Effects of the insecticide chlorpyrifos, on hatching, mortality and morphology of Duttaphrynus melanostictus embryos

Kharkongor, Mattilang; Hooroo, R. N. K.; Dey, Sudip

doi:10.1016/j.chemosphere.2018.07.097

Cited by 7 publications

(3 citation statements)

References 25 publications

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“…In this sense, vector control of mosquitoes has become a pivotal portion of the global strategy to manage mosquito-associated diseases, especially malaria, Japanese encephalitis, West Nile encephalitis, and dengue fever. In this effort, insecticides, such as chlorpyriphos (O, O-diethyl O- (3,5,6-trichloropyridin-2-yl) phosphorothioate) and pyrethroids, are the most important tool. Chlorpyriphos is a broad-spectrum organophosphate insecticide widely used as a pesticide to control a variety of insects [4].…”

Section: Introductionmentioning

confidence: 99%

“…Chlorpyriphos is a broad-spectrum organophosphate insecticide widely used as a pesticide to control a variety of insects [ 4 ]. Pyrethroids, which are analogous to naturally occurring pyrethrins, are a class of insecticides commonly used for indoor spraying against mosquitoes due to their insecticidal potency and environmental stability as well as safety [ 5 , 6 ]. Although massive usage of insecticides was highly effective in controlling insect-borne diseases in the past decades, the widespread development of resistance in insects, especially mosquitoes, is now causing serious issues in many regions [ 7 – 9 ].…”

Section: Introductionmentioning

confidence: 99%

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Monitoring Insecticide Resistance and Target Site Mutations of L1014 Kdr And G119 Ace Alleles in Five Mosquito Populations in Korea

et al. 2020

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Mosquitoes are globally distributed and important vectors for the transmission of many human diseases. Mosquito control is a difficult task and the cost of preventing mosquito-borne diseases is much lower than that for curing the associated diseases. Thus, chemical control remains the most effective tool for mosquito. Due to the long-term intensive use of insecticides to control mosquito vectors, resistance to most chemical insecticides has been reported. This study aimed to investigate the relationship between insecticide resistance and target site mutation of L1014 kdr and G119 ace alleles in 5 species/species group of mosquitoes (Aedes vexans, Ae. albopictus, Anopheles spp., Culex pipiens complex, and Cx. tritaeniorhynchus) obtained from 6 collection sites. For Anopheles spp., the proportion of mosquitoes with mutated alleles in L1014 was 88.4%, homozygous resistant genotypes were observed in 46.7%, and heterozygous resistant genotypes were observed in 41.8%. For the Cx. pipiens complex and Cx. tritaeniorhynchus species, homozygous resistant genotypes were found in 25.9% and 9.8%, respectively. However, target site mutation of L1014 in the Ae. vexans nipponii and Ae. albopictus species was not observed. Anopheles spp., Cx. pipiens complex, and Cx. tritaeniorhynchus mosquitoes were resistant to deltamethrin and chlorpyriphos, whereas Ae. vexans nipponii and Ae. albopictus were clearly susceptible. We also found a correlation between the resistance phenotype and the presence of the L1014 kdr and G119 ace mutations only in the Anopheles spp. population. In this study, we suggest that insecticide resistance poses a growing threat and resistance management must be integrated into all mosquito control programs.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Monitoring Insecticide Resistance and Target Site Mutations of L1014 Kdr And G119 Ace Alleles in Five Mosquito Populations in Korea

et al. 2020

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“…Although pesticides play a significant role in increasing crop production, high levels of residual pesticides can result in adverse effects on the food safety and human health 17 . In recent years, with the increasing concern on the health risks caused by pesticide residues, for the toxicity of chlorpyrifos has already had a relevant research [18][19][20][21] , the safety of tea is receiving greater attention by both consumers and industry players. To ensure consumers' health and safety, many countries and international organizations have established maximum residue levels (MRLs) for chlorpyrifos in tea.…”

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confidence: 99%

Development of a new and facile method for determination of chlorpyrifos residues in green tea by dispersive liquid–liquid microextraction

Tian

Feng

Yang

et al. 2022

Sci Rep

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In this work a simple, rapid, and environmentally friendly method has been established for the determination of chlorpyrifos residue in green tea by dispersive liquid–liquid microextraction and gas chromatography-flame photometric detection. Some experimental parameters that influence extraction efficiency, such as the kind and volume of disperser solvents and extraction solvents, extraction time, addition of salt and pH, were investigated. And the optimal experimental conditions were obtained, quantitative analysis was carried out using external standard method. The correlation coefficient of the calibration curves was 0.999 with in 0.05 mg/kg to 5 mg/kg. The results showed that under the optimum conditions, the enrichment factors of the chlorpyrifos was about 554.51, the recoveries for standard addition fell in the range from 91.94 to 104.70% and the relative standard deviations was 4.61%. The limit of quantification of chlorpyrifos in green tea was 0.02 μg/mL at the signal/noise ratio of 3.

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Overview of Organophosphate Compounds

Ranjan

Jindal

2021

Toxicology of Organophosphate Poisoning

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Effects of the insecticide chlorpyrifos, on hatching, mortality and morphology of Duttaphrynus melanostictus embryos

Cited by 7 publications

References 25 publications

Monitoring Insecticide Resistance and Target Site Mutations of L1014 Kdr And G119 Ace Alleles in Five Mosquito Populations in Korea

Monitoring Insecticide Resistance and Target Site Mutations of L1014 Kdr And G119 Ace Alleles in Five Mosquito Populations in Korea

Development of a new and facile method for determination of chlorpyrifos residues in green tea by dispersive liquid–liquid microextraction

Overview of Organophosphate Compounds

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