Ab initio DNA synthesis accelerated by endonuclease

Ab initio DNA synthesis accelerated by endonuclease
2006
Xingguo Liang1, Benjamin Chun-Yeung Li2, Kari Jensen2 and Maxim D. Frank-Kamenetskii2
1 Department of Molecular Design and Engineering, Graduate School of Engineering, Nagoya University, Chikusa, Nagoya 464-8603, Japan, 2 Center for Advanced Biotechnology and Department of Biomedical Engineering, Boston University, 36 Cummington Street, Boston, Massachusetts 02215, USA
Nucleic Acids Symposium Series 2006
In the presence of an endonuclease that digests double-stranded DNA, DNA polymerase efficiently synthesizes and amplifies DNA from dNTPs in the absence of any added template and primer nucleic acid. This cut-polymerization DNA synthesis (Cut-grow) can be carried out under a wide range of temperature (4?85?C) by many endonucleases and DNA polymerases. The high efficiency of Cut-grow results from an efficient exponential amplification involving digestion-elongation cycles. Our findings suggest that digestion of nucleic acids may play an important role during the evolution of genetic material for procreating the diversification of genetic information on the early earth.
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