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High-throughput TAIL-PCR as a tool to identify DNA flanking insertions
1Diversa Corporation, San Diego, CA, USA.
Methods in Molecular Biology (Clifton, N.J.)
|September 23, 2003
Summary
High-throughput TAIL-PCR (HT-TAIL-PCR) efficiently amplifies unknown DNA flanking known insertion sites in Arabidopsis. This method enables rapid identification of insertion sites in large genome tagging populations for functional genomics.
Area of Science:
- Molecular Biology
- Genetics
- Plant Science
Background:
- Identifying insertion sites is crucial for functional genomics in plant research.
- Traditional methods for flanking sequence identification can be time-consuming and costly.
Purpose of the Study:
- To describe a high-throughput Thermal Asymmetric Interlaced Polymerase Chain Reaction (HT-TAIL-PCR) method for Arabidopsis.
- To enable fast and cost-effective identification of insertion sites in large genome tagging populations.
Main Methods:
- Utilizes nested, insertion-specific primers with arbitrary degenerate (AD) primers.
- Employs alternating high and low annealing temperature cycles in PCR.
- Involves subsequent rounds of TAIL-PCR with nested primers for increased specificity.
Main Results:
- HT-TAIL-PCR provides a fast and efficient method for amplifying unknown sequences adjacent to known insertion sites.
- The protocol is amenable to high-throughput production, suitable for large-scale functional genomics.
- Direct sequencing of TAIL-PCR products allows for straightforward insertion site identification.
Conclusions:
- HT-TAIL-PCR is a valuable tool for identifying insertion sites in Arabidopsis genome tagging populations.
- The method's efficiency and cost-effectiveness support large-scale functional genomics.
- The protocol can be adapted for use in other organisms.