Publications by authors named "Sheila da Silva"

Article Synopsis
  • * Shotgun metagenome sequencing revealed that the fish microbiomes and river water microbiomes are similar at higher taxonomic levels but differ significantly in alpha and beta diversity at the genus level.
  • * The study concluded that the piranha's microbiome serves as a good representative of the river water microbiome, with variations in beta diversity linked to environmental changes and selective pressures.
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Multidrug-resistant bacteria are of critical importance and a problem for human health and food preservation; the discovery of new antimicrobial substances to control their proliferation is part of the solution. This work reports on 57 antagonistic strains, of which 38 strains were antagonistic towards problematic human pathogens. The genome of the most antagonistic strain was sequenced and identified as .

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Brucella intermedia/Ochrobactrum intermedium strain DF13 was isolated from Brazilian soil and is able to degrade 2,4-dichlorophenoxyacetic acid (2,4-D). Here, we report on its genome sequence, with 4,570,268 bp and a 57.8% G+C content.

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Enterobacter hormaechei strain MG02 was isolated from a mixed culture collected from soil with a history of pesticide application. This strain degrades 2,4-dichlorophenoxyacetic acid (2,4-D). Here, we report on its genome, which has 4,923,875 bp and 55.

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Background: To evaluate the association of thyroid hormones changes, including increased reverse triiodothyronine (rT3) level, with critically ill clinical patients´ mortality.

Patients And Methods: This study analyzed the observational data prospectively collected over 8 months (2018) in an adult intensive care unit (ICU) in Brasilia, Brazil. All consecutive ICU-admitted clinical patients were included.

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Article Synopsis
  • Pseudomonas sp. strain LAP_36 was isolated from the rhizosphere soil of the plant Deschampsia antarctica, found on King George Island in Antarctica.
  • The draft genome sequence of this strain is approximately 8.8 million base pairs long, with a GC content of 60.0%.
  • It contains a total of 8,011 protein-coding genes, which are essential for understanding its biological functions.
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Background: Mechanisms involved in hair metabolism are diverse, and the availability of ingredients that normalize dysfunctions or mitigate the effects of extrinsic stress suffered daily is greatly desired by consumers to improve the aesthetic appearance of hair.

Aims: In this work, we carried out a preclinical exploratory approach to evaluate the effects of a complex of nanoencapsulated active ingredients (AcPi), as well as a cosmetic formulation containing AcPi (ShPi and HtPi) in mechanisms involving hair loss and follicular aging.

Methods: Human hair follicle dermal papilla cells and human scalp culture were treated with AcPi, ShPi, or HtPi and stimulated with UV radiation or testosterone for further measurement of mitochondrial biogenesis, reactive oxygen species (ROS), β-catenin, dyhidrotestosterone (DHT), collagen XVIIα1 (COL17A1), and cutaneous permeation.

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Objective: The aim of this work was to analyze muscle strength in Pilates novices who used the Reformer equipment during twelve training sessions.

Methods: Twenty-four healthy young female volunteers, who were non-smokers and did not exercise regularly, were split into a control group (mean age 28 ± 4 years and BMI 24.55 ± 3.

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The rose-hip oil holds skin regenerating properties with applications in the dermatological and cosmetic area. Its nanoencapsulation might favor the oil stability and its incorporation into hydrophilic formulations, besides increasing the contact with the skin and prolonging its effect. The aim of the present investigation was to develop suitable rose-hip-oil-loaded nanocapsules, to verify the nanocapsule effect on the UV-induced oxidation of the oil and to obtain topical formulations by the incorporation of the nanocapsules into chitosan gel and film.

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Background: No clear evidence is available in the literature regarding the acute effect of different styles of music on cardiac autonomic control.

Objectives: The present study aimed to evaluate the acute effects of classical baroque and heavy metal musical auditory stimulation on Heart Rate Variability (HRV) in healthy men.

Patients And Methods: In this study, HRV was analyzed regarding time (SDNN, RMSSD, NN50, and pNN50) and frequency domain (LF, HF, and LF / HF) in 12 healthy men.

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Background: Chronic classical music was reported to increase parasympathetic activitywhen evaluating heart rate variability (HRV). It is poor in the literature investigation of the acute effects of baroque and heavy metal styles of musical auditory stimulation on HRV. In this study we evaluated the acute effects of relaxant baroque and excitatory heavy metal music on the geometric indices of HRV in healthy men.

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Background: Reactivation of chronic Chagas disease, which occurs in approximately 20% of patients coinfected with HIV/Trypanosoma cruzi (T. cruzi), is commonly characterized by severe meningoencephalitis and myocarditis. The use of quantitative molecular tests to monitor Chagas disease reactivation was analyzed.

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