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DNA polymerases as engines for biotechnology.
S C Hamilton1, J W Farchaus, M C Davis
1Amersham Pharmacia Biotech, Piscataway, NJ, USA.
Biotechniques
|August 23, 2001
Summary
DNA polymerases are crucial enzymes in molecular biology. This review explores their classification, structure, function, and diverse applications, including DNA sequencing and cDNA synthesis.
Area of Science:
- Molecular Biology
- Enzymology
Background:
- DNA polymerases are essential enzymes for DNA replication and repair.
- Classifications are based on amino acid sequences, with ongoing discovery of new enzymes.
- Structural and functional analyses reveal insights into enzyme mechanisms.
Purpose of the Study:
- To review the classification, structure, and function of DNA polymerases.
- To highlight natural and engineered applications of DNA polymerases.
- To discuss the potential for future applications of novel polymerases.
Main Methods:
- Review of existing literature on DNA polymerases.
- Analysis of sequence and structural data.
- Examination of documented applications in molecular biology.
Main Results:
- Several families of DNA polymerases have been identified.
- Natural polymerase activities are used for DNA amplification, labeling, and detection.
- Genetic engineering has produced specialized enzymes for DNA sequencing and cDNA synthesis.
Conclusions:
- DNA polymerases are versatile tools with expanding applications.
- Continued discovery and engineering of polymerases will lead to new uses.
- Understanding polymerase mechanisms is key to innovation in molecular biology.