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Updated: Jun 1, 2026
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Infinium Assay for Large-scale SNP Genotyping Applications
Published on: November 19, 2013
High throughput tissue preparation for large-scale genotyping experiments.
Tracey A Bodo Slotta1, Lee Brady, Shiaoman Chao
1Plant Science Unit, USDA-ARS, 1605 Albrecht Boulevard, Fargo, ND 58105-5674, USA, Small Grains Research, USDA-ARS, 1605 Albrecht Boulevard, Fargo, ND 58105-5674, USA.
Molecular Ecology Resources
|May 19, 2011
Summary
This study presents a rapid DNA extraction method for large sample sets, ideal for population genetics and breeding. The technique uses silica gel in the field, yielding high-quality DNA without harsh chemicals.
Area of Science:
- Molecular Biology
- Genetics
- Bioinformatics
Background:
- DNA extraction is crucial for genetic studies.
- Existing methods can be time-consuming and require hazardous chemicals.
- Efficient field-collection methods are needed for large-scale genetic screening.
Purpose of the Study:
- To develop a fast and efficient DNA extraction technique suitable for field collection.
- To enable high-throughput sample processing for population genetics, plant breeding, and genetic screening.
Main Methods:
- Samples collected in pre-measured silica gel aliquots in polypropylene blocks.
- Silica gel used for grinding dried tissue, eliminating phenol/chloroform steps.
- DNA quality assessed by amplifying the internal transcribed spacer region.
Main Results:
- Successful DNA extraction from diverse samples (12 plant families, 3 invertebrates, 1 mammal).
- Obtained DNA quantities comparable to or better than existing methods.
- High-quality DNA confirmed by successful PCR amplification.
Conclusions:
- The described method offers a rapid, efficient, and safe approach for DNA extraction from numerous samples.
- This technique is highly applicable for field-based genetic research and breeding programs.
- The method ensures high DNA yield and quality, suitable for downstream genetic analyses.
