Related Experiment Videos
A compilation of soybean ESTs: generation and analysis.
Randy Shoemaker1, Paul Keim, Lila Vodkin
1USDA-ARS, Corn Insect and Crop Genetics Research Unit, and Department of Agronomy, Iowa State University, Ames 50011, USA. rcsshoe@iastate.edu
Genome
|April 19, 2002
Summary
Targeted random-gene sequencing of soybean identified gene expression patterns. This approach offers a productive method for gene discovery in complex plant genomes.
Area of Science:
- Plant Genomics
- Molecular Biology
- Bioinformatics
Background:
- Whole-genome sequencing is essential for understanding organismal genetics.
- The soybean genome's complexity necessitates alternative gene discovery methods.
- Targeted random-gene sequencing offers a productive approach for gene discovery.
Purpose of the Study:
- To evaluate over 120,000 soybean expressed sequence tags (ESTs) for gene discovery.
- To identify correlated patterns of gene expression among libraries and genes.
- To provide insights into the soybean genome's structure, function, and evolution.
Main Methods:
- Analysis of over 120,000 soybean ESTs from 50+ cDNA libraries.
- Coalescence of ESTs into contigs and singletons.
- Identification of gene expression patterns using expression profiles and similarity representations.
Main Results:
- 16,928 contigs and 17,336 singletons were identified.
- Correlated gene expression patterns were discerned using specific library and contig criteria.
- Genes with potentially similar functions were identified based on expression profiles.
Conclusions:
- Targeted random-gene sequencing is an effective strategy for soybean gene discovery.
- The study provides a valuable public resource of gene sequences.
- Insights into soybean genome structure, function, and evolution were gained.