Related Experiment Video
Updated: May 31, 2026

05:37
Label-Free Quantitative Proteomics Workflow for Discovery-Driven Host-Pathogen Interactions
Published on: October 20, 2020
A proteomic view of the host-pathogen interaction: The host perspective
Anetta Hartlova1, Zuzana Krocova, Lukas Cerveny
1Centre of Advanced Studies, Faculty of Military Health Sciences, University of Defence, Hradec Kralove, Czech Republic.
Proteomics
|July 5, 2011
Summary
Understanding host-pathogen interactions is key to fighting infections. This review explores how proteomics can identify host targets for new antimicrobial therapies against bacterial pathogens.
Area of Science:
- Microbiology
- Immunology
- Proteomics
Background:
- Host-pathogen interactions are complex, with outcomes depending on pathogen virulence and host defenses.
- Bacterial pathogens utilize diverse strategies to overcome host immunity, often sharing common mechanisms.
- Host factors exploited by pathogens are emerging as crucial targets for antimicrobial drug development.
Purpose of the Study:
- To review the utility of proteomics in understanding host-pathogen interactions.
- To highlight the host's perspective in defining these interactions.
- To explore novel antimicrobial targeting strategies.
Main Methods:
- Literature review focusing on proteomics studies of host-pathogen interactions.
- Analysis of shared mechanisms employed by bacterial pathogens.
- Identification of host effector proteins crucial for pathogen survival.
Main Results:
- Proteomics offers a powerful approach to dissect host responses during infection.
- Key host proteins involved in pathogen entry, survival, and replication can be identified.
- This host-centric view provides a new paradigm for antimicrobial intervention.
Conclusions:
- Proteomics is instrumental in elucidating host-pathogen dynamics.
- Targeting host factors offers a promising strategy to combat bacterial infections.
- Further research using proteomics will advance antimicrobial therapies.
Related Concept Videos
Microbial Interactions: Parasitism
Parasitism is a form of microbial interaction in which parasitic microbes exploit a host organism for nutrients and shelter, often at the host's expense. Unlike mutualistic relationships, where both organisms benefit, parasitism benefits only the parasite and harms the host.Classification of ParasitesMicrobial parasites are broadly classified based on their location relative to the host.Ectoparasites remain on the host’s surface, such as the skin or outer tissues, drawing nutrients...
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...
Human Virome
The human body harbors a vast and diverse viral community known as the human virome. The virome includes bacteriophages that infect bacteria, and eukaryotic viruses that infect human cells. Transient dietary and environmental viruses also contribute to this dynamic ecosystem. Estimates suggest the human body may contain on the order of 10¹³ viral particles, though abundance varies widely by body site and detection method.Comprehensive characterization of the virome has become possible only with...
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...
Malaria
Malaria pathogenesis in humans reflects a delicate interplay between parasite biology and host response. Clinical illness reflects a host’s immune response to the parasite’s asexual replication cycle, which is often asymptomatic in individuals with partial immunity. From the parasite's perspective, transmission between mosquito and human with minimal host pathology is evolutionarily advantageous. Among the six Plasmodium species infecting humans, P. falciparum and P. vivax dominate in global...
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...
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...

