Molluscicidal and ovicidal activities of plant extracts of the Piperaceae on <i>Biomphalaria glabrata</i> (Say, 1818)

Rapado, Ludmila Nakamura; Nakano, Eliana; Ohlweiler, Fernanda Pires; Kato, Massuo Jorge; Yamaguchi, Lydia F.; Pereira, Carlos Alberto de Bragança; Kawano, Toshie

doi:10.1017/s0022149x10000258

Cited by 44 publications

(42 citation statements)

References 23 publications

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“…A ausência de mortes em embriões exposto a compostos químicos letais para adultos também foi descrita em outros estudos (KAWANO; SIMÕES, 1986;LEMMA et al, 1972;LEYTON et al, 2005;MIYASATO et al, 2012;RAPADO et al, 2010;SCHALL et al, 1998 , 1987;MIYASATO et al, 2011;RAPADO et al, 2010;YAMAMOTO, 1996).…”

Section: Discussionunclassified

“…A análise quimiométrica foi realizada neste estudo visando compreender a relação entre a ausência de atividade moluscicida descrita por Rapado et al (2010) C (CDCl 3, 50MHz) do 4-hidroxi-3-(3,7,11-trimetildodeca-2,6,10-trienil) benzoico. …”

Section: Discussionunclassified

“…Contudo, esse composto é tóxico para diversas outras espécies de caramujos, peixes e outros organismos aquáticos, seu uso prolongado causa danos em plantas aquáticas e terrestres, possui alto custo, se decompõe rapidamente sob ação da luz solar e sua aplicação não previne a recolonização por caramujos sobreviventes, sendo necessárias frequentes reaplicações, o que pode favorecer a seleção de populações resistentes (ABREU; GOULART; BRETT, 2002;GIOVANELLI et al, 2002;POINTIER;GIBODA, 1999;WHO, 1992). RAPADO et al, 2010;SCHALL et al, 1998SCHALL et al, , 2001SINGH;YADAV;SINGH, 2009;WHO, 1965WHO, , 1992.…”

Section: Uso De Moluscicida No Controle Do Caramujo Biomphalariaunclassified

“…As chalconas presentes em Piper, como em inflorescências de P. aduncum, possuem atividade antiparasitária em Leishmania amazonensis e as flavanonas das folhas de P. crassinervium atividade fungicida em fungos do gênero Cladosporium (DANELUTTE et al, 2003;TORRES-SANTOS et al, 1999). Fonte: Rapado (2012 Rapado et al (2010).…”

Section: Chalconas E Flavanonasunclassified

“…A escolha da espécie para o estudo de isolamento e identificação dos compostos ativos baseou-se nos resultados descritos por Rapado et al (2010) …”

Section: Seleção Das Espécies De Piper E Dos Compostos Isoladosunclassified

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Obtenção e avaliação da atividade de compostos isolados de Piper em modelos biológicos para o controle da esquistossomose mansônica.

Rapado¹

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Section: Discussionunclassified

Section: Uso De Moluscicida No Controle Do Caramujo Biomphalariaunclassified

Section: Chalconas E Flavanonasunclassified

“…A escolha da espécie para o estudo de isolamento e identificação dos compostos ativos baseou-se nos resultados descritos por Rapado et al (2010) …”

Section: Seleção Das Espécies De Piper E Dos Compostos Isoladosunclassified

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Obtenção e avaliação da atividade de compostos isolados de Piper em modelos biológicos para o controle da esquistossomose mansônica.

Rapado¹

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Studies on Toxicity of Suspensions of CdTe Quantum Dots to Biomphalaria glabrata Mollusks

Lima¹,

Pereira²,

Filho³

et al. 2019

Enviro Toxic and Chemistry

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Quantum dots have generated great interest because of their optical properties, both to life sciences and electronics applications. However, possible risks to the environment associated with these nanoparticles are still under investigation. The present study aimed to evaluate the toxicity of suspensions of cadmium telluride (CdTe) quantum dots to Biomphalaria glabrata mollusks, a very sensitive aquatic environmental bioindicator for physical and chemical agents. Toxicity was examined by using embryos and adult mollusks as well as hemocytes. The distribution of cadmium in the organs of adults was also assessed. Effects of the stabilizing agent of the quantum dots were also evaluated. Animals were exposed to suspensions of quantum dots for 24 h, at concentrations varying from 1.2 to 20 nM for embryos and from 50 to 400 nM for adult mollusks. Results showed that suspensions of quantum dots induced malformations and mortality in embryos and mortality in adults, depending on the concentration applied. In the cytotoxicity study, hemocyte apoptosis was observed in adults exposed to the highest concentration of quantum dots applied as well as to the stabilizing agent. Cell binucleation and micronucleus frequencies were not significative. Bioaccumulation evaluation revealed that quantum dots targeted the digestive gland (hepatopancreas). Taken together, outcomes suggested that specific nano‐effects related directly not only to composition but also to the aggregation of quantum dots may be mediating the observed toxicity. Thus B. glabrata was determined to be a very sensitive species for interpreting possible nano‐effects in aquatic environments. Environ Toxicol Chem 2019;38:2128–2136. © 2019 SETAC.

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Molluscicidal activity of some marine substances against the snail Biomphalaria glabrata (Mollusca, Planorbidae)

et al. 2011

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Freshwater snails of the genus Biomphalaria play a major role as intermediate hosts of Schistosoma mansoni, the etiologic agent of schistosomiasis. While Biomphalaria spp. control by molluscicides is one of the main strategies to reduce the snail population in infected areas, there are few effective molluscicides commercially available. Natural products may be considered as potentially useful and safe molluscicides. We have evaluated the molluscicidal activity of 12 extracts from ten marine organisms on adult and embryonic stages of Biomphalaria glabrata. Only extracts of the red algae Liagora farinosa and of the sponge Amphimedon viridis presented molluscicidal activity. Lethal concentration (LC)(50) values obtained were 120 μg/mL for L. farinosa CH(2)Cl(2) extract (apolar fraction) and 20 μg/mL for A. viridis extract and halitoxin. The polar alga fraction and halitoxin had no effect on B. glabrata embryos. The algae apolar fraction was active on B. glabrata in all embryonic development stages, with LC(50) values for blastulae at 42 μg/mL, gastrulae at 124 μg/mL, trochophore at 180 μg/mL, and veliger at 222 μg/mL. This is the first report of extracts from marine organisms which presented molluscicidal activity.

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Molluscicidal and ovicidal activities of plant extracts of the Piperaceae on Biomphalaria glabrata (Say, 1818)

Cited by 44 publications

References 23 publications

Obtenção e avaliação da atividade de compostos isolados de Piper em modelos biológicos para o controle da esquistossomose mansônica.

Obtenção e avaliação da atividade de compostos isolados de Piper em modelos biológicos para o controle da esquistossomose mansônica.

Studies on Toxicity of Suspensions of CdTe Quantum Dots to Biomphalaria glabrata Mollusks

Molluscicidal activity of some marine substances against the snail Biomphalaria glabrata (Mollusca, Planorbidae)

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