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A Tandem Liquid Chromatography–Mass Spectrometry-based Approach for Metabolite Analysis of Staphylococcus aureus
Published on: March 28, 2017
Proteomic approaches to study Staphylococcus aureus pathogenesis
Patrice François1, Alexander Scherl, Denis Hochstrasser
1Genomic Research Laboratory, Service of Infectious Diseases, Department of Internal Medicine, Geneva University and Geneva University Hospitals, 1211 Geneva 14, Switzerland.
Abstract:
Staphylococcus aureus is an important human and veterinary pathogen that causes a wide variety of infections ranging from benign skin infections to life threatening diseases. Recently, important changes in the epidemiology have been reported demonstrating that S. aureus, and particularly its methicillin-resistant variant, is now recognized as a ubiquitous pathogen responsible for both, hospital- and community-acquired infections. In these settings, the bacterium is responsible for various acute or chronic diseases and shows particular ability to adapt its metabolism to major environmental changes. Despite the fact that S. aureus infections are common worldwide, the factors triggering the different steps of infection (colonization, expression of virulence factors, invasion of host tissues, and persistence in hostile environments) are not fully characterized. Over the last decade highly parallel methods of analysis led to the release of whole genome sequences of numerous pathogenic bacteria. These efforts coupled to the parallel improvements of proteomic procedures permitted to study S. aureus transcriptome or proteome at the organism level. This now provides a sound basis for a comprehensive understanding of bacterial metabolism, adaptability to environment and pathogenicity mechanisms. This review summarizes the impact of proteomic on our comprehension of S. aureus virulence and pathogenesis.
Insights
Staphylococcus aureus, a versatile pathogen, causes diverse infections. Proteomic studies enhance understanding of its virulence and adaptability, crucial for combating S. aureus infections.
Area of Science:
- Microbiology
- Pathogen Research
- Bacterial Pathogenesis
Background:
- Staphylococcus aureus is a significant human and veterinary pathogen causing diverse infections.
- Epidemiological shifts highlight its ubiquitous nature in hospital- and community-acquired infections, including methicillin-resistant strains.
- Understanding S. aureus's adaptability and virulence factors is critical due to its global prevalence.
Purpose of the Study:
- To review the impact of proteomic technologies on understanding Staphylococcus aureus virulence.
- To elucidate the mechanisms behind S. aureus infection steps: colonization, virulence factor expression, invasion, and persistence.
- To provide a comprehensive overview of bacterial metabolism, environmental adaptability, and pathogenicity.
Main Methods:
- Analysis of whole genome sequences of pathogenic bacteria.
- Application of advanced proteomic procedures to study S. aureus transcriptome and proteome.
- Literature review summarizing proteomic insights into S. aureus virulence and pathogenesis.
Main Results:
- Proteomic approaches offer a basis for understanding S. aureus metabolism and adaptability.
- These methods facilitate detailed study of virulence factor expression and pathogenicity mechanisms.
- The review consolidates current knowledge on proteomic contributions to S. aureus research.
Conclusions:
- Proteomics has significantly advanced our comprehension of Staphylococcus aureus virulence.
- Understanding bacterial adaptability and pathogenicity through proteomics is key to developing effective treatments.
- Continued proteomic research is essential for addressing the challenges posed by S. aureus infections.
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