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A new PCR based method for the generation of nested deletions
J M Whitcomb1, A Rashtchian, S H Hughes
1ABL-Basic Research Program, NCI-Frederick Cancer Research and Development Center, MD 21702-1201.
Nucleic Acids Research
|August 25, 1993
Summary
We developed random primed/anchored-PCR (RPA-PCR), a simple method for amplifying and cloning DNA sequences next to known DNA. This technique is useful for DNA sequencing, promoter analysis, and studying gene structures.
Area of Science:
- Molecular Biology
- Genetics
- Biotechnology
Background:
- Cloning DNA fragments adjacent to known sequences is crucial for various molecular biology applications.
- Existing methods can be complex or lack efficiency in certain scenarios.
Purpose of the Study:
- To develop a simple and efficient PCR-based protocol for selective amplification and cloning of adjacent DNA segments.
- To demonstrate the utility of this method for generating DNA deletions for sequencing and other applications.
Main Methods:
- Development of a novel PCR-based protocol termed random primed/anchored-PCR (RPA-PCR).
- Application of RPA-PCR to generate a nested set of deletions for DNA sequencing.
Main Results:
- RPA-PCR enables selective amplification and efficient cloning of DNA sequences adjacent to known sequences.
- The method successfully generated a nested set of evenly spaced deletions suitable for DNA sequencing.
Conclusions:
- RPA-PCR is a versatile and simple technique for various molecular biology applications.
- Potential applications include analysis of eukaryotic promoters, 5' cDNA extension, and cloning of retroviral/transposon insertion sites.