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Jeon J, Ryu J, Choi KS. Distribution and frequency of ace-1 and kdr mutations of Culex pipiens subgroup in the Republic of Korea. Acta Trop 2024; 249:107058. [PMID: 37913971 DOI: 10.1016/j.actatropica.2023.107058] [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: 10/05/2023] [Revised: 10/30/2023] [Accepted: 10/30/2023] [Indexed: 11/03/2023]
Abstract
Mosquitoes in the Culex pipiens subgroup are the primary vectors of the West Nile virus. Two members, Culex pallens and Culex pipiens f. molestus, are present in the Republic of Korea (ROK). Because the Culex pipiens subgroup occurs in large amounts, often near human habitation, it is frequently exposed to various insecticides, which is probably responsible for the rapid evolution of insecticide resistance traits. Experiments related to insecticide resistance in the Culex pipiens subgroup conducted in the ROK have been performed without discrimination below the species level. This study categorized Culex pipiens mosquitoes subgroup from 13 regions in the ROK into Culex pallens and Culex pipiens f. molestus, and target site genotypes for acetylcholinesterase-1 (ace-1) and voltage-gated sodium channel (vgsc) genes were identified for each taxon. Screening for ace-1 did not identify a resistant allele (G119S) in Cx. pipiens f. molestus, and heterozygous resistance (AGC/GGC) was identified in one Cx. pallens collected in Mokpo. In vgsc, knockdown resistance (kdr) mutations [TTT(L1014F) and TCA(L1014S)] were present in both taxa, with Cx. pipiens f. molestus having homozygous resistance (TTT/TTT): 44%, heterozygous resistance (TTT/TTA): 28%, and homozygous susceptibility (TTA/TTA): 28%, whereas Cx. pallens showed homozygous resistance (TTT/TTT or TCA/TCA): 26%, heterozygous resistance (TTT/TTA, TTT/TCA, or TCA/TTA): 26%, and homozygous susceptibility (TTA/TTA): 48%. Furthermore, the unique vgsc allele was present in both Cx. pipiens f. molestus and Cx. pallens. This was the first experiment to analyze the Culex pipiens subgroup living in the ROK below the species level, and its results could be used in the future for more detailed mosquito control.
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Affiliation(s)
- Jiseung Jeon
- School of Life Sciences, BK21 FOUR KNU Creative BioResearch Group, Kyungpook National University, Daegu 41566, Republic of Korea; School of Life Sciences, College of Natural Sciences, Kyungpook National University, Daegu 41566, Republic of Korea; Research Institute for Dok-do and Ulleung-do Island, Kyungpook National University, Daegu 41566, Republic of Korea
| | - Jihun Ryu
- School of Life Sciences, BK21 FOUR KNU Creative BioResearch Group, Kyungpook National University, Daegu 41566, Republic of Korea; School of Life Sciences, College of Natural Sciences, Kyungpook National University, Daegu 41566, Republic of Korea; Research Institute for Dok-do and Ulleung-do Island, Kyungpook National University, Daegu 41566, Republic of Korea
| | - Kwang Shik Choi
- School of Life Sciences, BK21 FOUR KNU Creative BioResearch Group, Kyungpook National University, Daegu 41566, Republic of Korea; School of Life Sciences, College of Natural Sciences, Kyungpook National University, Daegu 41566, Republic of Korea; Research Institute for Dok-do and Ulleung-do Island, Kyungpook National University, Daegu 41566, Republic of Korea; Research Institute for Phylogenomics and Evolution, Kyungpook National University, Daegu 41566, Republic of Korea.
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Wolie RZ, Koffi AA, Ahoua Alou LP, Sternberg ED, N'Nan-Alla O, Dahounto A, Yapo FHA, Kanh KMH, Camara S, Oumbouke WA, Tia IZ, Nguetta SPA, Thomas MB, NGuessan R. Evaluation of the interaction between insecticide resistance-associated genes and malaria transmission in Anopheles gambiae sensu lato in central Côte d'Ivoire. Parasit Vectors 2021; 14:581. [PMID: 34801086 PMCID: PMC8605510 DOI: 10.1186/s13071-021-05079-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Accepted: 10/22/2021] [Indexed: 11/10/2022] Open
Abstract
Background There is evidence that the knockdown resistance gene (Kdr) L1014F and acetylcholinesterase-1 gene (Ace-1R) G119S mutations involved in pyrethroid and carbamate resistance in Anopheles gambiae influence malaria transmission in sub-Saharan Africa. This is likely due to changes in the behaviour, life history and vector competence and capacity of An. gambiae. In the present study, performed as part of a two-arm cluster randomized controlled trial evaluating the impact of household screening plus a novel insecticide delivery system (In2Care Eave Tubes), we investigated the distribution of insecticide target site mutations and their association with infection status in wild An. gambiae sensu lato (s.l.) populations. Methods Mosquitoes were captured in 40 villages around Bouaké by human landing catch from May 2017 to April 2019. Randomly selected samples of An. gambiae s.l. that were infected or not infected with Plasmodium sp. were identified to species and then genotyped for Kdr L1014F and Ace-1R G119S mutations using quantitative polymerase chain reaction assays. The frequencies of the two alleles were compared between Anopheles coluzzii and Anopheles gambiae and then between infected and uninfected groups for each species. Results The presence of An. gambiae (49%) and An. coluzzii (51%) was confirmed in Bouaké. Individuals of both species infected with Plasmodium parasites were found. Over the study period, the average frequency of the Kdr L1014F and Ace-1R G119S mutations did not vary significantly between study arms. However, the frequencies of the Kdr L1014F and Ace-1R G119S resistance alleles were significantly higher in An. gambiae than in An. coluzzii [odds ratio (95% confidence interval): 59.64 (30.81–131.63) for Kdr, and 2.79 (2.17–3.60) for Ace-1R]. For both species, there were no significant differences in Kdr L1014F or Ace-1R G119S genotypic and allelic frequency distributions between infected and uninfected specimens (P > 0.05). Conclusions Either alone or in combination, Kdr L1014F and Ace-1R G119S showed no significant association with Plasmodium infection in wild An. gambiae and An. coluzzii, demonstrating the similar competence of these species for Plasmodium transmission in Bouaké. Additional factors including behavioural and environmental ones that influence vector competence in natural populations, and those other than allele measurements (metabolic resistance factors) that contribute to resistance, should be considered when establishing the existence of a link between insecticide resistance and vector competence. Graphical Abstract ![]()
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Affiliation(s)
- Rosine Z Wolie
- Unité de Recherche et de Pédagogie de Génétique, Université Félix Houphouët-Boigny, UFR Biosciences, Abidjan, Côte d'Ivoire. .,Vector Control Product Evaluation Centre, Institut Pierre Richet (VCPEC-IPR), Bouaké, Côte d'Ivoire. .,Institut Pierre Richet (IPR), Institut National de Santé Publique (INSP), Bouaké, Côte d'Ivoire.
| | - Alphonsine A Koffi
- Vector Control Product Evaluation Centre, Institut Pierre Richet (VCPEC-IPR), Bouaké, Côte d'Ivoire.,Institut Pierre Richet (IPR), Institut National de Santé Publique (INSP), Bouaké, Côte d'Ivoire
| | - Ludovic P Ahoua Alou
- Vector Control Product Evaluation Centre, Institut Pierre Richet (VCPEC-IPR), Bouaké, Côte d'Ivoire.,Institut Pierre Richet (IPR), Institut National de Santé Publique (INSP), Bouaké, Côte d'Ivoire
| | - Eleanore D Sternberg
- Department of Entomology, Center for Infectious Disease Dynamics, The Pennsylvania State University, University Park, PA, USA.,Department of Vector Biology, Liverpool School of Tropical Medicine, Liverpool, L3 5QA, UK
| | - Oulo N'Nan-Alla
- Unité de Recherche et de Pédagogie de Génétique, Université Félix Houphouët-Boigny, UFR Biosciences, Abidjan, Côte d'Ivoire
| | - Amal Dahounto
- Vector Control Product Evaluation Centre, Institut Pierre Richet (VCPEC-IPR), Bouaké, Côte d'Ivoire
| | - Florent H A Yapo
- Vector Control Product Evaluation Centre, Institut Pierre Richet (VCPEC-IPR), Bouaké, Côte d'Ivoire
| | - Kpahe M H Kanh
- Unité de Recherche et de Pédagogie de Génétique, Université Félix Houphouët-Boigny, UFR Biosciences, Abidjan, Côte d'Ivoire
| | - Soromane Camara
- Vector Control Product Evaluation Centre, Institut Pierre Richet (VCPEC-IPR), Bouaké, Côte d'Ivoire.,Institut Pierre Richet (IPR), Institut National de Santé Publique (INSP), Bouaké, Côte d'Ivoire
| | - Welbeck A Oumbouke
- Vector Control Product Evaluation Centre, Institut Pierre Richet (VCPEC-IPR), Bouaké, Côte d'Ivoire.,Innovative Vector Control Consortium, IVCC, Liverpool, UK
| | - Innocent Z Tia
- Vector Control Product Evaluation Centre, Institut Pierre Richet (VCPEC-IPR), Bouaké, Côte d'Ivoire.,Institut Pierre Richet (IPR), Institut National de Santé Publique (INSP), Bouaké, Côte d'Ivoire.,Université Alassane Ouattara, Bouaké, Côte d'Ivoire
| | - Simon-Pierre A Nguetta
- Unité de Recherche et de Pédagogie de Génétique, Université Félix Houphouët-Boigny, UFR Biosciences, Abidjan, Côte d'Ivoire
| | - Matthew B Thomas
- Department of Entomology, Center for Infectious Disease Dynamics, The Pennsylvania State University, University Park, PA, USA
| | - Raphael NGuessan
- Vector Control Product Evaluation Centre, Institut Pierre Richet (VCPEC-IPR), Bouaké, Côte d'Ivoire.,Institut Pierre Richet (IPR), Institut National de Santé Publique (INSP), Bouaké, Côte d'Ivoire.,Department of Disease Control, London School of Hygiene and Tropical Medicine, London, UK
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Soma DD, Poda SB, Hien AS, Namountougou M, Sangaré I, Sawadogo JME, Fournet F, Ouédraogo GA, Diabaté A, Moiroux N, Dabiré RK. Malaria vectors diversity, insecticide resistance and transmission during the rainy season in peri-urban villages of south-western Burkina Faso. Malar J 2021; 20:63. [PMID: 33494779 PMCID: PMC7831184 DOI: 10.1186/s12936-020-03554-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2020] [Revised: 12/14/2020] [Accepted: 12/16/2020] [Indexed: 11/16/2022] Open
Abstract
Background This study reports an updated description on malaria vector diversity, behaviour, insecticide resistance and malaria transmission in the Diébougou and Dano peri-urban areas, Burkina Faso. Methods Mosquitoes were caught monthly using CDC light traps and pyrethrum spray catches. Mosquitoes were identified using morphological taxonomic keys. PCR techniques were used to identify the species of the Anopheles gambiae complex and insecticide resistance mechanisms in a subset of Anopheles vectors. The Plasmodium sporozoite infection status and origins of blood meals of female mosquitoes were determined by ELISA methods. Larvae were collected, breed in the insectary and tested for phenotypic resistance against four insecticides using WHO bioassays. Results This study contributed to update the entomological data in two peri-urban areas of Southwest Burkina Faso. Anopheles populations were mostly anthropophilic and endophilic in both areas and exhibit high susceptibility to an organophosphate insecticide. This offers an alternative for the control of these pyrethroid-resistant populations. These data might help the National Malaria Control Programme for decision-making about vector control planning and resistance management. Conclusions This study contributed to update the entomological data in two peri-urban areas of Southwest Burkina Faso. Anopheles populations were mostly anthropophilic and endophilic in both areas and exhibit high susceptibility to an organophosphate insecticide. This offers an alternative for the control of these pyrethroid-resistant populations. These data might help the National Malaria Control Programme for decision-making about vector control planning and resistance management.
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Affiliation(s)
- Dieudonné Diloma Soma
- Institut de Recherche en Sciences de la Santé/Centre Muraz, Bobo-Dioulasso, Burkina Faso. .,Université Nazi Boni, Bobo-Dioulasso, Burkina Faso.
| | - Serge Bèwadéyir Poda
- Institut de Recherche en Sciences de la Santé/Centre Muraz, Bobo-Dioulasso, Burkina Faso.,Université Joseph Ki-Zerbo, Ouagadougou, Burkina Faso
| | - Aristide Sawdetuo Hien
- Institut de Recherche en Sciences de la Santé/Centre Muraz, Bobo-Dioulasso, Burkina Faso.,Université Nazi Boni, Bobo-Dioulasso, Burkina Faso
| | - Moussa Namountougou
- Institut de Recherche en Sciences de la Santé/Centre Muraz, Bobo-Dioulasso, Burkina Faso.,Université Nazi Boni, Bobo-Dioulasso, Burkina Faso
| | - Ibrahim Sangaré
- Institut de Recherche en Sciences de la Santé/Centre Muraz, Bobo-Dioulasso, Burkina Faso.,Université Nazi Boni, Bobo-Dioulasso, Burkina Faso
| | | | | | | | - Abdoulaye Diabaté
- Institut de Recherche en Sciences de la Santé/Centre Muraz, Bobo-Dioulasso, Burkina Faso
| | - Nicolas Moiroux
- Institut de Recherche en Sciences de la Santé/Centre Muraz, Bobo-Dioulasso, Burkina Faso.,MIVEGEC, Univ. Montpellier, CNRS, IRD, Montpellier, France
| | - Roch Kounbobr Dabiré
- Institut de Recherche en Sciences de la Santé/Centre Muraz, Bobo-Dioulasso, Burkina Faso.
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Hien AS, Soma DD, Hema O, Bayili B, Namountougou M, Gnankiné O, Baldet T, Diabaté A, Dabiré KR. Evidence that agricultural use of pesticides selects pyrethroid resistance within Anopheles gambiae s.l. populations from cotton growing areas in Burkina Faso, West Africa. PLoS One 2017; 12:e0173098. [PMID: 28253316 PMCID: PMC5333875 DOI: 10.1371/journal.pone.0173098] [Citation(s) in RCA: 50] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2016] [Accepted: 02/15/2017] [Indexed: 11/19/2022] Open
Abstract
Many studies have shown the role of agriculture in the selection and spread of resistance of Anopheles gambiae s.l. to insecticides. However, no study has directly demonstrated the presence of insecticides in breeding sources as a source of selection for this resistance. It is in this context that we investigated the presence of pesticide residues in breeding habitats and their formal involvement in vector resistance to insecticides in areas of West Africa with intensive farming. This study was carried out from June to November 2013 in Dano, southwest Burkina Faso in areas of conventional (CC) and biological cotton (BC) growing. Water and sediment samples collected from breeding sites located near BC and CC fields were submitted for chromatographic analysis to research and titrate the residual insecticide content found there. Larvae were also collected in these breeding sites and used in toxicity tests to compare their mortality to those of the susceptible strain, Anopheles gambiae Kisumu. All tested mosquitoes (living and dead) were analyzed by PCR for species identification and characterization of resistance genes. The toxicity analysis of water from breeding sites showed significantly lower mortality rates in breeding site water from biological cotton (WBC) growing sites compared to that from conventional cotton (WCC) sites respective to both An. gambiae Kisumu (WBC: 80.75% vs WCC: 92.75%) and a wild-type strain (49.75% vs 66.5%). The allele frequencies L1014F, L1014S kdr, and G116S ace -1R mutations conferring resistance, respectively, to pyrethroids and carbamates / organophosphates were 0.95, 0.4 and 0.12. Deltamethrin and lambda-cyhalothrin were identified in the water samples taken in October/November from mosquitoes breeding in the CC growing area. The concentrations obtained were respectively 0.0147ug/L and 1.49 ug/L to deltamethrin and lambdacyhalothrin. Our results provided evidence by direct analysis (biological and chromatographic tests) of the role of agriculture as a source of selection pressure on vectors to insecticides used in growing areas.
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Affiliation(s)
- Aristide Sawdetuo Hien
- IRSS/DRO, Malaria and Tropical Neglected Research Unit, Bobo-Dioulasso, Burkina Faso
- * E-mail: (ASH); (KRD)
| | - Dieudonné Diloma Soma
- IRSS/DRO, Malaria and Tropical Neglected Research Unit, Bobo-Dioulasso, Burkina Faso
| | - Omer Hema
- Programme Coton/INERA/ Farako-Ba, Bobo-Dioulasso, Burkina Faso
| | - Bazoma Bayili
- IRSS/DRO, Malaria and Tropical Neglected Research Unit, Bobo-Dioulasso, Burkina Faso
| | - Moussa Namountougou
- Institute of Rural Development, Université Polytechnique de Bobo-Dioulasso, Burkina Faso
| | - Olivier Gnankiné
- UFR/Life Science, Université Joseph Ki-Zerbo, Ouagadougou, Burkina Faso
| | | | - Abdoulaye Diabaté
- IRSS/DRO, Malaria and Tropical Neglected Research Unit, Bobo-Dioulasso, Burkina Faso
| | - Kounbobr Roch Dabiré
- IRSS/DRO, Malaria and Tropical Neglected Research Unit, Bobo-Dioulasso, Burkina Faso
- * E-mail: (ASH); (KRD)
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Baffour-Awuah S, Annan AA, Maiga-Ascofare O, Dieudonné SD, Adjei-Kusi P, Owusu-Dabo E, Obiri-Danso K. Insecticide resistance in malaria vectors in Kumasi, Ghana. Parasit Vectors 2016; 9:633. [PMID: 27927238 PMCID: PMC5142350 DOI: 10.1186/s13071-016-1923-5] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2016] [Accepted: 12/01/2016] [Indexed: 12/04/2022] Open
Abstract
BACKGROUND There have been recent reports of surge in resistance to insecticides in pocketed areas in Ghana necessitating the need for information about local vector populations and their resistance to the insecticides approved by the World Health Organization (WHO). We therefore studied a population of malaria vectors from Kumasi in the Ashanti Region of Ghana and their resistance to currently used insecticides. We conducted susceptibility tests to the four major classes of insecticides by collecting larvae of anopheline mosquitoes from several communities in the region. Surviving adults from these larvae were then subjected to the WHO-approved susceptibility tests and characterization of knockdown resistance and acetylcholinesterase mutant genes. RESULTS Out of 619 Anopheles specimens sampled, 537 (87%) were identified as Anopheles gambiae (sensu stricto), which was also the species with the lowest knockdown resistance mutant gene, 61% (P = 0.017). Knockdown resistance mutant gene was as high as 91% in An. coluzzii. Mosquitoes collected showed susceptibility ranging from 98-100% to organophosphates, 38-56% to carbamates and 15-47% and 38-46% to pyrethroids and organochlorides, respectively. The knockdown resistance mutation frequency of Anopheles gambiae (sensu lato) mosquitoes that were exposed to both pyrethroids and organochlorides was 404 (65%). Acetylcholinesterase mutant gene was not found in this population of vectors. CONCLUSION Our study shows that pyrethroids have the highest level of resistance in the population of mosquito vectors studied probably due to their frequent use, especially in impregnation of insecticide-treated nets and in insecticides used to control pests on irrigated vegetable farms. We recommend studies to monitor trends in the use of all insecticides and of pyrethroids in particular.
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Affiliation(s)
- Sandra Baffour-Awuah
- Kumasi Centre for Collaborative Research (KCCR), College of Health Sciences, Kumasi, Ghana
- Department of Theoretical and Applied Biology, College of Science, Kwame Nkrumah University of Science and Technology (KNUST), Kumasi, Ghana
| | - Augustina A. Annan
- Kumasi Centre for Collaborative Research (KCCR), College of Health Sciences, Kumasi, Ghana
- Department of Theoretical and Applied Biology, College of Science, Kwame Nkrumah University of Science and Technology (KNUST), Kumasi, Ghana
| | - Oumou Maiga-Ascofare
- Kumasi Centre for Collaborative Research (KCCR), College of Health Sciences, Kumasi, Ghana
- Bernhard-Nocht Institute for Tropical Medicine (BNITM), Hamburg, Germany
| | | | - Priscilla Adjei-Kusi
- Kumasi Centre for Collaborative Research (KCCR), College of Health Sciences, Kumasi, Ghana
| | - Ellis Owusu-Dabo
- Kumasi Centre for Collaborative Research (KCCR), College of Health Sciences, Kumasi, Ghana
- School of Public Health, College of Health Sciences, KNUST, Kumasi, Ghana
| | - Kwasi Obiri-Danso
- Department of Theoretical and Applied Biology, College of Science, Kwame Nkrumah University of Science and Technology (KNUST), Kumasi, Ghana
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