Related Experiment Video
Updated: Jul 17, 2026
05:22
Analyzing Multifactorial RNA-Seq Experiments with DiCoExpress
Published on: July 29, 2022
[Multiple analysis of the relationship between correlation of gene function and expression by GeneHub software]
Chenguang Wang1, Zheng Guo, Xia Li
1Department of Bioinformatics, Harbin Medical University, Harbin 150086, China.
Summary
GeneHub software identifies co-expressed genes within functional groups, supporting the principle that functionally related genes show similar expression patterns. This aids in selecting relevant gene functional units for experiments.
Area of Science:
- Bioinformatics
- Computational Biology
- Genomics
Context:
- Gene expression profiling is crucial for understanding biological processes.
- Identifying co-expressed genes aids in functional gene analysis.
- Existing methods may not fully leverage diverse functional classifications.
Purpose:
- To introduce GeneHub software for analyzing gene expression similarity.
- To evaluate the significance of co-expression within various gene functional units.
- To validate the assumption that functionally related genes exhibit similar expression patterns.
Summary:
- GeneHub software was used to analyze gene expression correlation across multiple functional classifications (chromosome location, cellular location, pathways).
- Analysis utilized different expression similarity measures and experimental datasets.
- Genes grouped by function consistently showed significant co-expression related to experimental conditions.
Impact:
- Provides evidence supporting the widely adopted assumption of similar expression for functionally related genes.
- Enhances the selection of relevant gene functional units in gene expression analysis.
- Offers a valuable tool for researchers in genomics and bioinformatics.
Related Concept Videos
02:34DNA Microarrays
Microarrays are high-throughput and relatively inexpensive assays that can be automated to analyze large quantities of data at a time. They are used in genome-wide studies to compare gene or protein expression under two varied conditions, such as healthy and diseased states. Microarrays consist of glass or silica slides on which probe molecules are covalently attached through surface functionalization. Most commonly, the slides are prepared through the chemisorption of silanes to silica...
01:36What is Gene Expression?
A gene is a stretch of DNA that serves as the blueprint for functional RNAs and proteins. Since DNA is comprised of nucleotides and proteins are comprised of amino acids, a mediator is required to convert the information encoded in DNA into proteins. This mediator is the messenger RNA (mRNA). mRNA copies the blueprint from DNA by a process called transcription. In eukaryotes, transcription occurs in the nucleus by complementary base-pairing with the DNA template. The mRNA is then processed and...
01:42What is Gene Expression?
Overview
Gene expression is the process in which DNA directs the synthesis of functional products, that is, proteins. Cells can regulate gene expression at various stages. It allows organisms to generate different cell types and enables cells to adapt to internal and external factors.
Genetic Information Flows from DNA to RNA to Protein
A gene is a stretch of DNA that serves as the blueprint for functional RNAs and proteins. Since DNA is made up of nucleotides and proteins consist of amino...
Gene expression is the process in which DNA directs the synthesis of functional products, that is, proteins. Cells can regulate gene expression at various stages. It allows organisms to generate different cell types and enables cells to adapt to internal and external factors.
Genetic Information Flows from DNA to RNA to Protein
A gene is a stretch of DNA that serves as the blueprint for functional RNAs and proteins. Since DNA is made up of nucleotides and proteins consist of amino...
01:42What is Gene Expression?
Overview
Gene expression is the process in which DNA directs the synthesis of functional products, that is, proteins. Cells can regulate gene expression at various stages. It allows organisms to generate different cell types and enables cells to adapt to internal and external factors.
Genetic Information Flows from DNA to RNA to Protein
A gene is a stretch of DNA that serves as the blueprint for functional RNAs and proteins. Since DNA is made up of nucleotides and proteins consist of amino...
Gene expression is the process in which DNA directs the synthesis of functional products, that is, proteins. Cells can regulate gene expression at various stages. It allows organisms to generate different cell types and enables cells to adapt to internal and external factors.
Genetic Information Flows from DNA to RNA to Protein
A gene is a stretch of DNA that serves as the blueprint for functional RNAs and proteins. Since DNA is made up of nucleotides and proteins consist of amino...
01:23Regulation of Expression at Multiple Steps
The gene expression in cells is regulated at different stages: (i) transcription, (ii) RNA processing, (iii) RNA localization, and (iv) translation. Transcriptional regulation is mediated by regulatory proteins such as transcription factors, activators, or repressors—these control gene expression by initiating or inhibiting the transcription of genes. Once a precursor or pre-mRNA is produced, it undergoes post-transcriptional modification, including 5' capping, splicing, and the addition of a...