2002
DOI: 10.1590/s0074-02762002000300017
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Derris (Lonchocarpus) urucu (Leguminosae) Extract Modifies the Peritrophic Matrix Structure of Aedes aegypti (Diptera:Culicidae)

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Cited by 36 publications
(30 citation statements)
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“…Studies have shown that the major toxic effects caused by tannins in the mesenteron cells of larvae in the third instar of A. aegypti were: high cytoplasmic vacuolation, abscence of cytoplasmic limits, apical vesicle formation with the release of cytoplasmic contents of the cells, increased intercellular space and detached cells from the basement membrane. These results are similar to those histopathological processes reported in insects, in response to a variety of biological toxic substances (Abed et al 2007, Arruda et al 2003, Barreto et al 2006, Delphine et al 1999, Gusmão et al 2002, Rey et al 1999.…”
Section: An Acad Bras Cienc (2017)supporting
confidence: 87%
See 1 more Smart Citation
“…Studies have shown that the major toxic effects caused by tannins in the mesenteron cells of larvae in the third instar of A. aegypti were: high cytoplasmic vacuolation, abscence of cytoplasmic limits, apical vesicle formation with the release of cytoplasmic contents of the cells, increased intercellular space and detached cells from the basement membrane. These results are similar to those histopathological processes reported in insects, in response to a variety of biological toxic substances (Abed et al 2007, Arruda et al 2003, Barreto et al 2006, Delphine et al 1999, Gusmão et al 2002, Rey et al 1999.…”
Section: An Acad Bras Cienc (2017)supporting
confidence: 87%
“…Various studies have addressed the possibility of using the embryo culture technique as an assay for embryotoxic potential of xenobiotic compounds. The electron microscopy of A. aegypti larvae transmission treated with aqueous extracts of Derris urucu and Indigofera suffruticosa showed histological changes in the intestine, and larval mortality was associated with damage to peritrophic matrix (Gusmão et al 2002, Vieira et al 2012. The peritrophic matrix of insects consists of proteins, glycoproteins, proteoglycans, and chitin (Nation 2016) and its integrity is important in the digestive process, as well as to protect against invasion by microorganisms and parasites (Lievin-Le and Servin et al 2006).…”
Section: Introductionmentioning
confidence: 98%
“…Additionally, temephos, a synthetic organophosphate compound widely used as insecticide and larvicide in Brazil presents related resistance cases and therefore a loss of overall efficacy (Lima et al 2006) which is compounded in tropical countries having high annual rainfalls by the need for as little as 1-2 mL of clean water for this species to carry out the aquatic portion of its life cycle, from egg through larval phase to emergent imago (adult). For these reasons and despite significant advances in techniques used for its control during recent decades, A. aegypti and other mosquitoes continue to pose serious public health problems (Gusmão et al 2002). Importantly, co-evolution has equipped plants with a plethora of chemical defences against insect predators.…”
mentioning
confidence: 99%
“…aegypti, the motility caused by Derris urucu extract (used as an insecticide) related to disruption of the PM structure. PM disruption can facilitate the transport and enhance the insecticidal activity of pathogens (Gusmão et al, 2002). From this study, we can conclude that there are changes in the construction and structure of the PM in the midgut of Ae.…”
Section: Discussionmentioning
confidence: 60%