2009
DOI: 10.1590/1808-1657v76p4712009
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Utilização De Drosophila Melanogaster Como Bioindicador Na Avaliação Da Letalidade De Extrato De Nicotiana Tabacum

Abstract: RESUMO Nicotiana tabacumLinnaeus é uma planta de importância econômica, explorada comercialmente em todo o mundo. Quimicamente, destaca-se pela presença de alcalóides pirimidínicos, como a anabasina e a nicotina, além de esteroides, cumarinas e terpenos. O objetivo do estudo foi verificar a concentração do extrato aquoso do tabaco que mata aproximadamente 50% da população do bioindicador Drosophila melanogaster Morgan em 24h (CL50). Foram utilizados o total de 689 indivíduos da linhagem selvagem de D. melanoga… Show more

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Cited by 6 publications
(1 citation statement)
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“…In addition, E. kuehniella did not complete its development on diets with high percentages of some classes of tobacco. This may be due to the presence of toxic substances such as pyrimidine alkaloids like nicotine and anabasine, as well as the steroids, coumarins and terpenes that are in tobacco and are used as insecticides in agriculture and a vermifuge in livestock because of the high concentrations of these compounds, especially nicotine, in class 1 and 3 tobacco (Moratore et al, 2009;Jacomini et al, 2016). In the present study the diets with more than 5% of tobacco adversely affected the immature stages of E. kuehniella, resulting in fewer adults emerging, especially from treatments with the classes of tobacco with high concentrations of nicotine.…”
Section: Discussionmentioning
confidence: 99%
“…In addition, E. kuehniella did not complete its development on diets with high percentages of some classes of tobacco. This may be due to the presence of toxic substances such as pyrimidine alkaloids like nicotine and anabasine, as well as the steroids, coumarins and terpenes that are in tobacco and are used as insecticides in agriculture and a vermifuge in livestock because of the high concentrations of these compounds, especially nicotine, in class 1 and 3 tobacco (Moratore et al, 2009;Jacomini et al, 2016). In the present study the diets with more than 5% of tobacco adversely affected the immature stages of E. kuehniella, resulting in fewer adults emerging, especially from treatments with the classes of tobacco with high concentrations of nicotine.…”
Section: Discussionmentioning
confidence: 99%