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Related Concept Videos

Proteomics01:33

Proteomics

A proteome is the entire set of proteins that a cell type produces. We can study proteomes using the knowledge of genomes because genes code for mRNAs, and the mRNAs encode proteins. Although mRNA analysis is a step in the right direction, not all mRNAs are translated into proteins.
Proteomics is the study of proteomes' function. It involves the large-scale systematic study of the proteome to denote the protein complement expressed by a genome. Scientist Mark Wilkins coined the term proteomics...
Rapid Identification of Pathogens01:25

Rapid Identification of Pathogens

MALDI-TOF MS has transformed clinical microbiology by offering a rapid and reliable method for pathogen identification. The traditional approach to microbial identification typically involves time-consuming culture techniques and biochemical tests, which can delay the initiation of appropriate antimicrobial therapy. MALDI-TOF MS avoids these delays by using characteristic ribosomal protein mass patterns of microbial cells, enabling accurate species-level identification within minutes.Principle...
The Proteasome01:13

The Proteasome

Eukaryotic cells can degrade proteins through several pathways. One of the most important among these is the ubiquitin-proteasome pathway. It helps the cell eliminate the misfolded, damaged, or unwarranted cytoplasmic proteins in a highly specific manner.
In this pathway, the target proteins are first tagged with small proteins called ubiquitin. This involves participation of a series of enzymes including— E1 (ubiquitin-activating enzyme), E2 (ubiquitin-conjugating enzyme), and E3 (ubiquitin...
The Proteasome02:18

The Proteasome

Eukaryotic cells can degrade proteins through several pathways. One of the most important amongst these is the ubiquitin-proteasome pathway. It helps the cell eliminate the misfolded, damaged, or unwarranted cytoplasmic proteins in a highly specific manner.
In this pathway, the target proteins are first tagged with small proteins called ubiquitin. A series of enzymes carry out the ubiquitination of the target proteins - E1 (ubiquitin-activating enzyme), E2 (ubiquitin-conjugating enzyme), and E3...
Colonisation of Pathogens01:25

Colonisation of Pathogens

Pathogen colonization of host tissues is a critical step in the development of infectious diseases. Various pathogenic microorganisms, including bacteria, fungi, viruses, and protozoa, have evolved complex strategies to attach to, invade, and persist within host environments. These mechanisms enable pathogens to establish infections, evade immune responses, and resist antimicrobial treatments.Attachment to Host CellsIn bacteria, colonization typically begins with adherence to host epithelial...
Determinants of Bacterial Pathogenicity and Virulence01:20

Determinants of Bacterial Pathogenicity and Virulence

Pathogenic bacteria employ a variety of strategies to establish infections, including the secretion of extracellular enzymes that act as potent virulence factors. These enzymes facilitate bacterial colonization of host tissues and help evade immune surveillance. By targeting structural components of host tissues and interfering with immune mechanisms, these enzymes play a pivotal role in disease progression.Extracellular Enzymes Facilitating Tissue Invasion: Several bacterial pathogens secrete...

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Related Experiment Video

Updated: Jun 26, 2026

Label-Free Quantitative Proteomics Workflow for Discovery-Driven Host-Pathogen Interactions
05:37

Label-Free Quantitative Proteomics Workflow for Discovery-Driven Host-Pathogen Interactions

Published on: October 20, 2020

"Pathogeno-proteomics".

Philippe Holzmuller1, Pascal Grébaut, Jean-Paul Brizard

  • 1CIRAD UMR 17 [UMR 177 IRD-CIRAD], Montpellier, France. philippe.holzmuller@cirad.fr

Annals of the New York Academy of Sciences
|January 6, 2009
PubMed
Summary
This summary is machine-generated.

Longitudinal genomic, transcriptomic, and proteomic studies are crucial for understanding host-pathogen interactions and controlling diseases. Proteomics tools enable the creation of protein-protein interaction networks for novel interference strategies.

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Subtyping of Campylobacter jejuni ssp. doylei Isolates Using Mass Spectrometry-based PhyloProteomics (MSPP)
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Subtyping of Campylobacter jejuni ssp. doylei Isolates Using Mass Spectrometry-based PhyloProteomics (MSPP)

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Identification of Antibacterial Immunity Proteins in Escherichia coli using MALDI-TOF-TOF-MS/MS and Top-Down Proteomic Analysis
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Identification of Antibacterial Immunity Proteins in Escherichia coli using MALDI-TOF-TOF-MS/MS and Top-Down Proteomic Analysis

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Subtyping of Campylobacter jejuni ssp. doylei Isolates Using Mass Spectrometry-based PhyloProteomics (MSPP)

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Published on: May 23, 2021

Area of Science:

  • Biochemistry
  • Genomics
  • Proteomics
  • Bioinformatics
  • Immunobiology
  • Ecology
  • Evolutionary Biology

Background:

  • Genomic and transcriptomic data have advanced understanding of gene functions.
  • The postgenomic era necessitates advanced tools for studying gene product localization, function, and interactions.
  • Proteomics offers diverse methods for investigating complex biological systems.

Purpose of the Study:

  • To explain biochemical host-vector-pathogen interactions using multi-omics data.
  • To contribute to disease control strategies through a deeper understanding of these interactions.
  • To explore the application of proteomics in cell immunobiology, ecology, evolution, and population biology.

Main Methods:

  • Longitudinal genomic, transcriptomic, and proteomic studies.
  • Development of proteomic and bioinformatics tools.
  • Identification of gene product locations, functions, and interactions.
  • Construction of protein-protein interaction networks.
  • In silico analysis of biological entities (interactomes).

Main Results:

  • Proteomics tools can resolve complex issues in host-vector-pathogen interactions.
  • These tools facilitate the study of ecological, evolutionary, and adaptive processes.
  • The development of interactome modeling provides new avenues for disease control.
  • Potential pitfalls in experimental design and data analysis were noted.

Conclusions:

  • Multi-omics data, particularly from proteomics, are vital for understanding host-pathogen dynamics.
  • Proteomics enables the modeling of complex biological interactions for strategic disease intervention.
  • Further development and careful application of these tools are essential for advancing biological research and disease control.