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Simple, Affordable, and Modular Patterning of Cells using DNA
Published on: February 24, 2021
Flow cytometry for enrichment and titration in massively parallel DNA sequencing
Julia Sandberg1, Patrik L Ståhl, Afshin Ahmadian
1School of Biotechnology, Division of Gene Technology, AlbaNova University Center, Royal Institute of Technology, 106 91 Stockholm, Sweden.
Nucleic Acids Research
|March 24, 2009
Summary
Fluorescence Activated Cell Sorting (FACS) offers a cost-effective method to optimize DNA-to-bead ratios for massively parallel DNA sequencing. This approach improves sample purity and reduces the need for expensive pilot sequencing in genomics research.
Area of Science:
- Genomics
- Molecular Biology
- Biotechnology
Background:
- Massively parallel DNA sequencing technologies are advancing life sciences research.
- Current sequencing protocols involve substantial reagent costs and labor.
- Existing sample titration methods can be inefficient and costly.
Purpose of the Study:
- To introduce Fluorescence Activated Cell Sorting (FACS) as an alternative to traditional sample titration protocols for the Roche/454 sequencing system.
- To demonstrate a method for accurately determining optimal DNA-to-bead ratios prior to large-scale sequencing.
- To showcase FACS for enriching DNA-carrying beads and improving sample purity for sequencing.
Main Methods:
- Utilizing Fluorescence Activated Cell Sorting (FACS) technology.
- Determining optimal DNA-to-bead ratios for sequencing library preparation.
- Employing FACS for automated enrichment of beads carrying template DNA.
Main Results:
- FACS provides accurate DNA-to-bead ratios, bypassing limitations of current quantification and sedimentation methods.
- The method eliminates the need for costly pilot sequencing during titration.
- FACS effectively enriches beads with template DNA, nearly eliminating empty beads without compromising sequencing quality.
Conclusions:
- Automated enrichment using FACS is a simple, efficient, and low-cost alternative for preparing pure samples for bead-based sequencing systems.
- FACS technology significantly improves the sample preparation workflow for massively parallel DNA sequencing.
- This method enhances the accessibility and efficiency of genomics research by reducing costs and labor.
