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Souza SSD, Gomes AR, Guimarães ATB, Rodrigues ASDL, de Matos LP, Dos Santos Mendonça J, da Luz TM, Matos SGDS, Rahman MS, Ragavendran C, Senthil-Nathan S, Guru A, Rakib MRJ, Mubarak NM, Rahman MM, Rocha TL, Islam ARMT, Malafaia G. Cellulose microcrystalline: A promising ecofriendly approach to control Culex quinquefasciatus larvae. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 901:165952. [PMID: 37536599 DOI: 10.1016/j.scitotenv.2023.165952] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/26/2023] [Revised: 07/29/2023] [Accepted: 07/30/2023] [Indexed: 08/05/2023]
Abstract
The growing use of synthetic chemical compounds/substances in vector control of mosquitoes, associated with their adverse effects on the environment and non-target organisms, has demanded the development of eco-friendly alternatives. In this context, this study aimed to evaluate the larvicidal action of different cellulose microcrystalline (CMs) concentrations and investigate their toxicity mechanisms in Culex quinquefasciatus fourth instar larvae as a model species. Probit analysis revealed that the median lethal concentrations (LC50) for 24 h and 36 h exposure were 100 and 58.29 mg/L, respectively. We also showed that such concentrations induced a redox imbalance in the larvae, marked by an increase in the production of reactive oxygen species (ROS) and thiobarbituric acid reactive substances (TBARS), as well as a reduction in the activity of superoxide dismutase (SOD) and catalase (CAT). Furthermore, different alterations in the external morphology of the larvae were associated with the ingestion of CMs. On the other hand, exposure of adult zebrafish (Danio rerio) to LC5024h and LC5036h for seven days did not induce any behavioral changes or alterations mutagenic, genotoxic, biochemical, or in the production of cytokines IFN-γ and IL-10. Thus, taken together, our study demonstrates for the first time that the use of CMs can constitute a promising strategy in the control of C. quinquefasciatus larvae, combining insecticidal efficiency with an "eco-friendly" approach in the fight against an important mosquito vector of several human diseases.
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Affiliation(s)
- Sindoval Silva de Souza
- Post-Graduation Program in Biotechnology and Biodiversity, Federal University of Goiás, Goiânia, GO, Brazil; Laboratory of Toxicology Applied to the Environment, Goiano Federal Institute - Urutaí Campus. Rodovia Geraldo Silva Nascimento, 2,5 km, Zona Rural, Urutaí, GO, Brazil
| | - Alex Rodrigues Gomes
- Laboratory of Toxicology Applied to the Environment, Goiano Federal Institute - Urutaí Campus. Rodovia Geraldo Silva Nascimento, 2,5 km, Zona Rural, Urutaí, GO, Brazil; Post-Graduation Program in Ecology, Conservation, and Biodiversity, Federal University of Uberlândia, Uberlândia, MG, Brazil
| | - Abraão Tiago Batista Guimarães
- Laboratory of Toxicology Applied to the Environment, Goiano Federal Institute - Urutaí Campus. Rodovia Geraldo Silva Nascimento, 2,5 km, Zona Rural, Urutaí, GO, Brazil
| | - Aline Sueli de Lima Rodrigues
- Laboratory of Toxicology Applied to the Environment, Goiano Federal Institute - Urutaí Campus. Rodovia Geraldo Silva Nascimento, 2,5 km, Zona Rural, Urutaí, GO, Brazil; Post-Graduation Program in Conservation of Cerrado Natural Resources, Goiano Federal Institute, Urutaí, GO, Brazil
| | - Letícia Paiva de Matos
- Laboratory of Toxicology Applied to the Environment, Goiano Federal Institute - Urutaí Campus. Rodovia Geraldo Silva Nascimento, 2,5 km, Zona Rural, Urutaí, GO, Brazil
| | - Juliana Dos Santos Mendonça
- Laboratory of Toxicology Applied to the Environment, Goiano Federal Institute - Urutaí Campus. Rodovia Geraldo Silva Nascimento, 2,5 km, Zona Rural, Urutaí, GO, Brazil
| | - Thiarlen Marinho da Luz
- Post-Graduation Program in Biotechnology and Biodiversity, Federal University of Goiás, Goiânia, GO, Brazil; Laboratory of Toxicology Applied to the Environment, Goiano Federal Institute - Urutaí Campus. Rodovia Geraldo Silva Nascimento, 2,5 km, Zona Rural, Urutaí, GO, Brazil; Post-Graduation Program in Ecology, Conservation, and Biodiversity, Federal University of Uberlândia, Uberlândia, MG, Brazil
| | - Stênio Gonçalves da Silva Matos
- Laboratory of Toxicology Applied to the Environment, Goiano Federal Institute - Urutaí Campus. Rodovia Geraldo Silva Nascimento, 2,5 km, Zona Rural, Urutaí, GO, Brazil
| | - M Safiur Rahman
- Department of Environmental Science and Disaster Management, Noakhali Science and Technology University, Noakhali 3814, Bangladesh
| | - Chinnasamy Ragavendran
- Saveetha Dental College and Hospitals (SIMATS), Saveetha University Chennai, Tamil Nadu, India
| | - Sengottayan Senthil-Nathan
- Division of Biopesticides and Environmental Toxicology, Sri Paramakalyani Centre for Excellence in Environmental Sciences, Manonmaniam Sundaranar University, Alwarkurichi, Tirunelveli, Tamil Nadu 627 412, India
| | - Ajay Guru
- Department of Cariology, Saveetha Dental College and Hospitals, SIMATS, Chennai 600 077, Tamil Nadu, India
| | | | - Nabisab Mujawar Mubarak
- Petroleum and Chemical Engineering, Faculty of Engineering, Universiti Teknologi Brunei, Bandar Seri Begawan BE1410, Brunei Darussalam; Department of Biosciences, Saveetha School of Engineering, Saveetha institute of Medical and Technical Sciences, Chennai, India
| | | | - Thiago Lopes Rocha
- Laboratory of Environmental Biotechnology and Ecotoxicology, Institute of Tropical Pathology and Public Health, Federal University of Goiás, Goiânia, Goiás, Brazil
| | | | - Guilherme Malafaia
- Post-Graduation Program in Biotechnology and Biodiversity, Federal University of Goiás, Goiânia, GO, Brazil; Laboratory of Toxicology Applied to the Environment, Goiano Federal Institute - Urutaí Campus. Rodovia Geraldo Silva Nascimento, 2,5 km, Zona Rural, Urutaí, GO, Brazil; Post-Graduation Program in Ecology, Conservation, and Biodiversity, Federal University of Uberlândia, Uberlândia, MG, Brazil; Post-Graduation Program in Conservation of Cerrado Natural Resources, Goiano Federal Institute, Urutaí, GO, Brazil.
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Layne-Yarde RNA, Sandiford SL. Larvicidal Potential of Caribbean Plants. BIOMED RESEARCH INTERNATIONAL 2023; 2023:5518863. [PMID: 37663786 PMCID: PMC10474962 DOI: 10.1155/2023/5518863] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/26/2023] [Revised: 06/12/2023] [Accepted: 08/01/2023] [Indexed: 09/05/2023]
Abstract
Mosquitoes are vectors for numerous arboviruses such as dengue, chikungunya, and Zika which continue to negatively impact the health of Caribbean populations. Within the region, synthetic insecticides are primarily used to control mosquito populations. In many countries however, these compounds are becoming less effective due to resistance, and they may also be harmful to the environment. Thus, there is a significant need for the development of alternative agents to combat the mosquito threat in the Caribbean. Worldwide, botanical-based products are being increasingly investigated for vector control because they are environmentally friendly and are often highly effective mosquitocidal agents. Although the botanical diversity within the Caribbean is remarkable, work on plant biopesticides in the region remains limited. The aim of this review, therefore, is to discuss the use of Caribbean botanical extracts as larvicidal agents. Additionally, we highlight the need for future work in this area which may subsequently lead to the implementation of transformative public health policies.
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Affiliation(s)
- Rhaheem N. A. Layne-Yarde
- Department of Basic Medical Sciences, Pharmacology and Pharmacy Section, The University of the West Indies Mona, Kingston 7, Jamaica
| | - Simone L. Sandiford
- Department of Basic Medical Sciences, Pharmacology and Pharmacy Section, The University of the West Indies Mona, Kingston 7, Jamaica
- Mosquito Control and Research Unit, The University of the West Indies, Mona, Jamaica
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Sombié A, Ouédraogo WM, Oté M, Saiki E, Sakurai T, Yaméogo F, Sanon A, McCall PJ, Kanuka H, Weetman D, Badolo A. Association of 410L, 1016I and 1534C kdr mutations with pyrethroid resistance in Aedes aegypti from Ouagadougou, Burkina Faso, and development of a one-step multiplex PCR method for the simultaneous detection of 1534C and 1016I kdr mutations. Parasit Vectors 2023; 16:137. [PMID: 37076920 PMCID: PMC10116651 DOI: 10.1186/s13071-023-05743-y] [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: 08/19/2022] [Accepted: 03/16/2023] [Indexed: 04/21/2023] Open
Abstract
BACKGROUND Since 2000, Burkina Faso has experienced regular dengue cases and outbreaks, making dengue an increasingly important health concern for the country. Previous studies in Burkina Faso reported that resistance of Aedes aegypti to pyrethroid insecticides was associated with the F1534C and V1016I kdr mutations. The current study reports high resistance of Ae. aegypti populations to pyrethroid insecticides, likely supported by mutations in the voltage-gated sodium channel, here evidenced by genotyping the kdr SNPs V410L, V1016I and F1534C. We also describe a new multiplex PCR-based diagnostic of F1534C and V1016I kdr SNPs. METHODS Larvae of Ae. aegypti were collected from three health districts of Ouagadougou in 2018. The resistance status of Ae. aegypti to permethrin (15 μg/ml) and deltamethrin (10 μg/ml) was tested using bottles and to malathion (5%) using WHO tube tests. All bioassays used 1-h exposure and mortality recorded 24 h post-exposure. Bioassay results were interpreted according to WHO thresholds for resistance diagnosis. The kdr mutations were screened using AS-PCR and TaqMan methods in exposed and non-exposed Aedes mosquitoes. RESULTS Females from all health districts were resistant to permethrin and deltamethrin (< 20% mortality) but were fully susceptible to 5% malathion. The F1534C and V1016I kdr mutations were successfully detected using a newly developed multiplex PCR in perfect agreement with TaqMan method. The 1534C/1016I/410L haplotype was correlated with permethrin resistance but not with deltamethrin resistance; however, the test power was limited by a low frequency of dead individuals in deltamethrin exposure. CONCLUSIONS Resistance to pyrethroid insecticides is associated with kdr mutant haplotypes, while the absence of substantial resistance to malathion suggests that it remains a viable option for dengue vector control in Ouagadougou.
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Affiliation(s)
- Aboubacar Sombié
- Laboratoire d'Entomologie Fondamentale et Appliquée, Université Joseph Ki-Zerbo, Ouagadougou, Burkina Faso
| | - Wendegoudi Mathias Ouédraogo
- Laboratoire d'Entomologie Fondamentale et Appliquée, Université Joseph Ki-Zerbo, Ouagadougou, Burkina Faso
- Programme National de Lutte Contre Les Maladies Tropicales Négligées, Ministère de la Santé, Ouagadougou, Burkina Faso
| | - Manabu Oté
- Center for Medical Entomology, The Jikei University School of Medicine, Tokyo, Japan
- Department of Tropical Medicine, The Jikei University School of Medicine, Tokyo, Japan
| | - Erisha Saiki
- Center for Medical Entomology, The Jikei University School of Medicine, Tokyo, Japan
- Laboratory Animal Facilities, The Jikei University School of Medicine, Tokyo, Japan
| | - Tatsuya Sakurai
- Center for Medical Entomology, The Jikei University School of Medicine, Tokyo, Japan
- Laboratory Animal Facilities, The Jikei University School of Medicine, Tokyo, Japan
| | - Félix Yaméogo
- Laboratoire d'Entomologie Fondamentale et Appliquée, Université Joseph Ki-Zerbo, Ouagadougou, Burkina Faso
| | - Antoine Sanon
- Laboratoire d'Entomologie Fondamentale et Appliquée, Université Joseph Ki-Zerbo, Ouagadougou, Burkina Faso
| | - Philip J McCall
- Department of Vector Biology, Liverpool School of Tropical Medicine, Liverpool, UK
| | - Hirotaka Kanuka
- Center for Medical Entomology, The Jikei University School of Medicine, Tokyo, Japan
- Department of Tropical Medicine, The Jikei University School of Medicine, Tokyo, Japan
| | - David Weetman
- Department of Vector Biology, Liverpool School of Tropical Medicine, Liverpool, UK
| | - Athanase Badolo
- Laboratoire d'Entomologie Fondamentale et Appliquée, Université Joseph Ki-Zerbo, Ouagadougou, Burkina Faso.
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de Oliveira Barbosa Bitencourt R, Corrêa TA, Santos-Mallet J, Santos HA, Lowenberger C, Moreira HVS, Gôlo PS, Bittencourt VREP, da Costa Angelo I. Beauveria bassiana interacts with gut and hemocytes to manipulate Aedes aegypti immunity. Parasit Vectors 2023; 16:17. [PMID: 36650591 PMCID: PMC9847134 DOI: 10.1186/s13071-023-05655-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Accepted: 01/05/2023] [Indexed: 01/18/2023] Open
Abstract
BACKGROUND Mosquito-borne diseases affect millions of people. Chemical insecticides are currently employed against mosquitoes. However, many cases of insecticide resistance have been reported. Entomopathogenic fungi (EPF) have demonstrated potential as a bioinsecticide. Here, we assessed the invasion of the EPF Beauveria bassiana into Aedes aegypti larvae and changes in the activity of phenoloxidase (PO) as a proxy for the general activation of the insect innate immune system. In addition, other cellular and humoral responses were evaluated. METHODS Larvae were exposed to blastospores or conidia of B. bassiana CG 206. After 24 and 48 h, scanning electron microscopy (SEM) was conducted on the larvae. The hemolymph was collected to determine changes in total hemocyte concentration (THC), the dynamics of hemocytes, and to observe hemocyte-fungus interactions. In addition, the larvae were macerated to assess the activity of PO using L-DOPA conversion, and the expression of antimicrobial peptides (AMPs) was measured using quantitative Real-Time PCR. RESULTS Propagules invaded mosquitoes through the midgut, and blastopores were detected inside the hemocoel. Both propagules decreased the THC regardless of the time. By 24 h after exposure to conidia the percentage of granulocytes and oenocytoids increased while the prohemocytes decreased. By 48 h, the oenocytoid percentage increased significantly (P < 0.05) in larvae exposed to blastospores; however, the other hemocyte types did not change significantly. Regardless of the time, SEM revealed hemocytes adhering to, and nodulating, blastospores. For the larvae exposed to conidia, these interactions were observed only at 48 h. Irrespective of the propagule, the PO activity increased only at 48 h. At 24 h, cathepsin B was upregulated by infection with conidia, whereas both propagules resulted in a downregulation of cecropin and defensin A. At 48 h, blastospores and conidia increased the expression of defensin A suggesting this may be an essential AMP against EPF. CONCLUSION By 24 h, B. bassiana CG 206 occluded the midgut, reduced THC, did not stimulate PO activity, and downregulated AMP expression in larvae, all of which allowed the fungus to impair the larvae to facilitate infection. Our data reports a complex interplay between Ae. aegypti larvae and B. bassiana CG 206 demonstrating how this fungus can infect, affect, and kill Ae. aegypti larvae.
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Affiliation(s)
- Ricardo de Oliveira Barbosa Bitencourt
- grid.412391.c0000 0001 1523 2582Graduate Program in Veterinary Sciences, Veterinary Institute, Federal Rural University of Rio de Janeiro, Seropédica, RJ Brazil
| | - Thaís Almeida Corrêa
- grid.412391.c0000 0001 1523 2582Graduate Program in Veterinary Sciences, Veterinary Institute, Federal Rural University of Rio de Janeiro, Seropédica, RJ Brazil
| | - Jacenir Santos-Mallet
- grid.418068.30000 0001 0723 0931Oswaldo Cruz Foundation, IOC-FIOCRUZ-RJ, Rio de Janeiro, RJ Brazil ,FIOCRUZ-PI, Teresina, Piauí Brazil ,grid.441915.c0000 0004 0501 3011Iguaçu University-UNIG, Nova Iguaçu, RJ Brazil
| | - Huarrison Azevedo Santos
- grid.412391.c0000 0001 1523 2582Department of Epidemiology and Public Health, Veterinary Institute, Federal Rural University of Rio de Janeiro, Seropédica, RJ Brazil
| | - Carl Lowenberger
- grid.61971.380000 0004 1936 7494Centre for Cell Biology, Development and Disease, Department of Biological Sciences, Simon Fraser University, Burnaby, BC V5A 1S6 Canada
| | - Haika Victória Sales Moreira
- grid.412391.c0000 0001 1523 2582Graduate Program in Veterinary Sciences, Veterinary Institute, Federal Rural University of Rio de Janeiro, Seropédica, RJ Brazil
| | - Patrícia Silva Gôlo
- grid.412391.c0000 0001 1523 2582Department of Animal Parasitology, Veterinary Institute, Federal Rural University of Rio de Janeiro, Seropédica, RJ Brazil
| | - Vânia Rita Elias Pinheiro Bittencourt
- grid.412391.c0000 0001 1523 2582Department of Animal Parasitology, Veterinary Institute, Federal Rural University of Rio de Janeiro, Seropédica, RJ Brazil
| | - Isabele da Costa Angelo
- Department of Epidemiology and Public Health, Veterinary Institute, Federal Rural University of Rio de Janeiro, Seropédica, RJ, Brazil.
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Francis S, Frank C, Buchanan L, Green S, Stennett-Brown R, Gordon-Strachan G, Rubio-Palis Y, Grant C, Alexander-Lindo RL, Nwokocha C, Robinson D, Delgoda R. Challenges in the control of neglected insect vector diseases of human importance in the Anglo-Caribbean. One Health 2021; 13:100316. [PMID: 34485673 PMCID: PMC8405964 DOI: 10.1016/j.onehlt.2021.100316] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Revised: 08/21/2021] [Accepted: 08/22/2021] [Indexed: 11/24/2022] Open
Abstract
INTRODUCTION Neglected tropical diseases (NTDs) in developing countries like the Caribbean, negatively affect multiple income-generating sectors, including the tourism industry upon which island states are highly dependent. Insect-transmitted NTDs include, but are not limited to, malaria, dengue and lymphatic filariasis. Control measures for these disease, are often ignored because of the associated cost. Many of the developing country members are thus retained in a financially crippling cycle, balancing the cost of prophylactic measures with that of controlling an outbreak.The purpose of the paper is to bring awareness to NTDs transmitted by insects of importance to humans, and to assess factors affecting such control, in the English-speaking Caribbean. METHOD Comprehensive literature review on reports pertaining to NTDs transmitted by insects in the Caribbean and Latin America was conducted. Data search was carried out on PubMed, and WHO and PAHO websites. RESULTS AND CONCLUSION Potential risk factors for NTDs transmitted by arthropods in the English-speaking Caribbean are summarised. The mosquito appears to be the main insect-vector of human importance within the region of concern. Arthropod-vectors of diseases of veterinary importance are also relevant because they affect the livelihood of farmers, in highly agriculture based economies. Other NTDs may also be in circulation gauged by the presence of antibodies in Caribbean individuals. However, routine diagnostic tests for specific diseases are expensive and tests may not be conducted when diseases are not prevalent in the population. It appears that only a few English-speaking Caribbean countries have examined secondary reservoirs of pathogens or assessed the effectivity of their insect control methods. As such, disease risk assessment appears incomplete. Although continuous control is financially demanding, an integrated and multisectoral approach might help to deflect the cost. Such interventions are now being promoted by health agencies within the region and various countries are creating and exploring the use of novel tools to be incorporated in their insect-vector control programmes.
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Affiliation(s)
- Sheena Francis
- Natural Products Institute, University of the West Indies, Mona, Jamaica
- Mosquito Control Research Unit, University of the West Indies, Jamaica
| | - Chelsea Frank
- Natural Products Institute, University of the West Indies, Mona, Jamaica
- Mosquito Control Research Unit, University of the West Indies, Jamaica
| | - Luke Buchanan
- Mona Geoinformatics Institute, University of the West Indies, Mona, Jamaica
| | - Sean Green
- Department of Life Sciences, University of the West Indies, Mona, Jamaica
| | - Roxann Stennett-Brown
- Department of Physics, University of the West Indies, Mona, Jamaica
- Mosquito Control Research Unit, University of the West Indies, Jamaica
| | - Georgiana Gordon-Strachan
- Caribbean Institute for Health Research, University of the West Indies, Mona, Jamaica
- Mosquito Control Research Unit, University of the West Indies, Jamaica
| | - Yasmin Rubio-Palis
- Facultad de Ciencias de la Salud, sede Aragua, Universidad de Carabobo, Maracay, Venezuela
| | - Charles Grant
- International Centre for Environmental and Nuclear Sciences, University of the West Indies, Mona, Jamaica
- Mosquito Control Research Unit, University of the West Indies, Jamaica
| | - Ruby Lisa Alexander-Lindo
- Department of Basic Medical Sciences, University of the West Indies, Mona, Jamaica
- Mosquito Control Research Unit, University of the West Indies, Jamaica
| | - Chukwuemeka Nwokocha
- Department of Basic Medical Sciences, University of the West Indies, Mona, Jamaica
- Mosquito Control Research Unit, University of the West Indies, Jamaica
| | - Dwight Robinson
- Department of Life Sciences, University of the West Indies, Mona, Jamaica
- Mosquito Control Research Unit, University of the West Indies, Jamaica
| | - Rupika Delgoda
- Natural Products Institute, University of the West Indies, Mona, Jamaica
- Mosquito Control Research Unit, University of the West Indies, Jamaica
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