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Related Concept Videos

Protein Networks02:26

Protein Networks

An organism can have thousands of different proteins, and these proteins must cooperate to ensure the health of an organism. Proteins bind to other proteins and form complexes to carry out their functions. Many proteins interact with multiple other proteins creating a complex network of protein interactions.
These interactions can be represented through maps depicting protein-protein interaction networks, represented as nodes and edges. Nodes are circles that are representative of a protein,...
Protein Networks02:26

Protein Networks

An organism can have thousands of different proteins, and these proteins must cooperate to ensure the health of an organism. Proteins bind to other proteins and form complexes to carry out their functions. Many proteins interact with multiple other proteins creating a complex network of protein interactions.
These interactions can be represented through maps depicting protein-protein interaction networks, represented as nodes and edges. Nodes are circles that are representative of a protein,...
Protein-protein Interfaces02:04

Protein-protein Interfaces

Many proteins form complexes to carry out their functions, making protein-protein interactions (PPIs) essential for an organism's survival. Most PPIs are stabilized by numerous weak noncovalent chemical forces. The physical shape of the interfaces determines the way two proteins interact. Many globular proteins have closely-matching shapes on their surfaces, which form a large number of weak bonds. Additionally, many PPIs occur between two helices or between a surface cleft and a polypeptide...
Protein-Protein Interfaces02:04

Protein-Protein Interfaces

Many proteins form complexes to carry out their functions, making protein-protein interactions (PPIs) essential for an organism's survival. Most PPIs are stabilized by numerous weak noncovalent chemical forces. The physical shape of the interfaces determines the way two proteins interact. Many globular proteins have closely-matching shapes on their surfaces, which form a large number of weak bonds. Additionally, many PPIs occur between two helices or between a surface cleft and a polypeptide...
Microbial Interactions: Cooperation01:26

Microbial Interactions: Cooperation

Microbial cooperation involves beneficial interactions in which different species work together for individual or mutual advantage. These interactions can profoundly influence ecological dynamics and evolutionary processes, and they are essential to many pathogenic and symbiotic relationships.Nematode–Bacteria CooperationA striking example is the relationship between the Gram-negative bacterium Xenorhabdus nematophila and the parasitic nematode Steinernema carpocapsae. Juvenile nematodes...
Microbial Interactions: Mutualism01:25

Microbial Interactions: Mutualism

Mutualism is a symbiotic interaction in which all participating organisms benefit. These relationships can be obligate or facultative and are fundamental to ecosystem functions across diverse biological systems.Plant–Fungi MutualismOne well-known example is the association between plant roots and mycorrhizal fungi, such as Rhizophagus species. The fungal hyphae penetrate the root hairs and the epidermis, forming an extensive hyphal network that establishes a symbiotic association. Through this...

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Mapping Bacterial Functional Networks and Pathways in Escherichia Coli using Synthetic Genetic Arrays
14:06

Mapping Bacterial Functional Networks and Pathways in Escherichia Coli using Synthetic Genetic Arrays

Published on: November 12, 2012

Bacterial interactomes: from interactions to networks.

Emmanuelle Bouveret1, Christine Brun

  • 1LISM - CNRS UPR9027, Marseille, France.

Methods in Molecular Biology (Clifton, N.J.)
|December 7, 2011
PubMed
Summary
This summary is machine-generated.

Understanding bacterial protein interactions is key to cell function. This review covers high-throughput techniques like affinity purification-mass spectrometry and two-hybrid assays for studying bacterial protein networks.

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Last Updated: May 26, 2026

Mapping Bacterial Functional Networks and Pathways in Escherichia Coli using Synthetic Genetic Arrays
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Mapping Bacterial Functional Networks and Pathways in Escherichia Coli using Synthetic Genetic Arrays

Published on: November 12, 2012

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Genome-wide Protein-protein Interaction Screening by Protein-fragment Complementation Assay (PCA) in Living Cells
08:38

Genome-wide Protein-protein Interaction Screening by Protein-fragment Complementation Assay (PCA) in Living Cells

Published on: March 3, 2015

Area of Science:

  • Microbiology
  • Molecular Biology
  • Systems Biology

Background:

  • Proteins function within complex cellular machineries.
  • Protein-protein interactions are fundamental to cellular processes.
  • Understanding these interactions is crucial for deciphering cell biology.

Purpose of the Study:

  • To review techniques for studying protein-protein interactions in bacteria.
  • To assess the usability of these methods for high-throughput studies.
  • To summarize published bacterial interactomes and discuss future prospects.

Main Methods:

  • Affinity purification coupled with mass spectrometry (AP-MS) for isolating protein complexes.
  • Two-hybrid (2H) techniques for testing binary protein interactions in reporter cells.
  • Systematic, high-throughput approaches for mapping interaction networks.

Main Results:

  • Detailed presentation of AP-MS and 2H assays for bacterial interactome studies.
  • Summary of existing bacterial interactome datasets.
  • Discussion of the strengths and limitations of current methodologies.

Conclusions:

  • High-throughput techniques are essential for comprehensive bacterial interactome mapping.
  • Continued development and application of these methods will advance our understanding of bacterial cell function.
  • Interactome studies offer significant potential for future research in microbiology.