Publications by authors named "A M Figueiredo"
: The anti-restriction protein ArdA-H1, found in multiresistant (MRSA) strains from the ST239-SCCIII lineage, inhibits restriction-modification systems, fostering horizontal gene transfer (HGT) and supporting genetic adaptability and resistance. This study investigates the regulatory mechanisms controlling H1 expression in under various stress conditions, including acidic pH, iron limitation, and vancomycin exposure, and explores the roles of the Agr quorum sensing system. : The expression of H1 was analyzed in strains exposed to environmental stressors using real-time quantitative reverse transcription PCR.
View Article and Find Full Text PDFRecent molecular and metagenomic studies have revealed that the obligate anaerobic protist Blastocystis is found more prevalently and with higher subtype diversities in herbivore species than in carnivore species. However, information on wild carnivore species is scarce. Here, we investigated the presence of Blastocystis by molecular methods in fecal DNA samples of free-ranging and captive Iberian lynxes from Spain (n = 243) and Portugal (n = 30).
View Article and Find Full Text PDFDetection of Rocahepevirus ratti in Bivalve Mollusks from São Luís Island, Maranhão, Brazil: A Potential Transmission Route of an Emerging Zoonotic Pathogen?
Food Environ Virol
January 2025
The attempt to investigate hepatitis E virus (HEV) contamination in naturally growing mangrove bivalve mollusks captured for local sale in a touristic area of Maranhão state in Brazil revealed the detection of rat hepatitis E virus (ratHEV). Using international standard protocols for processing and nucleic acid extraction, we analyzed 89 bivalve samples (Mytella falcata and Crassostrea rhizophorae) with two broadly reactive assays: heminested pan-Hepeviridae (ORF-1) and probe-based HEV-1 to HEV-4 (ORF-2/ORF-3). Heminested reactions presented 2 (2.
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- Advances in implants and biological therapies have improved trauma care, especially for complex cases like Schatzker type V tibial plateau fractures.
- This study evaluates three patients treated with open reduction and internal fixation plus tricalcium phosphate bone void filler, assessing outcomes through various scoring systems.
- Results showed high patient satisfaction and low pain levels, with good range of motion and no significant complications, indicating that tricalcium phosphate may enhance recovery by supporting healing and integration.
Objective: To systematically review the effects of recruitment maneuvers on patients with acute respiratory distress syndrome.
Methods: This systematic review and meta-analysis using the PICO methodology with keywords (respiratory distress syndrome, recruitment maneuvers, lung recruitment, acute respiratory distress syndrome, alveolar recruitment, and adult acute respiratory distress syndrome). Studies involving patients >18 years, regardless of sex, with acute respiratory distress syndrome, mechanically ventilated for at least 24 h, published in English, Portuguese, and Spanish, with no year restrictions, were included.