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Antimicrobial resistance profiles and clonal diversity of Staphylococcus epidermidis isolates from pig farms, slaughterhouses, and retail pork.
Vet Microbiol
July 2023
Department of Veterinary Microbiology, College of Veterinary Medicine and Research Institute for Veterinary Science, Seoul National University, Seoul 08826, Republic of Korea. Electronic address:
Livestock-associated coagulase-negative staphylococci (CoNS), such as Staphylococcus (S.) epidermidis, have emerged as a significant reservoir of antimicrobial resistance (AMR). In the current study, the AMR profiles and genetic diversity of S.
View Article and Find Full Text PDFGenomics Insight into -Mediated Linezolid-Resistant LA-MRSA in Italian Pig Holdings.
Antibiotics (Basel)
March 2023
National Reference Laboratory for Antimicrobial Resistance, Department of General Diagnostics, Istituto Zooprofilattico Sperimentale del Lazio e Della Toscana "M. Aleandri", 00178 Rome, Italy.
Article Synopsis
- The study focuses on a specific methyltransferase gene in staphylococci, particularly methicillin-resistant Staphylococcus aureus (MRSA), which leads to resistance against several antibiotics.
- Researchers conducted a genomic analysis of multidrug-resistant MRSA strains from Italian pigs between 2008 and 2011 using advanced sequencing technologies, finding differences in antibiotic resistance profiles among the isolates.
- The discovery of a functional resistance gene associated with one of the MRSA strains highlights the need for ongoing monitoring of antibiotic-resistant bacteria in livestock for public health management.
Occurrence of -Positive Linezolid-Susceptible and Non- Staphylococcal Isolates from Pig Farms.
Antibiotics (Basel)
February 2023
Department of Veterinary Microbiology, College of Veterinary Medicine and Research Institute for Veterinary Science, Seoul National University, Seoul 08826, Republic of Korea.
The emergence and spread of -mediated resistance to linezolid in staphylococci have become a serious global concern. The acquisition of confers multidrug resistance to phenicols, lincosamides, oxazolidinones, pleuromutilins, and streptogramin A (PhLOPS phenotype). However, occurrence of -positive and linezolid-susceptible staphylococci has been identified.
View Article and Find Full Text PDFEmergence of -Mediated Linezolid Resistance among Livestock-Associated Methicillin-Resistant (LA-MRSA) from Healthy Pigs in Portugal.
Antibiotics (Basel)
October 2022
Laboratory of Bacteriology and Mycology, National Institute of Agrarian and Veterinary Research (INIAV, IP), 2780-157 Oeiras, Portugal.
Livestock-associated methicillin-resistant (LA-MRSA) ST398 is mainly found in Europe and North America, colonizing the nasal cavity of pigs. This study characterized the MRSA isolates recovered from pig nasal swabs ( = 171) by evaluating the antimicrobial susceptibility profile by broth microdilution and characterizing the genetic lineages by -typing. Three linezolid-resistant isolates were subjected to Whole-Genome Sequencing (WGS).
View Article and Find Full Text PDFCo-occurrence of cfr-mediated linezolid-resistance in ST398 LA-MRSA and non-aureus staphylococci isolated from a pig farm.
Vet Microbiol
March 2022
Department of Veterinary Microbiology, College of Veterinary Medicine and Research Institute for Veterinary Science, Seoul National University, Seoul, 08826, Republic of Korea. Electronic address:
Linezolid resistance, mediated by the cfr gene, which confers resistant phenotypes to phenicols, lincosamides, oxazolidinones, pleuromutilins, and streptogramin A antimicrobials, has emerged in S. aureus and non-aureus staphylococci (NAS). Moreover, due to the transferable potential via plasmids, the spread of cfr among staphylococci is of great concern.
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