Programmable Cell Growth Control for Unculturable Microorganisms
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Solution Overview
Problem
Current methods struggle to accurately regulate and control the growth of eukaryotic and microbial cells in vitro, particularly for unculturable microorganisms, and to effectively select antimicrobial agents that address specific infections and microbial diversity.
Innovation Solution
An automated system and method for cultivating unculturable bacteria and fungi, using nutrient media with programmed compositions and environmental factor control, allowing for the growth of mixed microbial communities and the evaluation of antimicrobial agents, including the use of magnetic and electromagnetic fields to alter growth rates and interactions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional culture methods are used, then culturable microorganisms can be grown, but previously unculturable microorganisms cannot be obtained
Solution Approach 1:
The patent applies parameter changes by systematically varying multiple culture conditions including temperature (20-40°C), atmosphere (aerobic, anaerobic, microaerophilic), pH (5.0-9.0), and nutrient composition to create optimized culture programs for different microorganism groups. This multi-parameter optimization enables cultivation of previously unculturable microorganisms by finding their specific growth requirements
Solution Approach 2:
The patent implements dynamic culture conditions through stepwise temperature changes, alternating aerobic-anaerobic phases, and progressive nutrient addition. The culture system transitions from static traditional methods to dynamic programmable conditions that adapt to microbial growth stages, enabling cultivation of fastidious microorganisms
2Speed
If broad-spectrum antimicrobial agents are used, then infection treatment can be initiated, but antibiotic resistance develops and treatment duration increases
Solution Approach 1:
The patent performs preliminary antimicrobial susceptibility testing using the same programmable culture system before initiating treatment. By pre-identifying effective antimicrobial agents through in vitro testing under optimized culture conditions, the system enables selection of narrow-spectrum targeted therapy from the start, avoiding broad-spectrum antibiotic use and subsequent resistance development
Solution Approach 2:
The patent establishes a feedback loop where culture results and antimicrobial susceptibility data guide treatment selection. The system continuously monitors treatment response and adjusts therapy based on observed efficacy, ensuring optimal treatment effectiveness while minimizing resistance selection pressure
3Productivity
If automated systems are implemented, then productivity and precision are improved, but device complexity increases
Solution Approach 1:
The patent designs a universal programmable culture system that can cultivate diverse microorganism groups (bacteria, fungi, protozoa) under various conditions (aerobic, anaerobic, different temperatures) using a single automated platform. The system integrates multiple functions including environmental control, nutrient delivery, gas phase management, and automated monitoring, reducing the need for multiple separate specialized devices
Solution Approach 2:
The patent implements automated media preparation and waste management systems that streamline operations. The system automatically prepares culture media, manages consumables, and handles waste disposal, reducing manual intervention complexity while maintaining high productivity. Software automation manages the complex coordination of multiple hardware components
4Measurement precision
If environmental factors are precisely controlled, then growth regulation accuracy is improved, but energy consumption increases
Solution Approach 1:
The patent applies periodic action through cyclic temperature programs, alternating gas phase供应, and pulsed nutrient addition. Rather than maintaining constant extreme conditions, the system uses periodic variations that match microbial growth cycles, achieving precise growth control while reducing energy consumption during non-active phases
Solution Approach 2:
The patent implements local quality control by optimizing environmental parameters specifically for each microorganism group being cultivated. The system can create different micro-environments within the same platform (different temperature zones, gas compositions, pH levels) to match specific microbial requirements, avoiding the energy waste of maintaining uniform suboptimal conditions throughout
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables the growth of previously unculturable bacteria and fungi, facilitates the selection of effective antimicrobial agents, and provides rapid identification of antibiotic efficacy, reducing infection duration and resistance, applicable in biomanufacturing and clinical settings.
Implementation Method 1
the use of magnetic and electromagnetic fields to alter growth rates and interactions
Data Source
AI summary
The invention relates to methods for the flexible regulation of cellular growth of eukaryotic and prokaryotic cells. In particular embodiments, regulation of eucaryotic and microbial cells growth, occurs by the control of their interaction with the environmental factors, nutrient media, media additives, supplements.