Sublethal Effects of Ethanol Extract of Ocimum sanctum on Laboratory Bred Population of Dengue Mosquito Aedes aegypti L. (Diptera: Culicidae)

Shazad, Mohd; Gupta, Kamal Kumar; Kayesth, Sunil; Kumar, Shailendra

doi:10.4172/2473-4810.1000128

Cited by 4 publications

(3 citation statements)

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“…Earlier reports have shown similar trends in growth patterns in response to many plant extracts. For instance, Shazad et al (2018) reported that the ethanol extract of Ocimum sanctum prolonged the larval duration of Ae. aegypti fourth instar larva.…”

Section: Discussionmentioning

confidence: 99%

“…A stock culture of Ae. aegypti was procured from 'International Center for Genetic Engineering and Biotechnology (ICGEB)', New Delhi, India, and maintained in an insectary under optimum conditions of temperature 28±1°C, relative humidity 80±5%, and photoperiod 14L:10D, to obtain insects of sustained quality throughout the research work (Shazad et al, 2018). Each larval stage was reared in enamel coated bowl or tray containing dechlorinated water according to the protocol laid by WHO (WHO, 2005).…”

Section: Rearing and Maintenance Of Aedes Aegypti Culturementioning

confidence: 99%

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Larvicidal and Growth Inhibitory Activities of Ageratum houstonianum (Mill, 1768) Against the Dengue Vector Aedes aegypti (Linnaeus, 1762)

SHAH

Gupta²

2022

jers

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In the present work, Ageratum houstonianum leaf acetone extract was tested for the larvicidal and growth inhibitory activity against the third instar larvae of the Dengue vector, Aedes aegypti. The extract showed larvicidal activity with LC50 and LC90 values of 204.79 and 277.57 mg/L, respectively. The larval mortality was increased during subsequent days of treatment. The extract adversely affected larval development, causing a significant reduction in both the formation of fourth instar larvae and pupae. Also, the extract increased the larval duration of Ae. aegypti third instar larvae indicating growth inhibitory activities of the extract. The results showed dose-dependent effects of the A. houstonianum leaf acetone extract; treatment at higher concentrations inhibited the growth and reduced the viability. This resulted in a decrease in the larval growth index. GC-MS analysis revealed the presence of precocene I and precocene II along with many other components which affect the survival and growth of the insects adversely. This explores the potential of A. houstonianum in the management of Ae. aegypti.

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Section: Discussionmentioning

confidence: 99%

Section: Rearing and Maintenance Of Aedes Aegypti Culturementioning

confidence: 99%

Larvicidal and Growth Inhibitory Activities of Ageratum houstonianum (Mill, 1768) Against the Dengue Vector Aedes aegypti (Linnaeus, 1762)

SHAH

Gupta²

2022

jers

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“…Several other studies revealed the ability of medicinal plants to act as mosquito repellents and larvicides. Ocimum sanctum, commonly known as the holy basil, contains phytochemicals such as eugenol, caryophyllene, alpha-farnesene, and farnesyl acetone that are effective against dengue vector mosquitoes [37]. Eugenol belongs to the class of allylbenzene and contains an allyl chain substituted with guaiacol, while caryophyllene is a natural bicyclic sesquiterpene that is a constituent of many essential oils.…”

Section: Mosquito Repellent and Larvicidal Activity Of Medicinal Plantsmentioning

confidence: 99%

Potential of medicinal plants to treat dengue

2019

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Dengue is a major public health challenge worldwide, particularly in tropical areas. Nearly 390 million infections and 22,000 deaths occur every year. At present, there are no specific therapeutics available to treat dengue; however, possible treatment procedures are explained in the traditional medical systems (TMSs), such as Sri Lankan TMS, Indian Ayurvedic, Unani, and Siddha TMS. In these TMSs, medicinal plants have been used in several ways against dengue, such as virocides, larvicides, and mosquito repellents. Therefore, medicinal plants inherit biologically active compounds/lead compounds that are yet to be identified chemically and physiologically. Herein, we discuss the possible applications of crude plant extracts and isolated phytochemicals from medicinal plants such as quercetin, sulfated galactomannans, flavonoids, and glabranine in controlling dengue. Moreover, medicinal plant-based therapeutics can be safer, cost-effective, and non-toxic. Therefore, this paper reviews the medicinal plants that are used in TMSs to manage dengue, the phytochemicals they contain, and mode of action of these phytochemicals such as virocides, larvicides, and mosquito repellents.

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A strategy to decrease vectorial competence of dengue mosquito Aedes aegypti by alteration of its gut microbiota using Indian traditional medicinal plants

Gupta

Prejneshu

Aggarwal

et al. 2021

Int J Trop Insect Sci

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Sublethal Effects of Ethanol Extract of Ocimum sanctum on Laboratory Bred Population of Dengue Mosquito Aedes aegypti L. (Diptera: Culicidae)

Cited by 4 publications

References 0 publications

Larvicidal and Growth Inhibitory Activities of Ageratum houstonianum (Mill, 1768) Against the Dengue Vector Aedes aegypti (Linnaeus, 1762)

Larvicidal and Growth Inhibitory Activities of Ageratum houstonianum (Mill, 1768) Against the Dengue Vector Aedes aegypti (Linnaeus, 1762)

Potential of medicinal plants to treat dengue

A strategy to decrease vectorial competence of dengue mosquito Aedes aegypti by alteration of its gut microbiota using Indian traditional medicinal plants

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