DNA Origami in the Quest for Membrane Piercing

Area of Science:

• Biotechnology
• Nanotechnology
• Molecular Biology

Background:

• Nanopore-based technologies have expanded capabilities in label-free single-molecule sensing, nucleic acid sequencing (DNA, RNA, protein), and diagnostics.
• Diverse nanopore sources are utilized, including biological, solid-state, hybrid, and synthetic ion-like channels.
• DNA nanotechnology, particularly DNA origami, allows for the precise assembly of complex 3D nanostructures, including nanopores with controlled dimensions.

Purpose of the Study:

• To review the construction of nanopores using DNA nanotechnology for biosensing.
• To summarize DNA-based nanopore designs and their sensing properties.
• To explore RNA nanopores for peptide sensing applications.

Main Methods:

• Utilizing DNA nanotechnology, including DNA origami, to construct individual nanopores.
• Integrating DNA nanopores into lipid-based systems or solid-state devices and nanocapillaries.
• Investigating the design principles of DNA and RNA nanopores for sensing applications.

Main Results:

• DNA origami enables precise control over nanopore size and shape for enhanced biosensing.
• Hybrid architectures combining DNA nanopores with solid-state devices or nanocapillaries improve sensing functions.
• Various DNA-based nanopore designs exhibit distinct sensing properties.

Conclusions:

• DNA nanotechnology offers a versatile platform for creating custom nanopores for advanced single-molecule analysis.
• DNA and RNA nanopores hold significant potential for label-free biosensing and sequencing applications.
• Further development of these DNA-based nanostructures can drive innovation in biotechnology and diagnostics.