Publications by authors named "B G Nascimento"
Investigation of RNA Viruses in Latreille, 1809 (Diptera: Ceratopogonidae) in a Mining Complex in the Southeastern Region of the Brazilian Amazon.
Viruses
November 2024
The biting midges Latreille, 1809 (Diptera: Ceratopogonidae) is highly relevant to epidemiology and public health, as it includes species that are potential vectors of human and animal arboviruses. The aim of this study was to investigate the presence of RNA viruses in species of the genus collected in the Carajás mining complex in the state of Pará. The biting midges were collected in the municipalities of Canaã dos Carajás, Curionópolis and Marabá and morphologically identified.
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- The study emphasizes the importance of soil conservation and the risks of soil erosion on steep slopes, necessitating effective erosion control strategies.
- Researchers investigated the mechanical properties of fibers treated with different concentrations of sodium hydroxide (NaOH) for geotextile manufacturing, simulating natural degradation conditions.
- Results indicated that while treated fibers initially lost some strength, the 6% NaOH treatment showed potential for higher tensile strength and durability, making it a promising option for biodegradable geotextiles.
Prevalence and factors associated with vitamin D deficiency in children and adolescents with type 1 diabetes mellitus: Baseline data from a clinical trial in Rio de Janeiro.
Nutrition
November 2024
Objectives: The therapeutic potential of vitamin D has been studied regarding adjuvant interventions. Some studies have evaluated the factors associated with vitamin D deficiency (VDD) in healthy populations, but they are scarce in children and adolescents with type 1 diabetes mellitus (T1DM). The objective of this study was to describe the prevalence of and factors associated with VDD in children and adolescents with T1DM.
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- Acute rheumatic fever (ARF) leads to serious long-term health issues, particularly chronic rheumatic heart disease, which affects heart valves.
- The majority of ARF cases (over 80%) occur in low- and middle-income countries, indicating a strong link between this disease and socioeconomic factors.
- Understanding the clinical, genetic, and sociodemographic risk factors of ARF can help healthcare providers identify those at high risk and implement better management and screening strategies to improve patient outcomes.
Water fluxes and nutrient absorption along the midgut of three hemipterans, Mahanarva fimbriolata, Dysdercus peruvianus, and Rhodnius prolixus.
Comp Biochem Physiol A Mol Integr Physiol
January 2025
Article Synopsis
- The Hemiptera Order includes insects with varying dietary adaptations related to water and nutrient absorption, prompting research on protein use and gene expression.
- RNA sequencing of three hemipteran species (M. fimbriolata, D. peruvianus, R. prolixus) showed distinct protein expression patterns tied to their diets and phylogenic relationships.
- Findings indicate that while M. fimbriolata, D. peruvianus, and R. prolixus have different mechanisms for water and nutrient absorption, they share general strategies influenced by their evolutionary backgrounds.