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Determining Genetic Expression Profiles in C. elegans Using Microarray and Real-time PCR
Published on: July 30, 2011
Genomic analysis of gene expression in C. elegans
A A Hill1, C P Hunter, B T Tsung
1Department of Genomics, Genetics Institute, Cambridge, MA 02140, USA. ahill@genetics.com
Science (New York, N.Y.)
|October 29, 2000
Summary
This study quantifies gene expression in the nematode Caenorhabditis elegans across its development. It reveals shifts in gene expression from conserved to worm-specific genes, aiding in the analysis of uncharacterized genes.
Area of Science:
- Developmental biology
- Genomics
- Molecular biology
Background:
- Genome-wide transcriptional profiling was previously limited to single-cell organisms.
- The nematode Caenorhabditis elegans is a well-studied metazoan model organism.
Purpose of the Study:
- To quantitate gene expression throughout C. elegans development.
- To estimate the number of expressed genes in C. elegans.
- To identify relationships between gene function and expression patterns.
Main Methods:
- Utilized oligonucleotide arrays for gene expression monitoring.
- Performed genome-wide transcriptional profiling on C. elegans.
- Analyzed gene expression across different developmental stages.
Main Results:
- Provided an estimate of the total number of expressed genes in C. elegans.
- Identified correlations between gene function and expression levels.
- Observed a developmental shift from conserved to C. elegans-specific gene expression.
Conclusions:
- The study successfully extended genome-wide transcriptional profiling to a multicellular organism.
- Findings offer insights into the functional roles of uncharacterized C. elegans genes.
- Developmental gene expression patterns in C. elegans involve a transition towards organism-specific genes.
