一个单一用途的技术平台:如何使用Pichia pastoris建立生物处理
Melanie Ottinger1, Jason Brown2
1daspool, Wädenswil, Switzerland.
Methods in molecular biology (Clifton, N.J.)
|October 1, 2025
概括
单次使用发酵器 (SUF) 现在可以有效地培养Pichia pastoris,满足苛刻的生物工艺需求. 本指南优化了Pichia pastoris种植的实验室规模的SUF操作,提高了效率和有效性.
科学领域:
- 生物技术是生物技术.
- 微生物生物加工 微生物生物加工
- 单一用途的系统.
背景情况:
- 单次使用技术 (SUT) 提供了诸如低污染率 (约1%) 等优势.
- 皮奇亚牧草生物过程存在独特的挑战 (混合,氧气,热传递),限制了它们在传统生物反应器中的使用.
- 这些苛刻的要求阻碍了将Pichia pastoris转移到一次性使用系统.
研究的目的:
- 为了提供一个全面的指南,培养Pichia pastoris在一个特定的一次性混合生物反应器 (HyPerformaTM SUF).
- 在实验室规模的SUF操作中提供针对Pichia pastoris生物过程的优化方法和协议.
- 为了证明SUF性能与传统生物反应器系统的可比性.
主要方法:
- 使用HyPerformaTM一次性发酵器 (SUF) 进行Pichia pastoris种植.
- 实施优化的协议和超出制造商手册的额外方法.
- 专注于实验室规模的操作,以提高效率和有效性.
主要成果:
- HyPerformaTM SUF表现出可扩展的性能,与传统系统相提并论.
- 优化的协议提高了Pichia pastoris在SUF种植的效率和有效性.
- 在一次性混合生物反应器中成功种植Pichia pastoris.
结论:
- HyPerformaTM SUF是Pichia pastoris生物处理的可行和可扩展的选择.
- 优化的协议使得实验室规模的Pichia pastoris在SUFs的高效和有效的培养成为可能.
- 单次使用的水箱生物反应器可以成功地满足Pichia pastoris生物过程的苛刻要求.
相关概念视频
Bioreactor Design and Operational System
Bioreactors are engineered vessels designed to cultivate microorganisms under controlled conditions for industrial bioprocessing. They maintain sterility and allow precise regulation of pH, temperature, oxygen, and nutrient levels to optimize microbial growth and metabolite production. Bioreactors range from small laboratory units of 1 liter to industrial systems holding up to 500,000 liters, though only about 75% of their volume is actively used for fermentation. The remaining headspace...
Bioreactor Controls-I
Maintaining optimal conditions within fermenters is essential for maximizing microbial productivity and ensuring process efficiency. This lesson focuses on key parameters—temperature, foam, pH, carbon dioxide, oxygen, and pressure—and their precise measurement and control strategies in fermentation systems.Temperature ControlTemperature regulation is critical due to the exothermic nature of many fermentation processes. In small laboratory fermenters, temperature is commonly monitored using...
Bioreactor Controls-III
Strain improvement is a foundational strategy in industrial microbiology aimed at maximizing microbial productivity, particularly because natural isolates typically yield commercially valuable products in very low concentrations. Although optimizing the culture medium and environmental conditions can improve yields, these adjustments are inherently limited by the organism’s genetic potential. As a result, the focus shifts toward genetic modifications to enhance biosynthetic capacity. The...
Designing Growth Media for Bioreactors
Growth media provide essential nutrients that support cell growth and metabolism, thereby enhancing the yield of valuable products such as enzymes, antibiotics, and biomass. Designing an effective growth medium involves balancing all components to prevent nutrient limitations or toxic excesses, both of which can impair growth and reduce product yields.Composition of a Typical Growth MediumA typical growth medium contains carbon and nitrogen sources, salts, vitamins, trace elements, and...
Scale-Up Processes
The scale-up of microbial fermentation processes is essential in industrial biotechnology, allowing the transition from laboratory-scale experiments to commercial-scale production while aiming to maintain product yield and quality. This process requires meticulous adjustment of equipment design, process parameters, and contamination control strategies to accommodate increasing culture volumes.At the laboratory scale, cultures are typically maintained in 1 to 10-liter glass or autoclavable...
Upstream Processing
Upstream processing represents a critical phase in biomanufacturing, wherein biological systems such as microorganisms, mammalian cells, or insect cells are cultivated to produce therapeutic proteins, vaccines, enzymes, or other biologically derived products. This phase encompasses all steps from the selection and genetic manipulation of the production organism to the cultivation of cells in bioreactors under tightly controlled environmental conditions.Host Selection and Genetic OptimizationThe...


