Low-cost hydrophobin protein production for microbial stabilization
Innovative buoyancy-based method for ultra-low-cost production of hydrophobin proteins to stabilize sensitive microbes, enhancing their resilience against environmental stresses like desiccation and UV exposure.
Overview
The proposed solution leverages a novel buoyancy-based protein isolation method to produce hydrophobin proteins at ultra-low costs, aimed at stabilizing sensitive microbes. These proteins, BslA and HFBI, naturally form protective amphipathic layers around biofilms, providing a hydrophobic barrier that shields microbes from environmental stresses such as desiccation, heat, and UV exposure. The technology promises to enhance microbial resilience, potentially benefiting industries reliant on stable bacterial cultures, such as agriculture, bioremediation, and pharmaceuticals.
Technical specifications
Key features:
- Hydrophobin Variants: Utilizes BslA expressed in E. coli and HFBI expressed in Pichia pastoris for stable amphipathic layer formation.
- Buoyancy-based Isolation: A genetically designed method to isolate proteins via engineered gas vesicles, enhancing yield and reducing production costs.
- Microbial Stabilization: Evaluates the effectiveness of hydrophobins in protecting gram-negative bacteria under stress conditions.
Technology readiness level
This technology is currently at Technology Readiness Level 2, where the concept and application have been formulated and initial prototype development is underway. Future validation will focus on optimizing production efficiency and conducting microbial stabilization trials.
About Rice University
Rice University is a private research university in Houston recognized for small scale and intensive research. Industry engages through on-campus design and prototyping facilities and multi-tenant research space adjacent to the Texas Medical Center, enabling clinical collaboration and rapid validation. A university-backed innovation district in central Houston links corporate R&D with faculty labs, startups, and talent, and proximity to the Energy Corridor and NASA’s Johnson Space Center provides access to regional clusters. Research is supported by competitive federal funding from agencies such as NSF, NIH, DOE, NASA, and DoD. A dedicated technology transfer office supports IP strategy, licensing, startup formation, and streamlined sponsored research agreements.
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