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Trends of Mycoplasma genitalium infections in Berlin, Germany, 2017-2023.
J Glob Antimicrob Resist
December 2024
Praxis Prenzlauer Berg, Berlin, Germany.
Objectives: The cell wall-less species Mycoplasma genitalium is a sexually transmitted pathogen with strong tendency to acquire resistance. Current knowledge about trends of resistance rates and differences between the risk population of men who have sex with men (MSM) and heterosexual patients as well as about circulating genotypes in both groups is limited.
Methods: Between August 2017 and December 2023, M.
Molecular characterization and antimicrobial susceptibility for 62 isolates of from children.
Front Microbiol
December 2024
Hebei Key Laboratory of Pathogens and Epidemiology of Infectious Diseases, HeBei Provincial Center for Disease Control and Prevention, Shijiazhuang, China.
Background: Pertussis is a highly contagious respiratory disease caused by (BP). Despite global control of pertussis cases through the Expanded Programme on Immunization (EPI), there has been a significant increase in the incidence of pertussis in recent years, characterized by a "resurgence" in developed countries with high immunization rates as well as a comparable reemergence in certain areas of China. We aim to explore the genotypes and antimicrobial susceptibility of circulating BP from children in Hebei.
View Article and Find Full Text PDFBroth microdilution protocol for determining antimicrobial susceptibility of Legionella pneumophila to clinically relevant antimicrobials.
J Microbiol Methods
December 2024
Medical Microbiology, Division of Infection and Immunity, Cardiff University, Cardiff, UK; UK Health Security Agency, Bacteriology Reference Department, London, UK. Electronic address:
Currently there is no detailed, internationally agreed protocol defined to evaluate antimicrobial susceptibility testing (AST) for Legionella pneumophila (required to establish epidemiological cut-off value or "ECOFF" boundaries); therefore, antimicrobial resistance in these isolates cannot be defined. AST methods utilising media containing activated charcoal as an ingredient, to enable Legionella growth, are unreliable as noted in an internationally authored opinion paper and a new gold standard is required. Here we define a detailed protocol for broth microdilution (BMD) using defined cell culture collection-deposited control reference strains (Philadelphia-1 and Knoxville-1) as well as two accessible reference strains with moderately (lpeAB-carrying) and markedly (23S rRNA mutation-carrying) elevated azithromycin minimum inhibitory concentration (MIC).
View Article and Find Full Text PDFClinical characteristics and predictive indictors of macrolide-unresponsive pneumonia in children: a retrospective study.
Front Pediatr
December 2024
Department of Pediatrics, The Second Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou, China.
Introduction: Macrolide-unresponsive pneumonia (MUMPP) cases have been rapidly increasing. The primary reason for this increased incidence is the pathogen's acquisition of resistance through mutations in 23S rRNA genes. Due to the unfeasibility of testing for macrolide susceptibility at the time of admission, this study aimed to assess the clinical features of pediatric MUMPP, using insights from laboratory tests and patterns of chest radiographic resolution.
View Article and Find Full Text PDFThe association between antimicrobial resistance mutations and treatment outcomes for infections from 2018 to 2022: a cross-sectional study from Auckland, New Zealand.
Sex Health
December 2024
Virology and Immunology Department, LabPlus, Auckland City Hospital, Auckland, New Zealand.
Background New Zealand has among the highest rates of antimicrobial resistance in Mycoplasma genitalium in the world. The aim of this study was to correlate treatment outcomes with 23S rRNA and parC mutations associated with macrolide and fluroquinolone resistance, respectively, in a cohort of sexual health clinic patients. Methods Laboratory and clinical data were collected for patients with M.
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