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Targeted inhibition of PqsR in Pseudomonas aeruginosa PAO1 quorum-sensing network by chalcones as promising antibacterial compounds.
Mol Biol Rep
January 2025
Department of Pharmaceutical Control, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran.
Background: Pseudomonas aeruginosa's inherent and adapted resistance makes this pathogen a serious problem for antimicrobial treatments. Furthermore, its biofilm formation ability is the most critical armor against antimicrobial therapy, and the virulence factors, on the other hand, contribute to fatal infection and other recalcitrant phenotypic characteristics. These capabilities are harmonized through cell-cell communication called Quorum Sensing (QS), which results in gene expression regulation via three major interconnected circuits: las, rhl, and pqs system.
View Article and Find Full Text PDFComparison of the 2023 ISCVID and ESC Duke clinical criteria for the diagnosis of infective endocarditis among patients with positive blood cultures for new typical microorganisms.
Infection
January 2025
Infectious Diseases Service, Lausanne University Hospital, Lausanne, Switzerland.
Purpose: To evaluate the performance of the Duke clinical criteria of the European Society of Cardiology (ESC; 2015 and 2023 versions) and the 2023 International Society for Cardiovascular Infectious Diseases (ISCVID) in diagnosing infective endocarditis (IE) among patients with bacteraemia/candidaemia by pathogens introduced for the first time as typical microorganisms by ISCVID.
Methods: Retrospective study.
Setting: This study included adult patients with bacteraemia/candidaemia by such pathogens (coagulase negative staphylococci, Abiotrophia spp.
Risk factors for survival after lung transplantation in cystic fibrosis: impact of colonization with multidrug-resistant strains of Pseudomonas aeruginosa.
Infection
January 2025
Department of Thoracic Surgery, Saarland University, 66421, Homburg/Saar, Germany.
Background: Lung transplantation is the ultimate treatment option for patients with advanced cystic fibrosis. Chronic colonization of these recipients with multidrug-resistant (MDR) pathogens may constitute a risk factor for an adverse outcome. We sought to analyze whether colonization with MDR pathogens, as outlined in the German classification of multiresistant Gram-negative bacteria (MRGN), was associated with the success of lung transplantation.
View Article and Find Full Text PDFIncidence and resistance rates of Pseudomonas aeruginosa bloodstream infections in Switzerland: a nationwide surveillance study (2010-2022).
Infection
January 2025
Swiss Centre for Antibiotic Resistance (ANRESIS), Institute for Infectious Diseases, University of Bern, Bern, Switzerland.
Purpose: Bloodstream infections (BSIs) cause significant morbidity and mortality worldwide. Pseudomonas aeruginosa is an important microorganism in BSIs. The aim of this study was to analyze recent trends in the incidence and resistance rates of P.
View Article and Find Full Text PDFCurrent role of ceftobiprole in the treatment of hospital-acquired and community-acquired pneumonia: Expert opinion based on literature and real-life experiences.
Expert Rev Anti Infect Ther
January 2025
Department of Health Sciences (DISSAL), University of Genoa, Genoa, Italy.
Introduction: Community-acquired pneumonia (CAP) and hospital-acquired pneumonia (HAP) are major global health challenges, with high morbidity and mortality rates. The increasing prevalence of multidrug-resistant (MDR) bacteria may diminish the effectiveness of standard empirical antibiotics, highlighting the need for broader-spectrum agents that target also MDR organisms.
Areas Covered: This review summarizes findings from a PubMed search on the use of ceftobiprole in CAP and HAP.
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