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resistance in Hainan Province, China: investigating phenotypes and genotypes through whole-genome sequencing.
Front Cell Infect Microbiol
January 2025
Department of Gastroenterology, The Second Affiliated Hospital of Hainan Medical University, Haikou, China.
is increasingly resistant to antibiotics, significantly lowering eradication rates and posing a major public health challenge. This study investigated the distribution of antibiotic-resistant phenotypes and genotypes of in Hainan Province. It determined the minimum inhibitory concentrations (MICs) of six antibiotics using the E-test method and detected resistance genes via Sanger sequencing.
View Article and Find Full Text PDFCombined effect of Tetracycline compounds and essential oils on antimicrobial resistant isolated from the swine food chain.
Front Microbiol
December 2024
Department of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, Teramo, Italy.
Antimicrobial resistance (AMR) poses risks for food stakeholders because of the spread of resistant microbes and potential foodborne diseases. In example, pigs may carry strains, which can infect humans through contaminated food preparations. Due to their antibacterial properties and capacity to modulate bacterial drug resistance, essential oils (EOs) are attracting interest as prospective substitutes for synthetic antimicrobials which can help to reverse microbial resistance.
View Article and Find Full Text PDFMolecular epidemiology of invasive group B Streptococcus in South Africa, 2019-2020.
J Infect Dis
December 2024
Centre for Respiratory Diseases and Meningitis, National Institute for Communicable Diseases, a division of the National Health Laboratory Service, Johannesburg, South Africa.
Background: Group B Streptococcus (GBS) is a leading cause of neonatal meningitis and sepsis and an important cause of disease in adults. Capsular polysaccharide and protein-based GBS vaccines are currently under development.
Methods: Through national laboratory-based surveillance, invasive GBS isolates were collected from patients of all ages between 2019 and 2020.
In vitro evaluation of the antimicrobial effect of ZnO:9Ag nanoparticle and antibiotics on standard strains of Leptospira spp.
Microb Pathog
December 2024
Faculty of Veterinary Medicine, Federal University of Uberlândia, Uberlândia, 38402-018, Brazil.
Silver nanoparticles are recognized for potent antimicrobial properties against pathogenic bacteria, crucial in addressing the severity of leptospirosis, where an ideal treatment is lacking. This study focuses on assessing the antimicrobial efficacy of silver-doped zinc oxide nanoparticles (ZnO:9Ag) on standard Leptospira spp. strains (six species and ten serovars).
View Article and Find Full Text PDFEnhanced solar light photocatalytic degradation of tetracycline by aero-GaN and ZnO microtetrapods functionalized with noble metal nanodots.
Heliyon
December 2024
Centre of Advanced Research in Bionanoconjugates and Biopolymers, "Petru Poni" Institute of Macromolecular Chemistry, 41A, Grigore Ghica Voda Alley, 700487, Iasi, Romania.
The escalating global problem of antibiotic contamination in wastewater demands innovative and sustainable remediation technologies. This paper presents a highly efficient photocatalytic material for water purification: a three-dimensional ultra-porous structure of interconnected GaN hollow microtetrapods (aero-GaN), its performance being further enhanced by noble metal nanodot functionalization. This novel aero-nanomaterial achieves more than 90 % of tetracycline degradation within 120 min under UV and solar irradiation, demonstrating its effectiveness in both static and dynamic flow conditions, with the potential for reuse and recyclability.
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