High throughput quantification of short nucleic acid samples by capillary electrophoresis with automated data...

Area of Science:

• Biochemistry
• Molecular Biology
• Analytical Chemistry

Background:

• Nucleic acid enzyme activity analysis is vital for biotechnology and antiviral drug discovery.
• Traditional slab-gel electrophoresis methods for quantifying DNA/RNA products are slow, low-throughput, and lack accuracy.
• Existing methods present limitations in speed, throughput, and precision for analyzing nucleic acid enzyme kinetics.

Purpose of the Study:

• To optimize high-throughput methods for separating and quantifying short nucleic acid reaction products.
• To adapt DNA sequencing instruments for accurate nucleic acid product quantification.
• To develop a robust system for automated kinetic analysis of nucleic acid enzymes.

Main Methods:

• Utilized capillary electrophoresis with fluorescence detection on DNA sequencing instruments.
• Developed a computer program for data normalization to address inter-capillary migration time variations.
• Achieved single-base resolution without extensive sample preparation.

Main Results:

• Successfully separated and quantified short DNA and RNA reaction products with high throughput.
• Demonstrated the system's utility for quantifying RNA products, extending its application range.
• Validated the accuracy and efficiency of the optimized capillary electrophoresis methods.

Conclusions:

• The developed high-throughput capillary electrophoresis methods significantly improve the speed and accuracy of nucleic acid enzyme analysis.
• These optimized methods are applicable to a wide range of nucleic acid enzymes, facilitating research in biotechnology and drug development.
• The automated kinetic analysis system offers a powerful tool for studying enzyme kinetics with increased sample throughput.