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| http://dx.doi.org/10.1128/JCM.00222-10 | DOI Listing |
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Emergence of multi-drug-resistant, vancomycin-resistant, and multi-virulent Enterococcus species from chicken, dairy, and human samples in Egypt.
J Appl Microbiol
January 2025
Department of Bacteriology, Animal Health Research Institute (AHRI), Zagazig Branch, Agriculture Research Center (ARC), Zagazig 44516, Egypt.
Aims: The present study aimed to detect the frequency of vancomycin resistance and virulence genes' profiles of multi-drug-resistant (MDR) enterococcal isolates from different sources and to investigate the sequence heterogeneity between the esp genes of MDR and vancomycin-resistant Enterococcus faecalis isolates from chicken and human sources.
Methods And Results: Conventional phenotypic methods identified 91 isolates (60.7%) as Enterococcus species, and these isolates were retrieved from dairy (37/52), chicken (35/54), and human (19/44) origins.
Vancomycin-resistant Staphylococcus aureus endangers Egyptian dairy herds.
Sci Rep
December 2024
Department of Infectious Diseases and Public Health, Jockey Club College of Veterinary Medicine and Life Sciences, City University of Hong Kong, Hong Kong, SAR, China.
The emergence of pandrug-resistant (PDR) and extensive drug-resistant (XDR) methicillin-resistant and vancomycin-resistant Staphylococcus aureus (MRSA and VRSA) isolates from bovine milk samples along with biofilm formation ability and harboring various virulence genes complicates the treatment of bovine mastitis and highlights the serious threat to public health. This study investigated for the first time the frequency, antimicrobial resistance profiles, biofilm-forming ability, virulence factors, spa and staphylococcal cassette chromosome mec (SCCmec) types of MRSA and VRSA isolated from clinical and subclinical bovine mastitis in Egypt. A total of 808 milk samples were collected from each quarter of 202 dairy animals, including 31 buffaloes and 171 cattle.
View Article and Find Full Text PDFAntimicrobial Resistance Profile of Enterococcal Isolates From Clinical Specimens at a Tertiary Care Hospital in Western Maharashtra, India.
Cureus
November 2024
Department of Microbiology, Krishna Institute of Medical Sciences, Krishna Vishwa Vidyapeeth (Deemed to Be University), Karad, IND.
Background , once benign intestinal flora, has transformed into formidable nosocomial pathogens as a result of the accelerated emergence of antibiotic resistance represents a major global health challenge, particularly within hospital settings. has grown more prevalent in nosocomial infections, such as urinary tract infections (UTIs), surgical site infections (SSIs) and bacteremia. The potential emergence of vancomycin-resistant (VRE) strains further complicates treatment choices for multi-drug resistant (MDR) infections.
View Article and Find Full Text PDFDevelopment of a PCR assay for rapid and accurate detection of an emerging clone in the Capital Region of Denmark.
JAC Antimicrob Resist
December 2024
Department of Clinical Microbiology, Copenhagen University Hospital Hvidovre, Hvidovre, Denmark.
Objectives: To develop and validate a real-time PCR assay detecting the sequence bridging Tn and the chromosome in the emerging vancomycin-resistant (VREfm) clone (ST80/CT2406).
Methods: The Tn insertion site was determined on routinely sequenced VREfm isolates. The outer boundaries of Tn and adjoining host bacterial sequences were determined using a BLAST search in the silent information regulator gene .
Presence of multiple van genes among glycopeptide non-susceptible Staphylococcus aureus exhibiting in vitro MIC creep phenomenon: A study from north-east India.
Indian J Med Res
July 2024
Department of Microbiology, Assam University, Assam, India.
Article Synopsis
- The study investigates the rise of vancomycin-resistant Staphylococcus aureus (VRSA) since 2010, finding that 2.4% of S. aureus infections are now VRSA, along with challenges posed by hVISA isolates.
- Researchers analyzed 845 isolates, confirming 246 as S. aureus, with molecular techniques identifying various vancomycin resistance genes, especially vanA, vanB, and vanD.
- Results indicated that a notable percentage (8%) of isolates exhibited glycopeptide non-susceptibility, with some showing a concerning increase in minimum inhibitory concentration (MIC), which could complicate infection control efforts and antibiotic guidelines.
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