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A preliminary analysis on the effect of copper on Anopheles coluzzii insecticide resistance in vegetable farms in Benin

The use of agrochemicals in vegetable production could influence the selection for insecticide resistance in malaria vectors. Unfortunately, there is a dearth of information on the potential contribution of agrochemicals to insecticide resistance in Anopheles mosquitoes breeding on vegetable farms i...

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Autores principales: Talom, Armand Defo, Essoung, Michele Agnes, Gbankoto, Adam, Tchigossou, Genevieve, Akoton, Romaric, Sahabi, Bio Bangana A., Atoyebi, Seun Michael, Fotso Kuate, Apollin, Verspoor, Rudi L., Tamò, Manuele, Tchuinkam, Timoleon, Lehman, Gustave Leopold, Lines, Jo, Wondji, Charles S., Djouaka, Rousseau
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group UK 2020
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7156479/
https://www.ncbi.nlm.nih.gov/pubmed/32286370
http://dx.doi.org/10.1038/s41598-020-63086-5
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author Talom, Armand Defo
Essoung, Michele Agnes
Gbankoto, Adam
Tchigossou, Genevieve
Akoton, Romaric
Sahabi, Bio Bangana A.
Atoyebi, Seun Michael
Fotso Kuate, Apollin
Verspoor, Rudi L.
Tamò, Manuele
Tchuinkam, Timoleon
Lehman, Gustave Leopold
Lines, Jo
Wondji, Charles S.
Djouaka, Rousseau
author_facet Talom, Armand Defo
Essoung, Michele Agnes
Gbankoto, Adam
Tchigossou, Genevieve
Akoton, Romaric
Sahabi, Bio Bangana A.
Atoyebi, Seun Michael
Fotso Kuate, Apollin
Verspoor, Rudi L.
Tamò, Manuele
Tchuinkam, Timoleon
Lehman, Gustave Leopold
Lines, Jo
Wondji, Charles S.
Djouaka, Rousseau
author_sort Talom, Armand Defo
collection PubMed
description The use of agrochemicals in vegetable production could influence the selection for insecticide resistance in malaria vectors. Unfortunately, there is a dearth of information on the potential contribution of agrochemicals to insecticide resistance in Anopheles mosquitoes breeding on vegetable farms in southern Benin. A Knowledge, Attitudes and Practices study was conducted with 75 vegetable farmers from Houeyiho and Seme to determine the main agrochemicals used in vegetable production, and the concentration and frequency of application, among other details. Mosquitoes and breeding water were sampled from the farms for analysis. Bioassays were conducted on mosquitoes, while breeding water was screened for heavy metal and pesticide residue contamination. Lambda-cyhalothrin was the main insecticide (97.5%) used by farmers, and Anopheles coluzzii was the main mosquito identified. This mosquito species was resistant (30–63% mortality rate) to λ-cyhalothrin. It was also observed that 16.7% of the examined breeding sites were contaminated with λ-cyhalothrin residues. Furthermore, copper contamination detected in mosquito breeding sites showed a positive correlation (r = 0.81; P = 0.0017) with mosquito resistance to λ-cyhalothrin. The presence of copper in λ-cyhalothrin-free breeding sites, where mosquitoes have developed resistance to λ-cyhalothrin, suggests the involvement of copper in the insecticide resistance of malaria vectors; this, however, needs further investigation.
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spelling pubmed-71564792020-04-19 A preliminary analysis on the effect of copper on Anopheles coluzzii insecticide resistance in vegetable farms in Benin Talom, Armand Defo Essoung, Michele Agnes Gbankoto, Adam Tchigossou, Genevieve Akoton, Romaric Sahabi, Bio Bangana A. Atoyebi, Seun Michael Fotso Kuate, Apollin Verspoor, Rudi L. Tamò, Manuele Tchuinkam, Timoleon Lehman, Gustave Leopold Lines, Jo Wondji, Charles S. Djouaka, Rousseau Sci Rep Article The use of agrochemicals in vegetable production could influence the selection for insecticide resistance in malaria vectors. Unfortunately, there is a dearth of information on the potential contribution of agrochemicals to insecticide resistance in Anopheles mosquitoes breeding on vegetable farms in southern Benin. A Knowledge, Attitudes and Practices study was conducted with 75 vegetable farmers from Houeyiho and Seme to determine the main agrochemicals used in vegetable production, and the concentration and frequency of application, among other details. Mosquitoes and breeding water were sampled from the farms for analysis. Bioassays were conducted on mosquitoes, while breeding water was screened for heavy metal and pesticide residue contamination. Lambda-cyhalothrin was the main insecticide (97.5%) used by farmers, and Anopheles coluzzii was the main mosquito identified. This mosquito species was resistant (30–63% mortality rate) to λ-cyhalothrin. It was also observed that 16.7% of the examined breeding sites were contaminated with λ-cyhalothrin residues. Furthermore, copper contamination detected in mosquito breeding sites showed a positive correlation (r = 0.81; P = 0.0017) with mosquito resistance to λ-cyhalothrin. The presence of copper in λ-cyhalothrin-free breeding sites, where mosquitoes have developed resistance to λ-cyhalothrin, suggests the involvement of copper in the insecticide resistance of malaria vectors; this, however, needs further investigation. Nature Publishing Group UK 2020-04-14 /pmc/articles/PMC7156479/ /pubmed/32286370 http://dx.doi.org/10.1038/s41598-020-63086-5 Text en © The Author(s) 2020 Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.
spellingShingle Article
Talom, Armand Defo
Essoung, Michele Agnes
Gbankoto, Adam
Tchigossou, Genevieve
Akoton, Romaric
Sahabi, Bio Bangana A.
Atoyebi, Seun Michael
Fotso Kuate, Apollin
Verspoor, Rudi L.
Tamò, Manuele
Tchuinkam, Timoleon
Lehman, Gustave Leopold
Lines, Jo
Wondji, Charles S.
Djouaka, Rousseau
A preliminary analysis on the effect of copper on Anopheles coluzzii insecticide resistance in vegetable farms in Benin
title A preliminary analysis on the effect of copper on Anopheles coluzzii insecticide resistance in vegetable farms in Benin
title_full A preliminary analysis on the effect of copper on Anopheles coluzzii insecticide resistance in vegetable farms in Benin
title_fullStr A preliminary analysis on the effect of copper on Anopheles coluzzii insecticide resistance in vegetable farms in Benin
title_full_unstemmed A preliminary analysis on the effect of copper on Anopheles coluzzii insecticide resistance in vegetable farms in Benin
title_short A preliminary analysis on the effect of copper on Anopheles coluzzii insecticide resistance in vegetable farms in Benin
title_sort preliminary analysis on the effect of copper on anopheles coluzzii insecticide resistance in vegetable farms in benin
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7156479/
https://www.ncbi.nlm.nih.gov/pubmed/32286370
http://dx.doi.org/10.1038/s41598-020-63086-5
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