Related Experiment Video
Updated: Jul 12, 2026
07:28
JUMPn: A Streamlined Application for Protein Co-Expression Clustering and Network Analysis in Proteomics
Published on: October 19, 2021
Cross-species cluster co-conservation: a new method for generating protein interaction networks
Anis Karimpour-Fard1, Corrella S Detweiler, Kimberly D Erickson
1Center for Computational Pharmacology, University of Colorado School of Medicine, Aurora, Colorado 80045, USA.
Genome Biology
|September 7, 2007
Summary
We developed cross-species cluster co-conservation (CCC) to predict protein interactions across multiple species. This novel method expands traditional CCC, enabling broader functional relationship discovery in comparative genomics.
Area of Science:
- Bioinformatics
- Computational Biology
- Systems Biology
Background:
- Co-conservation, using phylogenetic profiles, is a key method for predicting protein functional relationships.
- Existing cluster co-conservation (CCC) methods build protein interaction networks within single species.
- Previous CCC approaches were limited to intra-species analyses, restricting broader biological insights.
Purpose of the Study:
- To extend cluster co-conservation (CCC) for predicting protein interactions across multiple species.
- To introduce cross-species cluster co-conservation (CS-CCC) for enhanced network analysis.
- To enable the identification of conserved functional relationships beyond single-species limitations.
Main Methods:
- Applied phylogenetic profiles to identify co-conserved protein pairs across diverse species.
- Developed a novel cross-species cluster co-conservation (CS-CCC) algorithm.
- Integrated multiple species data to construct comprehensive protein-protein interaction networks.
Main Results:
- Successfully extended CCC to a cross-species framework (CS-CCC).
- Demonstrated the capability of CS-CCC to identify conserved protein interactions across different organisms.
- Generated novel insights into inter-species protein functional associations.
Conclusions:
- Cross-species cluster co-conservation (CS-CCC) significantly enhances the prediction of functional protein relationships.
- This expanded CCC approach provides a powerful tool for comparative genomics and systems biology research.
- CS-CCC opens new avenues for understanding conserved biological mechanisms through protein interaction networks.
Related Concept Videos
02:26Protein 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,...
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,...
02:26Protein 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,...
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,...
02:04Protein-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...
02:04Protein-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...
02:26Conservation of Protein Domains Over Different Proteins
Protein domains are small structurally independent units that are part of a single amino acid chain. Although these domains are often structurally independent, they may rely on synergistic effects to perform their functions as part of a larger protein. Protein domains may be conserved within the same organism, as well as across different organisms.
A limited set of protein domains often duplicate and recombine during evolution. These domains can be organized in different combinations to form...
A limited set of protein domains often duplicate and recombine during evolution. These domains can be organized in different combinations to form...
02:26Conservation of Protein Domains
Protein domains are small structurally independent units that are part of a single amino acid chain. Although these domains are often structurally independent, they may rely on synergistic effects to perform their functions as part of a larger protein. Protein domains may be conserved within the same organism, as well as across different organisms.
A limited set of protein domains often duplicate and recombine during evolution. These domains can be organized in different combinations to form...
A limited set of protein domains often duplicate and recombine during evolution. These domains can be organized in different combinations to form...