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Principal Investigator:
Prof Hu SongqingSCUT
Key Words: Enzyme preparations, nucleic acid testing, molecular diagnosis, next generation sequencing

The project team applies principles from molecular biology and structural biology, as well as bioengineering techniques such as genetic engineering and protein engineering, to conduct performance-oriented gene discovery, de novo protein design, and molecular modification of specialized enzymes for molecular diagnostics. It is dedicated to exploring biological enzymes with high catalytic efficiency, stability, and applicability. The project team has been  exploring new high-performance enzymes for PCR, isothermal amplification, and gene sequencing, utilizing optimized buffer systems, as well as working on high-end products that can be applied for  in vitro diagnostics, precision medicine, high-throughput sequencing, food safety testing, animal and plant inspection, quarantine, and life science research.

Potential Applications

The project team has successfully developed a range of tool enzymes such as DNA polymerase, reverse transcriptase, ligase, transposase, and nuclease, as well as over 30 core raw enzymes for DNA/RNA testing and next-generation sequencing, which have been used by leading listed companies such as KingMed Diagnostics Group, Guangzhou Hybribio, and Wens Foodstuff Group. These products play a crucial role in healthcare by assisting in the diagnosis and treatment of infectious diseases, genetic disorders, and tumours. The developed technology and products can be used in  other fields such as animal husbandry, food safety, and life science research.

Value Proposition

Enzyme Preparation Technology:

Drawing on insights from enzyme three-dimensional structures and other biological data, the project team has  established a platform for the ab initio design of enzymes. The platform enables efficient mining and screening of enzymes, directed evolution, and rational transformation. Project team’s technology has reached top world-class level in enzyme catalysis, half-life, stability, robustness, and heat resistance.

Enzymes preparation and application technology:

Utilizing advanced recombinant protein fermentation production, purification, and buffer optimization technologies, the project team has  developed a range of globally recognized and trusted products. These encompass high-throughput sequencing reagents, enzymes for clinical molecular diagnostics, and scientific research reagents. 

Flagship products include:

1. Full range of high-end enzymes and kits for library preparation of next-generation gene sequencing

2. Enzymes for Human Papillomavirus (HPV) nucleic acid detection

3. Premix kits for African swine fever virus (ASFV) detection