Determinação do potencial larvófago de Poecilia reticulata em condições domésticas de controle biológico

Pereira, Boscolli Barbosa; Oliveira, Eidis Antônio de

doi:10.1590/1414-462x201400030004

Cited by 8 publications

(6 citation statements)

References 6 publications

(4 reference statements)

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“…Additionally, the C. ternatea plant extracts did not possess any toxic effects on fish. According to Pereira and Oliveira [35], Poecilia reticulata has important potential effects to predate Aedes aegypti larvae and this will help to eliminate the breeding ground of larvae. us, without the toxic effects of C. ternatea extracts on Poecilia reticulate, we could integrate both applications using C. ternatea and fish to control Aedes larvae.…”

Section: Discussionmentioning

confidence: 99%

Chemical Composition and Larvicidal Activity of Flower Extracts from Clitoria ternatea against Aedes (Diptera: Culicidae)

Ravindran

Bharathithasan

Ramaiah

et al. 2020

Journal of Chemistry

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Mosquitoes have always been a human health threat; the major global health problems caused by them are malaria, dengue fever, yellow fever, and Zika as well as several other vector-borne outbreaks. The major problems in controlling these vectors borne diseases are related to resistance to eradication measures. Different classes of insecticides used for controlling public health have raised the concern of resistant problems with mosquitoes and environmental pollution caused by the control measures. Thus, a search for alternative natural compounds is necessary for solving the insecticidal resistance problem using pesticides in the larval stage of vector development as well as creating a chemical-free environment for a healthy society. Hence, the major focus of this study is to identify the larvicidal mechanisms, metabolite, antioxidants, and chemical compounds and elucidate their structures from C. ternatea flower and to test their efficacies against early 4th instar larvae of Aedes aegypti and Aedes albopictus. Clitoria ternatea flowers were collected from the garden of the Faculty of Medicine in International Quest University, Ipoh, Perak, and thence used for crude extraction. Further on, the metabolite test, antioxidant test, and chromatography techniques were conducted to identify the chemical composition of extracts and their chemical structures were identified using GCMS-QP2010 Ultra (Shimadzu). Next, the extracts were evaluated against the early 4th instar larvae of Aedes mosquito vectors following the WHO procedures for larval bioassays. The larvicidal activity of Clitoria ternatea flower extracts evidently affected the early 4th instar larvae of Aedes mosquito vectors. The highest larvicidal activity was observed against the early 4th instar larvae of Aedes aegypti with the LC50 and LC95 values of 1056 and 2491 mg/L, respectively. Meanwhile, the larvae bioassay test for Aedes albopictus recorded the LC50 and LC95 values of 1425 and 2753 mg/L. Moreover, the results for nontarget organism test on guppy fish, Poecilia reticulata, showed no mortalities with flower extracts at 2500 mg/L, hence posing no toxic effects on fish. In this study, we have found a total of 16 chemical compounds and 6 chemical compounds have been reported to possess direct insecticidal, larvicidal, and pupicidal effects. Six chemicals with insecticidal properties were found to be glycerin, 2-hydroxy-gamma-butyrolactone, neophytadiene, n-hexadecanoic acid, cis-vaccenic acid, and octadecanoic acid with a total of 28.7% efficacy. Clitoria ternatea flower extracts also showed different types of phenols such as anthocyanins, flavonoids, and tannins. Our findings showed that the crude extract of Clitoria ternatea flower bioactive molecules is effective and may be developed as biolarvicide for Aedes mosquito vector control. Furthermore, this study also provided a baseline understanding for future research work in the field of applications of Clitoria ternatea flower extracts for their long-term effects on human health such as a food additive, antioxidant, and cosmetic.

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Section: Discussionmentioning

confidence: 99%

Chemical Composition and Larvicidal Activity of Flower Extracts from Clitoria ternatea against Aedes (Diptera: Culicidae)

Ravindran

Bharathithasan

Ramaiah

et al. 2020

Journal of Chemistry

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“…Poecilia reticulata) (Peter, 1859) have been suggested in several countries and regions for mosquito control, mainly for Ae. aegypti (Hoy, 1985;Das and Prasad, 1991;Cavalcanti et al, 2007;Walton, 2007;Chandra et al, 2008;Seng et al, 2008;Dumont and Chiroleu, 2010;Kweka et al, 2011;Kamareddine, 2012;Shulse et al, 2013;Pereira and Oliveira, 2014;Chobu et al, 2015;. More natural mosquito predators, including copepods [e.g.…”

Section: Control and Prophylaxismentioning

confidence: 99%

A scoping review of Chikungunya virus infection: epidemiology, clinical characteristics, viral co-circulation complications, and control

et al. 2018

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Chikungunya fever is a mosquito-borne viral illness characterized by a sudden onset of fever associated with joint pains. It was first described in the 1950s during a Chikungunya virus (CHIKV) outbreak in southern Tanzania and has since (re-) emerged and spread to several other geographical areas, reaching large populations and causing massive epidemics. In recent years, CHIKV has gained considerable attention due to its quick spread to the Caribbean and then in the Americas, with many cases reported between 2014 and 2017. CHIKV has further garnered attention due to the clinical diagnostic difficulties when Zika (ZIKV) and dengue (DENV) viruses are simultaneously present. In this review, topical CHIKV-related issues, such as epidemiology and transmission, are examined. The different manifestations of infection (acute, chronic and atypical) are described and a particular focus is placed upon the diagnostic handling in the case of ZIKV and DENV co-circulating. Natural and synthetic compounds under evaluation for treatment of chikungunya disease, including drugs already licensed for other purposes, are also discussed. Finally, previous and current vaccine strategies, as well as the control of the CHIKV transmission through an integrated vector management, are reviewed in some detail.

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“…Esses municípios não fazem parte da região de saúde de maior incidência, fi cando evidente, mais uma vez, que os fatores que infl uenciam na proliferação de A. aegypti são locais, envolvendo fatores determinantes de ordem social, ambiental e cultural, como demonstrou estudos de (ARAÚJO et al, 2017). Um dos métodos que podem ser utilizados para o controle da proliferação de A. aegypti é o controle biológico, que utiliza predadores com potencial para diminuir a população vetorial, como a utilização de peixes, que se alimentam de larvas e pupas (PEREIRA;OLIVEIRA, 2017).…”

Section: Discussionunclassified

Regionais De Saúde E Os Casos De Dengue No Mato Grosso: A Chuva Como Principal Fator Para a Proliferação Do Aedes Aegypti

2022

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Esta pesquisa caracterizou espacialmente e temporalmente (2001 a 2019) a dinâmica da dengue no estado de Mato Grosso. Estudo epidemiológico e descritivo da taxa de incidência e da mortalidade por dengue, procurando correlacionar com pluviosidade, Índice de Desenvolvimento Humano (IDH), Densidade Demográfica e o Índice de Sustentabilidade de Limpeza Urbana (ISLU). A incidência de dengue não apresentou relação significativa com o (ISLU) em 66 municípios do estado de Mato Grosso (R²=0,0017; p=0,75). Isso também ocorreu com a densidade demográfi ca (R²= 0,0025; p=0,56), porém apresentou relação com a pluviosidade (R²=0,0019; p<0,05). O mês de janeiro apresentou maior incidência (83,27/100 mil habitantes). As Regiões de Saúde de Mato Grosso apresentaram maiores taxas na região Garças Araguaia (852,29 por 100 mil habitantes). A dengue revelou picos epidêmicos com altas taxas de incidência em Mato Grosso, não apresentando relação com a IDH, ISLU e Densidade Demográfica, porém apresentou relação signifi cativa com a pluviosidade.

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Determinação do potencial larvófago de Poecilia reticulata em condições domésticas de controle biológico

Cited by 8 publications

References 6 publications

Chemical Composition and Larvicidal Activity of Flower Extracts from Clitoria ternatea against Aedes (Diptera: Culicidae)

Chemical Composition and Larvicidal Activity of Flower Extracts from Clitoria ternatea against Aedes (Diptera: Culicidae)

A scoping review of Chikungunya virus infection: epidemiology, clinical characteristics, viral co-circulation complications, and control

Regionais De Saúde E Os Casos De Dengue No Mato Grosso: A Chuva Como Principal Fator Para a Proliferação Do Aedes Aegypti

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