What question did this study set out to answer?

To determine whether replacing the natural deoxyribose phosphate backbone of DNA with an achiral polyamide backbone yields oligomers capable of sequence-specific recognition of double-stranded DNA.

December 6, 1991Science

Sequence-Selective Recognition of DNA by Strand Displacement with a Thymine-Substituted Polyamide

View Full Paper

Ask AI

Bookmark

Authors

PNPeter E. NielsenUniversity of Copenhagen MMMichael D. MillerPall Corporation (United States)RBRolf H. BergTechnical University of Denmark

Discussion

Member takes

Implication

In vitro study demonstrates sequence-selective strand displacement in double-stranded DNA using polyamide nucleic acids, suggesting viable alternatives to natural genetic backbones.

Key Points

To determine whether replacing the natural deoxyribose phosphate backbone of DNA with an achiral polyamide backbone yields oligomers capable of sequence-specific recognition of double-stranded DNA.
Designed a polyamide nucleic acid computationally by substituting the deoxyribose phosphate backbone of DNA with an achiral polyamide backbone.
Synthesized oligomers composed of thymine-linked aminoethylglycyl units to test hybridization with complementary targets in double-stranded DNA.
Thymine-substituted polyamide oligomers recognized their complementary target sequences in double-stranded DNA via strand displacement.
Hybrids formed between the polyamide oligomer and DNA exhibited high binding stability while retaining base-specific hybridization.

Cite This Study

Nielsen et al. (1991) studied this question.

synapsesocial.com/papers/6984e2034612e474968ecaa4 https://doi.org/10.1126/science.1962210

View Full Paper

Ask AI

Bookmark

Implication

In vitro study demonstrates sequence-selective strand displacement in double-stranded DNA using polyamide nucleic acids, suggesting viable alternatives to natural genetic backbones.

Sequence-Selective Recognition of DNA by Strand Displacement with a Thymine-Substituted Polyamide

Discussion

Member takes

Implication

Key Points

Cite This Study

Sequence-Selective Recognition of DNA by Strand Displacement with a Thymine-Substituted Polyamide

Discussion

Member takes

Implication

Key Points

Cite This Study

Also Consider

Also Consider