Ultrafast and Accurate DNA Storage and Reading Integrated System Via Microfluidic Magnetic Beads Polymerase Chain...

Area of Science:

• Biotechnology
• Data Storage
• Microfluidics

Background:

• Electronic data storage faces limitations with massive data growth in the big data era.
• Efficient and reliable data retrieval is critical for the practicality of DNA data storage.
• Current DNA storage methods struggle with fast and accurate readout capabilities.

Purpose of the Study:

• To develop an integrated system for fast and accurate DNA data storage and retrieval.
• To address the challenges of readout speed, accuracy, and reproducibility in DNA storage systems.
• To enhance the practicality and reliability of DNA-based big data management.

Main Methods:

• Construction of a novel integrated system using homemade microfluidic PCR and DNA magnetic beads (MMBP).
• Development of MMBP for random access DNA storage with short time and low bias.
• Utilizing MMBP for DNA storage and reading, enabling faster and more accurate information retrieval.

Main Results:

• The MMBP-based DNA information storage system (MMBP-DIS) demonstrated reduced costs and random access times (down to 10 minutes).
• The system achieved improved reading accuracy and sensitivity compared to traditional PCR methods.
• The system exhibited stability, reproducibility, and low bias in DNA storage and retrieval.

Conclusions:

• The MMBP-based DNA information storage system offers a significant advancement in fast, accurate, and cost-effective DNA data storage.
• This integrated system overcomes key limitations in current DNA storage readout capabilities.
• Future integration with DNA electrochemical synthesis could lead to portable devices for end-to-end DNA data management.