RPI ID: 2023-070-301
Innovation Summary: This technology enables the recombinant production of silk proteins using Bacillus megaterium as a secretion host. The system leverages the bacterium’s natural secretion pathways to produce and release silk proteins extracellularly, simplifying downstream purification. The method supports scalable production of high-strength, biocompatible silk materials. It is optimized for industrial biotechnology applications requiring sustainable and efficient protein expression.
Challenges / Opportunities: Traditional silk production methods are limited by low yields and complex extraction from silkworms or spiders. This invention addresses the need for scalable, recombinant alternatives that reduce cost and improve consistency. It opens opportunities for biofabrication of silk-based materials in medical, textile, and industrial sectors. The approach also supports genetic engineering of silk variants with tailored properties.
Key Benefits / Advantages: ✔ Efficient extracellular secretion of silk proteins ✔ Scalable recombinant production platform ✔ Reduces purification complexity and cost ✔ Enables bioengineered silk variants ✔ Suitable for industrial and biomedical applications
Applications: • Biomanufacturing of silk for medical devices, textiles, and composites
Keywords: Silk proteins, recombinant expression, Bacillus megaterium, biofabrication, protein secretion, industrial biotechnology
Intellectual Property: WO2024229349A1 (Application PCT/US2024/027669), Published May 3, 2024