Microbial Community Design via Media Ratios
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Solution Overview
Problem
Current methods for producing microbial communities are costly and labor-intensive, requiring significant investments in equipment, skilled labor, and validation processes for FDA approval, especially when scaling up production for therapeutic applications.
Innovation Solution
The method involves designing media and/or inoculum ratios to control the composition of microbial consortia, allowing for the production of defined microbial communities in a single-vessel community culture. This includes growing microbe subsets separately to carrying capacity in test media with different concentration profiles, determining optimal medium and inoculum density profiles, and using these profiles to generate microbial communities with targeted compositions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If individual monocultures are grown separately and then blended into final product, then the microbial community composition can be controlled, but the production cost and labor requirements increase significantly
Solution Approach 1:
The patent combines multiple microbe subsets into a single community culture vessel, allowing them to grow together in defined media formulations. This merging approach eliminates the need for separate monoculture vessels and blending operations, thereby reducing equipment requirements, labor intensity, and validation complexity while maintaining controlled community composition through media design
2Reliability
If multiple individual processes are validated for FDA approval, then the safety and efficacy can be ensured, but the time and resources required for validation increase
Solution Approach 1:
The patent consolidates multiple validation processes into a single unified validation for the community culture method. By demonstrating that the defined media formulation and inoculum ratios reliably produce the target microbial community composition in a single vessel, the patent reduces the number of separate validation studies needed compared to validating each monoculture process individually, thereby reducing time and resources while maintaining regulatory compliance
3Ease of manufacture
If single-vessel community culture is used, then the production cost and labor can be reduced, but the control over microbial community composition becomes more challenging
Solution Approach 1:
The patent uses defined media formulations with specific concentration profiles of nutrients and growth factors to control the relative growth rates of different microbe subsets. By carefully adjusting media parameters such as carbon source composition, nitrogen sources, and growth factors, the patent achieves precise control over final community composition in the single-vessel culture, overcoming the challenge of composition control while maintaining the cost and labor benefits of simplified production
Data Source
AI summary
The invention is directed to designing the production of microbial communities, methods of producing the microbial communities, and microbial communities produced thereby. The design of the microbial communities can include designing media compositions and/or inoculum ratios to control the makeup of consortia of microbes and thereby result in a defined microbial community composition. The designed media and/or inoculum ratios can be used to generate a microbial community having a defined composition of different microbes.