24- and 22.86-m. The model also identified differences in survivorship among the operational areas investigated.
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Affiliation(s)
- Jonathan R. Hernandez
- Department of Entomology, Texas A&M University, College Station, Texas, United States of America
| | - Shuling Liu
- Department of Statistics, Texas A&M University, College Station, Texas, United States of America
| | - Chris L. Fredregill
- Harris County Public Health, Mosquito and Vector Control Division (HCPH-MVCD), Houston, Texas, United States of America
| | - Patricia V. Pietrantonio
- Department of Entomology, Texas A&M University, College Station, Texas, United States of America
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Lopes GFM, Lima WG, Santos FRS, Nunes DAF, Passos MJF, Fernandes SOA, de Magalhães JC, Dos Santos LL, Ferreira JMS. Anti-Mayaro virus activity of a hydroethanolic extract from Fridericia chica (Bonpl.) L. G. Lohmann leaves. JOURNAL OF ETHNOPHARMACOLOGY 2022; 299:115685. [PMID: 36067840 DOI: 10.1016/j.jep.2022.115685] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Revised: 08/19/2022] [Accepted: 08/28/2022] [Indexed: 06/15/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Mayaro fever is a neglected tropical disease. The region of the most significant circulation of the Mayaro virus (MAYV) is the Amazon rainforest, situated in remote areas that are difficult to access and where medicine is scarce. Thus, the regional population uses plants as an alternative for the treatment of various diseases. Fridericia chica is an endemic plant of tropical regions used in traditional medicine to treat fever, malaise, inflammation, and infectious diseases such as hepatitis B. However, its antiviral activity is poorly understood. AIM OF THE STUDY This study aimed to investigate the anti-MAYV activity of the hydroethanolic extract of the leaves of Fridericia chica (HEFc) in mammalian cells and its possible mechanism of action. MATERIALS AND METHODS The antiviral activity of HEFc was studied using Vero cell lines against MAYV. The cytotoxicity and antiviral activity of the extract were evaluated by the 3-(4, 5- dimethyl-2-thiazolyl)-2, 5-diphenyl-2H-tetrazolium bromide (MTT) assay. The overall antiviral activity was confirmed by the plaque forming units (PFU) method. Then, the effects of HEFc on MAYV multiplication kinetics, virus adsorption, penetration, and post-penetration, and its virucidal activity were determined in Vero cells using standard experimental procedures. RESULTS HEFc exerted a effect against viral infection in Vero cells at a non-cytotoxic concentration, and no virion was detected in the supernatant in a dose-dependent and selective manner. HEFc inhibited MAYV in the early and late stages of the viral multiplication cycle. The extract showed significant virucidal activity at low concentrations and did not affect adsorption or viral internalization stages. In addition, HEFc reduced virions at all post-infection times investigated. CONCLUSIONS HEFc has good antiviral activity against MAYV, acting directly on the viral particles. This plant extract possesses an excellent and promising potential for developing effective herbal antiviral drugs.
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Affiliation(s)
- Gabriela F M Lopes
- Medical Microbiology Laboratory, Universidade Federal de São João del-Rei (UFSJ), Divinópolis, Minas Gerais, Brazil; Molecular Biology Laboratory, Universidade Federal de São João Del Rei (UFSJ), Divinópolis, Minas Gerais, Brazil.
| | - Willam G Lima
- Faculty of Pharmacy, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Felipe R S Santos
- Institute of Biological Sciences, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Damiana A F Nunes
- Medical Microbiology Laboratory, Universidade Federal de São João del-Rei (UFSJ), Divinópolis, Minas Gerais, Brazil
| | - Maria J F Passos
- Multi-User Analytical Center, Universidade Federal de São João del-Rei (UFSJ), Divinópolis, Minas Gerais, Brazil
| | - Simone O A Fernandes
- Faculty of Pharmacy, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - José C de Magalhães
- Laboratory of Virology and Cell Technology, Universidade Federal de São João del-Rei (UFSJ), Ouro Branco, Minas Gerais, Brazil
| | - Luciana L Dos Santos
- Molecular Biology Laboratory, Universidade Federal de São João Del Rei (UFSJ), Divinópolis, Minas Gerais, Brazil
| | - Jaqueline M S Ferreira
- Medical Microbiology Laboratory, Universidade Federal de São João del-Rei (UFSJ), Divinópolis, Minas Gerais, Brazil
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Dias HG, de Lima RC, Barbosa LS, de Souza TMA, Badolato-Correa J, Maia LMS, Ferreira RDS, Neves NADS, Costa MCDS, Martins LR, de Souza EM, Carvalho MDS, de Araujo-Oliveira A, Marques WDA, Sabino-Santos G, Marques MS, de Macedo GC, Nantes WAG, Santos FM, Netto CC, Morgado TO, Bianchini MDA, Correa SHR, de Almeida JR, Campos LP, de Souza IM, Barreto WTG, Porfírio G, Alencar JAF, Herrera HM, Shlessarenko RD, da Cunha RV, de Azeredo EL, Salyer SJ, Komar N, Pauvolid-Corrêa A, dos Santos FB. Retrospective molecular investigation of Mayaro and Oropouche viruses at the human-animal interface in West-central Brazil, 2016-2018. PLoS One 2022; 17:e0277612. [PMID: 36395285 PMCID: PMC9671456 DOI: 10.1371/journal.pone.0277612] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Accepted: 10/31/2022] [Indexed: 11/19/2022] Open
Abstract
Mayaro virus (MAYV, Togaviridae) and Oropouche orthobunyavirus (OROV, Peribunyaviridae) are emerging enzootic arboviruses in Latin America. Outbreaks of febrile illness associated with MAYV and OROV have been reported among humans mainly in the northern region of Brazil since the 1980s, and recent data suggest these viruses have circulated also in more populated areas of western Brazil. MAYV shares mosquito vectors with yellow fever virus and it has been historically detected during yellow fever epidemics. Aiming to investigate the transmission of OROV and MAYV at the human-animal interface during a yellow fever, chikungunya and Zika outbreaks in Brazil, we conducted a retrospective molecular investigation in 810 wild and domestic animals, 106 febrile patients, and 22.931 vectors collected from 2016 to 2018 in Cuiaba and Campo Grande metropolitan regions, western Brazil. All samples tested negative for OROV and MAYV RNA by RT-qPCR. Findings presented here suggest no active circulation of MAYV and OROV in the sampled hosts. Active surveillance and retrospective investigations are instrumental approaches for the detection of cryptic and subclinical activity of enzootic arboviruses and together serve as a warning system to implement appropriate actions to prevent outbreaks.
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Affiliation(s)
- Helver Gonçalves Dias
- Laboratório de Imunologia Viral, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz (Fiocruz), Rio de Janeiro, Brazil
- * E-mail: (HGD); (APC)
| | - Raquel Curtinhas de Lima
- Laboratório de Imunologia Viral, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz (Fiocruz), Rio de Janeiro, Brazil
| | - Luciana Santos Barbosa
- Laboratório de Imunologia Viral, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz (Fiocruz), Rio de Janeiro, Brazil
- Laboratório de Genética, Instituto de Puericultura e Pediatria Martagão Gesteira (IPPMG), Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil
| | | | - Jessica Badolato-Correa
- Laboratório de Imunologia Viral, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz (Fiocruz), Rio de Janeiro, Brazil
| | - Laura Marina Siqueira Maia
- Laboratório de Virologia, Faculdade de Medicina, Universidade Federal de Mato Grosso (UFMT), Cuiabá, Brazil
| | - Raquel da Silva Ferreira
- Laboratório de Virologia, Faculdade de Medicina, Universidade Federal de Mato Grosso (UFMT), Cuiabá, Brazil
| | | | | | - Leticia Ramos Martins
- Laboratório de Virologia, Faculdade de Medicina, Universidade Federal de Mato Grosso (UFMT), Cuiabá, Brazil
| | - Emerson Marques de Souza
- Laboratório de Virologia, Faculdade de Medicina, Universidade Federal de Mato Grosso (UFMT), Cuiabá, Brazil
| | | | | | | | - Gilberto Sabino-Santos
- Center for Virology Research, Ribeirão Preto Medical School University of São Paulo, Ribeirão Preto-SP, Brazil
- Department of Tropical Medicine, Tulane University School of Public Health and Tropical Medicine, New Orleans-LA, United States of America
| | - Marcio Schafer Marques
- Center for Virology Research, Ribeirão Preto Medical School University of São Paulo, Ribeirão Preto-SP, Brazil
| | - Gabriel Carvalho de Macedo
- Laboratório de Biologia Parasitária, Programa de Pós-Graduação em Ciências Ambientais e Sustentabilidade Agropecuária, Universidade Católica Dom Bosco, Campo Grande, Brazil
| | - Wesley Arruda Gimenes Nantes
- Laboratório de Biologia Parasitária, Programa de Pós-Graduação em Ciências Ambientais e Sustentabilidade Agropecuária, Universidade Católica Dom Bosco, Campo Grande, Brazil
| | - Filipe Martins Santos
- Laboratório de Biologia Parasitária, Programa de Pós-Graduação em Ciências Ambientais e Sustentabilidade Agropecuária, Universidade Católica Dom Bosco, Campo Grande, Brazil
| | | | | | | | | | - Júlia Ramos de Almeida
- Faculdade de Medicina Veterinária, Universidade Federal de Mato Grosso (UFMT), Cuiabá, Brazil
| | - Larissa Pratta Campos
- Faculdade de Medicina Veterinária, Universidade Federal de Mato Grosso (UFMT), Cuiabá, Brazil
| | | | - Wanessa Teixeira Gomes Barreto
- Laboratório de Ecologia de Populações e do Movimento, Programa de Ecologia e Conservação, Universidade Federal de Mato Grosso do Sul (UFMS), Campo Grande, Brazil
| | - Grasiela Porfírio
- Laboratório de Biologia Parasitária, Programa de Pós-Graduação em Ciências Ambientais e Sustentabilidade Agropecuária, Universidade Católica Dom Bosco, Campo Grande, Brazil
| | | | - Heitor Miraglia Herrera
- Laboratório de Biologia Parasitária, Programa de Pós-Graduação em Ciências Ambientais e Sustentabilidade Agropecuária, Universidade Católica Dom Bosco, Campo Grande, Brazil
- Laboratório de Ecologia de Populações e do Movimento, Programa de Ecologia e Conservação, Universidade Federal de Mato Grosso do Sul (UFMS), Campo Grande, Brazil
| | | | - Rivaldo Venancio da Cunha
- Fiocruz, Campo Grande, Mato Grosso do Sul, Brazil
- Departamento de Clínica Médica, Universidade Federal do Mato Grosso do Sul, Campo Grande (UFMS), Campo Grande, Brazil
| | - Elzinandes Leal de Azeredo
- Laboratório de Imunologia Viral, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz (Fiocruz), Rio de Janeiro, Brazil
| | - Stephanie J. Salyer
- Division of Global Health Protection, Center for Global Health, U.S. Centers for Disease Control and Prevention (CDC), Atlanta, Georgia, United States of America
| | - Nicholas Komar
- Arboviral Diseases Branch, Division of Vector-borne Diseases, U.S. Centers for Disease Control and Prevention (CDC), Fort Collins, Colorado, United States of America
| | - Alex Pauvolid-Corrêa
- Departamento de Veterinária, Universidade Federal de Viçosa, Viçosa, MG, Brazil
- * E-mail: (HGD); (APC)
| | - Flávia Barreto dos Santos
- Laboratório de Imunologia Viral, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz (Fiocruz), Rio de Janeiro, Brazil
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Honokiol and Alpha-Mangostin Inhibit Mayaro Virus Replication through Different Mechanisms. Molecules 2022; 27:molecules27217362. [DOI: 10.3390/molecules27217362] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2022] [Revised: 10/26/2022] [Accepted: 10/27/2022] [Indexed: 11/16/2022] Open
Abstract
Mayaro virus (MAYV) is an emerging arbovirus with an increasing circulation across the Americas. In the present study, we evaluated the potential antiviral activity of the following natural compounds against MAYV and other arboviruses: Sanguinarine, (R)-Shikonin, Fisetin, Honokiol, Tanshinone IIA, and α-Mangostin. Sanguinarine and Shikonin showed significant cytotoxicity, whereas Fisetin, Honokiol, Tanshinone IIA, and α-Mangostin were well tolerated in all the cell lines tested. Honokiol and α-Mangostin treatment protected Vero-E6 cells against MAYV-induced damage and resulted in a dose-dependent reduction in viral progeny yields for each of the MAYV strains and human cell lines assessed. These compounds also reduced MAYV viral RNA replication in HeLa cells. In addition, Honokiol and α-Mangostin disrupted MAYV infection at different stages of the virus life cycle. Moreover, Honokiol and α-Mangostin decreased Una, Chikungunya, and Zika viral titers and downmodulated the expression of E1 and nsP1 viral proteins from MAYV, Una, and Chikungunya. Finally, in Honokiol- and α-Mangostin-treated HeLa cells, we observed an upregulation in the expression of type I interferon and specific interferon-stimulated genes, including IFNα, IFNβ, MxA, ISG15, OAS2, MDA-5, TNFα, and IL-1β, which may promote an antiviral cellular state. Our results indicate that Honokiol and α-Mangostin present potential broad-spectrum activity against different arboviruses through different mechanisms.
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Dias HG, dos Santos FB, Pauvolid-Corrêa A. An Overview of Neglected Orthobunyaviruses in Brazil. Viruses 2022; 14:v14050987. [PMID: 35632729 PMCID: PMC9146330 DOI: 10.3390/v14050987] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Revised: 04/11/2022] [Accepted: 04/12/2022] [Indexed: 02/04/2023] Open
Abstract
Dozens of orthobunyaviruses have been isolated in Brazil, and at least thirteen have been associated with human disease. The Oropouche virus has received most attention for having caused explosive epidemics with hundreds of thousands of cases in the north region between the 1960sand the 1980s, and since then has been sporadically detected elsewhere in the country. Despite their importance, little is known about their enzootic cycles of transmission, amplifying hosts and vectors, and biotic and abiotic factors involved in spillover events to humans. This overview aims to combine available data of neglected orthobunyaviruses of several serogroups, namely, Anopheles A, Anopheles B, Bunyamwera, California, Capim, Gamboa, Group C, Guama, Simbu and Turlock, in order to evaluate the current knowledge and identify research gaps in their natural transmission cycles in Brazil to ultimately point to the future direction in which orthobunyavirus research should be guided.
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Affiliation(s)
- Helver Gonçalves Dias
- Laboratório de Imunologia Viral, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz (Fiocruz), Rio de Janeiro 21040-900, Brazil;
- Correspondence:
| | - Flávia Barreto dos Santos
- Laboratório de Imunologia Viral, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz (Fiocruz), Rio de Janeiro 21040-900, Brazil;
| | - Alex Pauvolid-Corrêa
- Department of Veterinary Integrative Biosciences, Texas A&M University, College Station, TX 77843-4458, USA;
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