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Isothermal reactions for the amplification of oligonucleotides

Open access
Van Ness, Jeffrey, Van Ness, Lori K., Galas, David J.·2003·Proceedings of the National Academy of Sciences

Abstract

We have devised a class of isothermal reactions for amplifying DNA. These homogeneous reactions rapidly synthesize short oligonucleotides (8–16 bases) specified by the sequence of an amplification template. Versions of the reactions can proceed in either a linear or an exponential amplification mode. Both of these reactions require simple, constant conditions, and the rate of amplification depends entirely on the molecular parameters governing the interactions of the molecules in the reaction. The exponential version of the reaction is a molecular chain reaction that uses the oligonucleotide products of each linear reaction to create producers of more of the same oligonucleotide. It is a highly sensitive chain reaction that can be specifically triggered by given DNA sequences and can achieve amplifications of >10 6 -fold. Several similar reactions in this class are described here. The robustness, speed, and sensitivity of the exponential reaction suggest it will be useful in rapidly detecting the presence of small amounts of a specific DNA sequence in a sample, and a range of other applications, including many currently making use of the PCR.

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Metadata

Authors
Van Ness, J., Van Ness, L. K., & Galas, D. J.
Venue
Proceedings of the National Academy of Sciences
Published
2003-04-04
Volume
100
Issue
8
Pages
4504-4509
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W4243676002
Cited by
542
References
1
FWCI
0.86
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Isothermal reactions for the amplification of oligonucleotides. https://app.cochat.ai/papers/10.1073/pnas.0730811100
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Van Ness, J., Van Ness, L. K., & Galas, D. J. (2003). Isothermal reactions for the amplification of oligonucleotides. Proceedings of the National Academy of Sciences. https://doi.org/10.1073/pnas.0730811100

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