Breakthrough in Gene Therapy: Novel Triple Nanocomplex Enhances Microalgal Photosynthesis and Productivity

New research from the Korea Research Institute of Bioscience and Biotechnology has made a significant breakthrough in gene therapy, developing a novel triple nanocomplex system that enables efficient nuclear gene delivery in microalgae. The system, which integrates cell-penetrating peptides, nuclear localization signal peptides, and plasmid DNA, has shown promising results in enhancing microalgal photosynthesis and productivity. The research highlights the potential of this technology to advance microalgal synthetic biology and mitigate climate change.

Key Takeaways:

• The novel triple nanocomplex system consists of cell-penetrating peptides, nuclear localization signal peptides, and plasmid DNA, which allows for simple preparation and efficient nuclear translocation of plasmid DNA.
• The system was evaluated using two cell-penetrating peptides, pVEC-ORI and pVEC-R6A, which demonstrated a 6.88-fold increase in efficiency compared to pVEC-ORI in facilitating intracellular transfer of DNA into wild-type Chlamydomonas reinhardtii cells.
• The optimal CPP:DNA ratio for stable nanocomplex formation was determined to be 5:1 for pVEC-ORI and 10:1 for pVEC-R6A.
• The system has significant potential as a tool to advance microalgal synthetic biology and mitigate climate change by enhancing photosynthesis and productivity in microalgae.
• The research was conducted by a team of scientists from the Korea Research Institute of Bioscience and Biotechnology, including Quynh-Giao Tran, Eun Jeong Sim, Yu Rim Lee, Trang Thi Le, Hyang Ran Yoon, Dong-Yun Choi, Dae-Hyun Cho, Jin-Ho Yun, Hong Il Choi, Hee-Sik Kim, and Yong Jae Lee.

Statistics:

• 6.88-fold increase in efficiency in DNA delivery by pVEC-R6A compared to pVEC-ORI.
• Optimal CPP:DNA ratio of 5:1 for pVEC-ORI and 10:1 for pVEC-R6A.
• Potential of the novel triple nanocomplex system to advance microalgal synthetic biology and mitigate climate change.

Sources:

• NewsRx. Korea Research Institute of Bioscience and Biotechnology Reports Findings in Gene Therapy (Cell-Penetrating Peptide-Based Triple Nanocomplex Enables Efficient Nuclear Gene Delivery in Chlamydomonas reinhardtii). Nanotechnology Weekly. May 26, 2025; p 565.
• "Cell-Penetrating Peptide-Based Triple Nanocomplex Enables Efficient Nuclear Gene Delivery in Chlamydomonas reinhardtii." Biotechnology and Bioengineering, 2025.