Essential oils as molluscicidal agents against schistosomiasis transmitting snails - a review

Pereira, Luciana Patrícia Lima Alves; Ribeiro, Edilene Carvalho Gomes; Brito, Maria Cristiane Aranha; Silveira, Daniella Patrícia Brandão; Araruna, Fernanda Oliveira Sousa; Leite, José Antônio Costa; Dias, Andressa Almeida Santana; Firmo, Wellyson da Cunha Araújo; Borges, Marilene Oliveira da Rocha; Borges, Antônio Carlos Romão; Coutinho, Denise Fernandes

doi:10.1016/j.actatropica.2020.105489

Cited by 26 publications

(18 citation statements)

References 71 publications

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“…and Bulinus spp.) [64] . Most of the essential oils in the review were monoterpenoid‐rich essential oils, however.…”

Section: Resultsmentioning

confidence: 99%

“…Pest control has historically relied on synthetic insecticide use, but there are increasing concerns regarding environmental contamination, detrimental effects to non‐target organisms, and impacts on human health [61] . Problems associated with synthetic pesticide use has raised awareness to the potential of plant‐based pesticidal agents in general [62] and essential oils in particular for control of disease vectors [63,64] . In this work we have examined the essential oils of Lantana camara collected from several locations in north‐central Vietnam, their chemical compositions, and their potential as control agents for Ae.…”

Section: Introductionmentioning

confidence: 99%

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Lantana camara Essential Oils from Vietnam: Chemical Composition, Molluscicidal, and Mosquito Larvicidal Activity

Hùng

Đài

Satyal

et al. 2021

Chemistry & Biodiversity

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Lantana camara is a troublesome invasive plant introduced to many tropical regions, including Southeast Asia. However, the plant does hold promise as a source of essential oils that may be explored for potential use. Fresh water snails such as Pomacea canaliculata, Gyraulus convexiusculus, and Tarebia granifera can be problematic agricultural pests as well as hosts for parasitic worms. Aedes and Culex mosquitoes are notorious vectors of numerous viral pathogens. Control of these vectors is of utmost importance. In this work, the essential oil compositions, molluscicidal, and mosquito larvicidal activities of four collections of L. camara from north‐central Vietnam have been investigated. The sesquiterpene‐rich L. camara essential oils showed wide variation in their compositions, not only compared to essential oils from other geographical locations (at least six possible chemotypes), but also between the four samples from Vietnam. L. camara essential oils showed molluscicidal activities comparable to the positive control, tea saponin, as well as other botanical agents. The median lethal concentrations (LC50) against the snails were 23.6–40.2 μg/mL (P. canaliculata), 7.9–29.6 μg/mL (G. convexiusculus), and 15.0–29.6 μg/mL (T. granifera). The essential oils showed good mosquito larvicidal activities with 24‐h LC50 values of 15.1–29.0 μg/mL, 26.4–53.8 μg/mL, and 20.8–59.3 μg/mL against Ae. aegypti, Ae. albopictus, and Cx. quinquefasciatus, respectively. The essential oils were more toxic to snails and mosquito larvae than they were to the non‐target water bug, Diplonychus rusticus (24‐h LC50=103.7–162.5 μg/mL). Sesquiterpene components of the essential oils may be acting as acetylcholinesterase (AChE) inhibitors. These results suggest that the invasive plant, L. camara, may be a renewable botanical pesticidal agent.

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“…and Bulinus spp.) [64] . Most of the essential oils in the review were monoterpenoid‐rich essential oils, however.…”

Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Lantana camara Essential Oils from Vietnam: Chemical Composition, Molluscicidal, and Mosquito Larvicidal Activity

Hùng

Đài

Satyal

et al. 2021

Chemistry & Biodiversity

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“…This list of plant-derived extracts with a potential molluscicidal activity is far from being exhaustive. Moreover, a recent review updates the different essential oils used for their toxic effect against schistosomiasis transmitting snails [ 55 ]. The most studied plants are those belonging to families Lamiacae, Rutaceae and Myrtaceae.…”

Section: Discussionmentioning

confidence: 99%

“…The most studied plants are those belonging to families Lamiacae, Rutaceae and Myrtaceae. The major chemical components determined by chromatography analyses are the terpenic derivatives for which their concentration in oils depend strongly on the nature of organic solvent and the different parts of plants used [ 55 , 56 ]. To our knowledge, the present study is the first to report the molluscicidal and parasiticidal activities of an essential oil extracted from an Apiaciae, Eryngium triquetrum .…”

Section: Discussionmentioning

confidence: 99%

Molluscicidal and parasiticidal activities of Eryngium triquetrum essential oil on Schistosoma mansoni and its intermediate snail host Biomphalaria glabrata, a double impact

et al. 2020

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Background Freshwater snails are the intermediate hosts of a large variety of trematode flukes such as Schistosoma mansoni responsible for one of the most important parasitic diseases caused by helminths, affecting 67 million people worldwide. Recently, the WHO Global Vector Control Response 2017–2030 (GVCR) programme reinforced its message for safer molluscicides as part of required strategies to strengthen vector control worldwide. Here, we present the essential oil from Eryngium triquetrum as a powerful product with molluscicide and parasiticide effect against S. mansoni and the snail intermediate host Biomphalaria glabrata. Methods In the present study, we describe using several experimental approaches, the chemical composition of E. triquetrum essential oil extract and its biological effects against the snail B. glabrata and its parasite S. mansoni. Vector and the free-swimming larval stages of the parasite were exposed to different oil concentrations to determine the lethal concentration required to produce a mortality of 50% (LC50) and 90% (LC90). In addition, toxic activity of this essential oil was analyzed against embryos of B. glabrata snails by monitoring egg hatching and snail development. Also, short-time exposure to sublethal molluscicide concentrations on S. mansoni miracidia was performed to test a potential effect on parasite infectivity on snails. Mortality of miracidia and cercariae of S. mansoni is complete for 5, 1 and 0.5 ppm of oil extract after 1 and 4 h exposure. Results The major chemical component found in E. triquetrum oil determined by GC-FID and GC/MS analyses is an aliphatic polyacetylene molecule, the falcarinol with 86.9–93.1% of the total composition. The LC50 and LC90 values for uninfected snails were 0.61 and 1.02 ppm respectively for 24 h exposure. At 0.5 ppm, the essential oil was two times more toxic to parasitized snails with a mortality rate of 88.8 ± 4.8%. Moderate embryonic lethal effects were observed at the concentration of 1 ppm. Severe surface damage in miracidia was observed with a general loss of cilia that probably cause their immobility. Miracidia exposed 30 min to low concentration of plant extract (0.1 ppm) were less infective with 3.3% of prevalence compare to untreated with a prevalence of 44%. Conclusions Essential oil extracted from E. triquetrum and falcarinol must be considered as a promising product for the development of new interventions for schistosomiasis control and could proceed to be tested on Phase II according to the WHO requirements.

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“…Recently, studies were reported showing that plant-derived molluscicides have obviously molluscicidal activity in the laboratory (Jia et al, 2019;Ke et al, 2019). It should be highlighted that the compounds present in the composition of plant-derived molluscicides are complex and some of them have high toxicity to nontarget organisms, so evaluation and demonstration of the ecotoxicity information will be needed before using in the field (Pereira et al, 2020).…”

Section: Introductionmentioning

confidence: 99%

Sequencing of Transcriptome and Small RNA Revealed the Xenobiotic Metabolism-Related Genes and Potential Regulatory miRNA in Asian Tramp Snail

et al. 2021

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The Asian tramp snail, Bradybaena similaris (Ferusssac), is an invasive land snail species and has been a rising agricultural pest in south of China. As a pest, it also plays a role in transmission of Angiostrongylus cantonensis. However, present studies on this species are rare and the molecular information is limited. For this purpose, we sequenced the transcriptome and small RNA of B. similaris collected from citrus orchards. In total, 89,747 unigenes with an N50 size of 1287 bp and an average length of 817 bp were generated from ∼8.9 Gb transcriptome and 31 Mb clean reads were generated from ∼36 Mb small RNA library. To demonstrate the usefulness of these two datasets, we analyzed a series of genes associated with xenobiotic metabolism and core RNAi machinery. Analysis of the transcripts resulted in annotation of 126 putative genes encoding cytochrome P450 monooxygenases (CYP, 45), carboxyl/cholinesterases (CCE, 13), glutathione-S-transferases (GST, 24), and ATP-binding cassette transporters (ABC, 44). Analysis of the small RNA detected 42 miRNAs. In addition, four genes involved in small RNA pathways (miRNA, piRNA, and siRNA) were identified, and a total of 430 genes that can be targeted by miRNAs were predicted. Moreover, we found that a few miRNAs could target certain genes involved in xenobiotic metabolism. Therefore, we believe that these two datasets and the characterization of the identified/predicted genes will facilitate the molecular study of this species as well as other land snails with agricultural importance.

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Essential oils as molluscicidal agents against schistosomiasis transmitting snails - a review

Cited by 26 publications

References 71 publications

Lantana camara Essential Oils from Vietnam: Chemical Composition, Molluscicidal, and Mosquito Larvicidal Activity

Lantana camara Essential Oils from Vietnam: Chemical Composition, Molluscicidal, and Mosquito Larvicidal Activity

Molluscicidal and parasiticidal activities of Eryngium triquetrum essential oil on Schistosoma mansoni and its intermediate snail host Biomphalaria glabrata, a double impact

Sequencing of Transcriptome and Small RNA Revealed the Xenobiotic Metabolism-Related Genes and Potential Regulatory miRNA in Asian Tramp Snail

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