Functional "fingerloop" DNA antisense motifs for nucleic acid targeting and detection technologies

The Need: The field of molecular biology and genetic engineering faces challenges in achieving precise and accurate detection and amplification of target nucleic acid sequences. Traditional hybridization technologies suffer from the issue of mismatched targets, leading to reduced specificity and reliability. Additionally, the potential of DNA tools for modulating gene expression and protein stability remains largely untapped. There is a pressing commercial need for new and improved methods that can enhance the detection and amplification of nucleic acids while providing greater control over gene expression and RNA stability.

The Technology: The technology presented in this disclosure involves the use of DNA fingerloop stem loop structures for detecting and amplifying nucleic acids. These structures demonstrate the ability to reduce base pairing with mismatched target nucleic acids, resulting in increased detection specificity. The method involves utilizing detection probes with DNA fingerloop stem loop structures that include an antisense region binding to the target nucleic acid sequence. The technology extends to amplification methods utilizing amplification primers with similar structures. Furthermore, this technology explores chimeric fingerloop DNAs for measuring and modulating protein expression levels and RNA stability, presenting a novel approach in this domain.

Commercial Applications:

  1. Molecular Diagnostics: The technology can be applied in diagnostic assays to detect specific nucleic acid sequences with increased accuracy and specificity. This can revolutionize the field of genetic testing and disease diagnosis, enabling early detection and personalized medicine.

  2. Research Tools: Researchers can utilize this technology for precise gene expression modulation and RNA stability measurement, facilitating advanced studies in molecular biology, gene function, and metabolic pathways.

  3. Biotechnology and Genetic Engineering: The technology's precise nucleic acid detection and amplification capabilities can significantly impact biotechnological applications, including gene editing, gene synthesis, and synthetic biology.


  1. Enhanced Specificity: The DNA fingerloop stem loop structures reduce base pairing to mismatched target nucleic acids, resulting in heightened detection specificity and minimized false positives.

  2. Versatility: The technology is adaptable to various molecular biology applications, such as molecular diagnostics, gene expression studies, and gene manipulation, providing a versatile solution for different research and industrial needs.

  3. Improved Accuracy: Researchers and diagnostic professionals can rely on this technology for accurate and reliable nucleic acid detection and amplification, leading to more robust and precise experimental outcomes.

  4. Novel Gene Modulation Approach: The use of chimeric fingerloop DNAs offers a novel method for measuring and controlling protein expression levels and RNA stability simultaneously, opening new avenues for exploring gene regulation and cellular processes.

  5. Broad Applicability: The technology's compatibility with different cell types, including Escherichia coli, Clostridium acetobutylicum, and Bacillus subtilis, makes it suitable for diverse biological systems and experimental setups.

In conclusion, the cutting-edge technology of DNA fingerloop stem loop structures presents an innovative solution to address the limitations of traditional nucleic acid detection and amplification methods. Its wide range of applications and significant benefits make it a promising tool for advancing molecular biology research, diagnostics, and genetic engineering endeavors.

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