Journal
CHEMOSPHERE
Volume 229, Issue -, Pages 525-528Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.chemosphere.2019.05.041
Keywords
Anthranilic diamides; Cytotoxicity; Non-target organ; Soybean caterpillar; Ultrastructure
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Funding
- Brazilian institution Conselho Nacional de Desenvolvimento Cientifico e Tecnologico (CNPq)
- Brazilian institution Coordenacao de Aperfeicoamento de Pessoal de Nivel Superior - Brasil (CAPES) [001]
- Brazilian institution Fundacao de Amparo a Pesquisa do Estado de Minas Gerais (FAPEMIG)
- Brazilian institution Programa Cooperativo sobre Protecao Florestal/PROTEF do Instituto de Pesquisas e Estudos Florestais/IPEF
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Anticarsia gemmatalis Hubner (Lepidoptera: Noctuidae) is mainly controlled with synthetic insecticides such as chlorantraniliprole. However, these compounds may affect non-target organs of insect metabolism. The objective of this study was to evaluate the toxic effect in the midgut goblet cells of A. gemmatalis caterpillars exposed to chlorantraniliprole. The midgut of these caterpillars, which ingested the insecticide in medium-lethal dose (LD50), was dissected and evaluated by transmission electron microscopy. The goblet cells microvilli, after exposure to the insecticide, were disorganized and degenerated. This can compromise ionic homeostasis and nutrient absorption, impair physiological mechanisms of detoxification, and reduce the movement of food boluses throughout the insect midgut. (C) 2019 Elsevier Ltd. All rights reserved.
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