W. G. Gonçalves

Publications30
h-index13
Citations333
Highly Influential Citations6
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Ultrastructure of the Excretory Organs of Bombus morio (Hymenoptera: Bombini): Bee Without Rectal Pads
TLDR
It is suggested that Malpighian tubules participate in the excretion of solutes and that the ileum and rectal epithelium are responsible for homeostasis of water and solutes, compensating for the absence of rectal papillae.
Nonsteroidal anti-inflammatory is more effective than anti-oxidant therapy in counteracting oxidative/nitrosative stress and heart disease in T. cruzi-infected mice
TLDR
By controlling the inflammatory infiltrate, anti-inflammatory-based therapy proved to be a more rational strategy than a direct antioxidant therapy in attenuating oxidative/nitrosative stress and cardiac damage.
Aedes aegypti larvae treated with spinosad produce adults with damaged midgut and reduced fecundity.
TLDR
Investigation of the sublethal effects of spinosad during midgut metamorphosis of A. aegypti females and its cumulative effects on blood acquisition capacity and fecundity in adults finds it to be an alternative for vector control.
A peritrophin mediates the peritrophic matrix permeability in the workers of the bees Melipona quadrifasciata and Apis mellifera.
TLDR
In the bees studied, the peritrophic matrices have morphological differences between midgut regions, but there is no difference in their permeability along the midGut, which is affected by peritrophin 55.
Sequential medium with GH and IGF‐1 improved in vitro development of bovine preantral follicles enclosed in ovarian tissue
TLDR
It is concluded that the bovine preantral follicles cultured in the sequential medium treated with GH → IGF-1 improved the follicular development until the first half of the culture and kept these parameters with normality, viability and ultrastructure until the secondhalf of the in vitro culture.
Squamocin induce histological and ultrastructural changes in the midgut cells of Anticarsia gemmatalis (Lepidoptera: Noctuidae).
TLDR
It is demonstrated that squamocin has potential to induce enough morphological changes in midgut through epithelial cell damage in A. gemmatalis.
Spinosad-mediated effects on the walking ability, midgut, and Malpighian tubules of Africanized honey bee workers.
TLDR
Even at very low concentrations, the spinosad formulation was toxic to the vital organs midgut and Malpighian tubules and adversely affected walking behavior, providing new insights into the debate about the role of bioinsecticides in the mortality of Africanized honey bees.
Toxicological and morphological effects of tebufenozide on Anticarsia gemmatalis (Lepidoptera: Noctuidae) larvae.
TLDR
Sublethal exposure to tebufenozide is sufficient to disturb the ultrastructure of A. gemmatalis midgut, which might compromise insect fitness, confirming tebufinozide a possible controlling insecticide.
Modulation of oxidative and inflammatory cardiac response by nonselective 1‐ and 2‐cyclooxygenase inhibitor and benznidazole in mice
This study investigated the combined effects of benznidazole (BZ) and ibuprofen (IB) on the oxidative and inflammatory status of the cardiac tissue in vivo.
Permethrin induces histological and cytological changes in the midgut of the predatory bug, Podisus nigrispinus.
TLDR
The low selectivity of permethrin to a non-target organism such as the predatory bug, P. nigrispinus indicates that the associated use of this insecticide in biological control should be better evaluated.
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