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Updated: Jun 23, 2026

A Tandem Liquid Chromatography–Mass Spectrometry-based Approach for Metabolite Analysis of Staphylococcus aureus
08:03

A Tandem Liquid Chromatography–Mass Spectrometry-based Approach for Metabolite Analysis of Staphylococcus aureus

Published on: March 28, 2017

[Analysis of protein interaction network and function of Staphylococcus aureus]

Qi Liu1, Chunlei Jiang, Zhengchao Xu

  • 1College of Life Science, Sichuan University, Sichuan Public Experiment Platform of Bioinformatics and Metabolic Engineering, Chengdu 610064, China. liuqi_1984@yahoo.com.cn

Wei Sheng Wu Xue Bao = Acta Microbiologica Sinica
|April 25, 2009
PubMed
Abstract

Insights

This study constructed a protein interaction network for Staphylococcus aureus, revealing key proteins and pathways. This network analysis offers insights into the bacteria

Area of Science:

  • Microbiology
  • Bioinformatics
  • Systems Biology

Context:

  • Staphylococcus aureus is a difficult-to-treat Gram-positive pathogen causing various infections, particularly in healthcare settings.
  • Previous research often focused on single genes or proteins, limiting a comprehensive understanding.
  • A whole-genome approach is crucial for studying this organism's complex biology.

Purpose:

  • To construct and analyze the protein interaction network (PIN) of Staphylococcus aureus.
  • To identify critical proteins and functional modules within the S. aureus interactome.
  • To leverage network properties for understanding pathogenicity and drug discovery.

Summary:

  • Utilized five bioinformatics methods (phylogenetic profile, gene neighbor, operon, gene fusion, interolog) to predict the S. aureus PIN.
  • Constructed the network and analyzed its functional properties, revealing a scale-free topology.
  • Identified key proteins (e.g., SA0939, SA0868, rpID) and important local networks involved in cell wall synthesis and signal transduction.

Impact:

  • The study provides a systems-level view of S. aureus protein interactions.
  • Identified crucial proteins and pathways that can serve as novel therapeutic targets.
  • Facilitates a deeper understanding of the pathogenic mechanisms of Staphylococcus aureus.

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