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Updated: Dec 2, 2025

Nanomechanics of Drug-target Interactions and Antibacterial Resistance Detection
Published on: October 25, 2013
Resistance in Vancomycin-Resistant Enterococci
William R Miller1, Barbara E Murray2, Louis B Rice3
1Department of Internal Medicine, Division of Infectious Diseases, University of Texas Health Science Center at Houston, McGovern Medical School, 6431 Fannin St. MSB 2.112, Houston, TX 77030, USA; Center for Antimicrobial Resistance and Microbial Genomics (CARMiG).
Abstract:
Serious infections owing to vancomycin-resistant enterococci have historically proven to be difficult clinical cases, requiring combination therapy and management of treatment-related toxicity. Despite the introduction of new antibiotics with activity against vancomycin-resistant enterococci to the therapeutic armamentarium, significant challenges remain. An understanding of the factors driving the emergence of resistance in vancomycin-resistant enterococci, the dynamics of gastrointestinal colonization and microbiota-mediated colonization resistance, and the mechanisms of resistance to the currently available therapeutics will permit clinicians to be better prepared to tackle these challenging hospital-associated pathogens.
Insights
Serious infections from vancomycin-resistant enterococci (VRE) remain challenging despite new antibiotics. Understanding resistance emergence and colonization is key for better clinical management of these difficult hospital-associated pathogens.
Area of Science:
- Infectious Diseases
- Microbiology
- Pharmacology
Background:
- Serious infections caused by vancomycin-resistant enterococci (VRE) present significant clinical challenges.
- Treatment often requires combination therapy and careful management of toxicity.
- Despite new antibiotic options, VRE infections remain difficult to treat.
Purpose of the Study:
- To highlight the persistent challenges in managing vancomycin-resistant enterococci infections.
- To emphasize the need for a deeper understanding of VRE resistance and colonization.
- To prepare clinicians for tackling these hospital-associated pathogens more effectively.
Main Methods:
- Review of current literature on vancomycin-resistant enterococci.
- Analysis of factors contributing to resistance emergence.
- Examination of gastrointestinal colonization dynamics and microbiota-mediated resistance.
- Investigation of resistance mechanisms against available therapeutics.
Main Results:
- Vancomycin-resistant enterococci infections continue to be a major clinical concern.
- New antibiotics have been introduced, but significant therapeutic challenges persist.
- Understanding resistance drivers and colonization is crucial for effective treatment.
Conclusions:
- A comprehensive understanding of VRE resistance mechanisms and colonization is essential.
- This knowledge will better equip clinicians to manage VRE infections.
- Improved preparedness is vital for combating these challenging hospital-associated pathogens.
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