Related Experiment Video
Updated: Jun 19, 2026

Improved Enzyme Protection Assay to Study Staphylococcus aureus Internalization and Intracellular Efficacy of Antimicrobial Compounds
Published on: September 8, 2021
Staphylococcus aureus nasal carriage and its contributing factors
Karthikeyan Sivaraman1, Nitya Venkataraman, Alexander M Cole
1SBG, Center for Microbial & Plant Genetics, Katholieke Universiteit Leuven, Leuven, Belgium. k.sivan@gmail.com
Staphylococcus aureus nasal carriage acts as a reservoir for infection spread. Understanding host and bacterial factors, alongside molecular typing, is key to controlling this important pathogen.
Area of Science:
- Microbiology
- Infectious Diseases
- Epidemiology
Background:
- Staphylococcus aureus is a significant pathogen causing both hospital-acquired (nosocomial) and community-acquired infections.
- The anterior nares serve as a reservoir for S. aureus, facilitating pathogen spread and host susceptibility to infection.
- Nasal carriage of S. aureus is a critical factor in its epidemiology and pathogenesis.
Purpose of the Study:
- To review the prevalence and variability of Staphylococcus aureus nasal carriage.
- To explore host and bacterial factors contributing to nasal carriage.
- To discuss molecular typing techniques and future research directions for controlling S. aureus nasal carriage.
Main Methods:
- Literature review of studies on Staphylococcus aureus nasal carriage.
- Analysis of host-related factors influencing carriage.
- Examination of bacterial factors associated with nasal colonization.
- Overview of molecular typing methods for strain differentiation.
Main Results:
- Nasal carriage of S. aureus is widespread and exhibits significant variability.
- Both host and bacterial factors influence the extent and persistence of nasal carriage.
- Molecular typing techniques reveal strain diversity and transmission patterns.
Conclusions:
- Effective control strategies for S. aureus nasal carriage require a comprehensive understanding of its epidemiology and contributing factors.
- Future research should focus on both fundamental mechanisms and applied interventions, including alternative therapies.
- Policy decisions regarding S. aureus control should consider local ethnic and socioeconomic contexts.
Related Concept Videos
Microbiota of the Respiratory Tract
Staphylococcal Skin Infections
Clinical Significance of Antibiotic Resistance
Nose and Nasal Cavity
Mechanism of Antibiotic Resistance in MRSA
Suctioning the Nasopharyngeal Airway
Equipment Required

