A5049742787- Mosquito-borne diseases and control
- Insect symbiosis and bacterial influences
- Insect and Pesticide Research
- Viral Infections and Vectors
- Dengue and Mosquito Control Research
- Vector-Borne Animal Diseases
- Malaria Research and Control
- Insect Pest Control Strategies
- Research on Leishmaniasis Studies
- Psychodrama and Leishmaniasis Studies
- Intimate Partner and Family Violence
- Natural Compound Pharmacology Studies
- Insect Resistance and Genetics
- Allelopathy and phytotoxic interactions
- Plant Parasitism and Resistance
- Innovation and Socioeconomic Development
Fundação Oswaldo Cruz
2018-2025
Universidade do Sul de Santa Catarina
2013-2021
Universidade Federal do Rio Grande do Sul
2016-2021
Universidade Federal do Paraná
2021
Newly emerging or re-emerging arthropod-borne viruses (arboviruses) are important causes of human morbidity and mortality worldwide. Arboviruses such as Dengue (DENV), Zika (ZIKV), Chikungunya (CHIKV), West Nile virus (WNV) have undergone extensive geographic expansion in the tropical sub-tropical regions world. In Americas main vectors DENV, ZIKV, CHIKV mosquito species adapted to urban environments, namely Aedes aegypti albopictus, whereas vector WNV is Culex quinquefasciatus. Given...
Wolbachia, an intracellular endosymbiont present in up to 70% of all insect species, has been suggested as a sustainable strategy for the control arboviruses such Dengue, Zika and Chikungunya. As Mayaro virus outbreaks have also reported Latin American countries, objective this study was evaluate vector competence Brazilian field-collected Ae. aegypti impact Wolbachia (wMel strain) upon virus. Our vitro studies with Aag2 cells showed that can rapidly multiply, whereas wMel-infected cells,...
Abstract Field release of Wolbachia -infected Aedes aegypti has emerged as a promising solution to manage the transmission dengue, Zika and chikungunya in endemic areas across globe. Through an efficient self-dispersing mechanism, ability induce virus-blocking properties, offers unmatched potential gradually modify wild Ae. populations turning them unsuitable disease vectors. Here we describe proof-of-concept field trial carried out small community Niterói, greater Rio de Janeiro, Brazil....
Background Wolbachia's ability to restrict arbovirus transmission makes it a promising tool combat mosquito-transmitted diseases. Wolbachia-infected Aedes aegypti are currently being released in locations such as Brazil, which regularly experience concurrent outbreaks of different arboviruses. A. can become co-infected with, and transmit multiple arboviruses with one bite, complicate patient diagnosis treatment. Methodology/principle findings Using experimental oral infection then RT-qPCR,...
Wolbachia introgression into Aedes aegypti mosquito populations has been shown to be effective in preventing dengue and is being evaluated for WHO prequalification. Monitoring the long-term of ( w Mel)-positive mosquitoes, however, requires labor-intensive costly BG-Sentinel traps (BG-traps). More affordable alternatives, such as using oviposition (ovitraps), have not fully evaluated. Ae. eggs adults were collected from 124 ovitraps 237 BG-traps, respectively, across 12 clusters Belo...
Oropouche orthobunyavirus (OROV) is an emerging public health concern due to its expanding geographic range and increasing case numbers. In Brazil, 13,785 cases were confirmed in 2024, with additional 3680 reported by January 2025, according the Ministry of Health. Initially restricted Amazon region, OROV has recently been detected new areas, highlighting need for enhanced surveillance vector control strategies. While Culicoides paraensis primary vector, potential role other species...
Background: Yellow fever outbreaks have re-emerged in Brazil during 2016-18, with mortality rates up to 30%. Although urban transmission has not been reported since 1942, the risk of re-urbanization yellow is significant, as Aedes aegypti present most tropical and sub-tropical cities World still remains main vector YFV. YFV vaccine safe effective, it does always reach populations at greatest infection there an acknowledged global shortage supply. The introgression Wolbachia bacteria into Ae....
Dengue represents a serious threat to human health, with billions of people living at risk the disease. Wolbachia pipientis is bacterial endosymbiont common many insect species. transinfections in mosquito disease vectors have great value for control given bacterium's ability spread into wild populations, and interfere infections pathogens, such as dengue virus. Aedes fluviatilis widespread distribution Latin America, but its status vector has not been clarified. Ae. also naturally infected...
This study registers Ascogregarina spp. infection in field populations of Aedes aegypti and albopictus a subtropical region Brazil.Mosquito larvae collected tires placed four municipalities Santa Catarina were identified morphologically assessed for sp. using morphological molecular methods.Both mosquito species harbored taiwanensis, whose genomic DNA was confirmed both the by PCR. sequences deposited GenBank. Conclusion: Both Ae. e harbor
Abstract Field release of Wolbachia -infected Aedes aegypti has emerged as a promising solution to manage the transmission dengue, Zika and chikungunya in endemic areas across globe. Through an efficient self-dispersing mechanism, ability induce virus-blocking properties, offers unmatched potential gradually modify wild Ae. populations turning them unsuitable disease vectors. Here this work, proof-of-concept field trial was carried out small community Niterói, greater Rio de Janeiro....
As ascogregarinas são protozoários, pertencentes ao filo Apicomplexa, que parasitam várias espécies de invertebrados, incluindo algumas importantes mosquitos envolvidas na transmissão arboviroses, como dengue, febre amarela, chikungunya e zika. gregarinas mais frequentemente reportadas em Ascogregarina culicis, A. taiwanensis barreti, as quais possuem Aedes aegypti, Ae. albopictus triseriatus hospedeiros naturais, respectivamente. Estudos têm demonstrado o parasitismo pode influenciar...
The resistance of some species Anopheles to chemical insecticides is spreading quickly throughout the world and has hindered actions prevention control malaria. main mechanism responsible for in these insects appears be target site known as knock-down (kdr), which causes mutations sodium channel. Even so, many countries have made significant progress malaria, focusing largely on vector through long-lasting insecticide nets (LLINs), indoor residual spraying (IRS) insecticides. objective this...
The Mayaro virus (MAYV) is an arbovirus that circulates mainly in tropical forests or rural areas Latin America and transmitted by Haemagogus mosquitoes. objective of this study was to evaluate the vector competence, microbiome, presence Wolbachia three Aedes albopictus populations infected with MAYV. competence assessed based on viral infection transmission RT-qPCR. In addition, microbiome evaluated amplification 16S rRNA V4 region PCR detect (strain wAlbA/wAlbB). Our results show all were...
<ns4:p><ns4:bold>Background</ns4:bold>: Yellow fever outbreaks have re-emerged in Brazil during 2016-18, with mortality rates up to 30%. Although urban transmission has not been reported since 1942, the risk of re-urbanization yellow is significant, as <ns4:italic>Aedes aegypti</ns4:italic> present most tropical and sub-tropical cities World used be main vector past. The introgression <ns4:italic>Wolbachia</ns4:italic> bacteria into <ns4:italic>Ae. mosquito populations being trialed several...
The family Psychodidae has a cosmopolitan distribution with members that occur in many habitats, mainly humid environments, and is most diverse the tropics. Subfamilies Sycoracinae Phlebotominae have females hematophagous habits latter studied more due to medical veterinary interest, since it includes species can transmit diseases animals humans. knowledge about sand fly fauna region extremely important for adequate monitoring control measures leishmaniasis. Thus, objective of this study was...
ABSTRACT Mosquitoes such as Aedes aegypti, albopictus and Culex quinquefasciatus are vectors of many pathogens that greatly affect humankind. The maintenance these mosquitoes in laboratory permit different studies can help understanding their biology, well the vector-pathogen interaction. In addition to sugar meals, blood feeding is essential for reproductive cycle several vectors. main sources mosquito colonies direct on live animal or use human/animal through artificial feeders. However,...
Abstract Newly emerging or re-emerging arthropod-borne viruses (arboviruses) are important causes of human morbidity and mortality nearly worldwide. Arboviruses such as Dengue (DENV), Zika (ZIKV), Chikungunya (CHIKV) West Nile virus (WNV) underwent an extensive geographic expansion in the tropical sub-tropical regions world. In Americas main vectors, for DENV, ZIKV CHIKV, mosquito species adapted to urban environments namely Aedes aegy pti albopictus , whereas vector WNV is Culex...
Abstract Background: Aedes albopictus and aegypti are mosquitoes commonly adapted to tropical subtropical regions. These vectors can transmit different types of arboviruses causing a serious concern public health. New alternatives for the vector/arboviruses control emerging, in this sense protozoan Ascogregarina taiwanensis may present potential as biological agent against these mosquitoes. Methods: To evaluate effects A. , were parasitized with solution containing oocysts evaluated...