Continuous biomanufacturing with microbes - upstream progresses and challenges.

Area of Science:

• Biotechnology
• Biochemical Engineering
• Industrial Microbiology

Background:

• Current biomanufacturing predominantly uses batch or fed-batch processes, limiting productivity and failing to exploit the full potential of modern engineered microbes.
• These traditional methods are insufficient for high-yield and cost-effective manufacturing of fermentation products.

Purpose of the Study:

• To review the challenges and strategies for implementing continuous biomanufacturing using microbial systems.
• To highlight advancements in strain design and process engineering for next-generation biomanufacturing.

Main Methods:

• Discussion of key challenges: contamination risk, long-term genetic stability, and achieving simultaneous high product titer, rate, and yield.
• Exploration of strategies such as decoupling cell growth from product formation and utilizing modeling approaches.
• Consideration of novel strain designs and process engineering, including artificial intelligence integration.

Main Results:

• Continuous biomanufacturing is identified as the future direction for efficient fermentation product manufacturing.
• Strategies are proposed to address critical challenges in microbial continuous biomanufacturing.
• Integration of AI and advanced strain engineering are key for intelligent biomanufacturing.

Conclusions:

• Continuous biomanufacturing is essential for advancing high-yield, low-cost production of fermentation products.
• Addressing genetic stability, contamination, and optimizing product formation are crucial for successful implementation.
• Future directions involve intelligent, next-generation continuous biomanufacturing through AI and novel engineering approaches.