声明： 因水平有限，错误不可避免，或有些信息非最及时，欢迎留言指出。本文由仅作新材料相关领域介绍，本文不构成任何投资建议！转载请注明来源！ 核心菌种是生物制造产业的"芯片"，决定了发酵工艺的效率、成本与产品竞争力。当前，我国生物制造产业的核心菌种超过80%依赖进口，从大宗氨基 酸、有机酸到酶制剂，诸多关键生产菌株依赖国外。这一局面不仅推高了技术引进与工艺适配的成本，更在产业链供应链层面埋下隐患。在生物经济上升 为国家战略、新型工业化加速推进的背景下，核心微生物菌种的自主可控已成为行业必须突破的瓶颈。 清华大学生命学院陈国强教授团队 从野生环境中分离得到耐盐碱的嗜盐菌（Halomonasspp.）天然菌株，开展了二十年余年系统攻关，成功创制出具有 完全自主知识产权的新型底盘细胞—— Halomonas bluephagenesis TD系列及其衍生菌株 ，实现在开放条件下连续发酵，彻底规避灭菌环节，显著降低 能耗与设备成本，在国际上首次提出并建立了基于极端微生物的下一代工业生物技术（NGIB）。然而，嗜盐菌底盘依赖较高盐度（通常30-60g/L NaCl）以维持细胞生理稳态与代谢活性。这一高盐依赖在一定程度上限 ...

核心菌种是生物制造产业的"芯片"，决定了发酵工艺的效率、成本与产品竞争力。当前，我国生物制造产业的核心菌种超过80%依赖进口，从大宗氨 基酸、有机酸到酶制剂，诸多关键生产菌株依赖国外。这一局面不仅推高了技术引进与工艺适配的成本，更在产业链供应链层面埋下隐患。在生物经 济上升为国家战略、新型工业化加速推进的背景下，核心微生物菌种的自主可控已成为行业必须突破的瓶颈。 清华大学生命学院陈国强教授团队 从野生环境中分离得到耐盐碱的嗜盐菌（Halomonasspp.）天然菌株，开展了二十年余年系统攻关，成功创制出 具有完全自主知识产权的新型底盘细胞——Halomonas bluephagenesis TD系列及其衍生菌株，实现在开放条件下连续发酵，彻底规避灭菌环节， 显著降低能耗与设备成本， 在国际上首次提出并建立了基于极端微生物的下一代工业生物技术（NGIB） 。然而，嗜盐菌底盘依赖较高盐度（通常 30-60g/L NaCl）以维持细胞生理稳态与代谢活性。 这一高盐依赖在一定程度上限制了其在更低盐、更灵活工艺体系中的应用拓展，也增加了后续 废水处理与环境负荷 。如何在保持开放非无菌培养优势的同时，降低嗜盐菌对高盐环境 ...

Core Viewpoint - The article discusses the development of a spatially decoupled electro-biosystem for efficient CO2 conversion into valuable chemicals, highlighting the integration of electrochemical and microbial fermentation processes to enhance product yield and selectivity [4][13]. Summary by Sections CO2 Reduction Technology - CO2 electroreduction (CO2 RR) technology utilizes clean electricity to convert CO2 into high-value chemicals, addressing resource scarcity [3]. - Current advancements allow for efficient conversion of CO2 into C1-C2 products like carbon monoxide, methane, and ethanol, but challenges remain in synthesizing high-energy-density long-chain hydrocarbons [3]. Innovative System Design - The research team from Beijing University of Chemical Technology has developed a modular design integrating CO2 electro-catalytic reduction with microbial fermentation, published in Advanced Energy Materials [4][13]. - The electro-catalytic system employs tannic acid-based metal-polyphenol complex nanoparticles to synthesize a covalent organic polymer catalyst, achieving high selectivity and current density for ethanol production [7][12]. Performance Evaluation - The MPN@deCOP@Ag-Cu2O catalyst demonstrated a Faradaic efficiency (FE) for ethanol of approximately 44.5% at a current density of 400 mA cm², outperforming traditional copper catalysts [12]. - The system maintained ethanol selectivity around 25% over a prolonged operation of 5.8 hours, with a product purity of 86.6% [12][13]. Microbial Conversion - Engineered E. coli strains were developed to convert ethanol into industrially valuable products such as itaconic acid, isopropanol, and polyhydroxybutyrate (PHB) [16]. - The study achieved significant yields of 482.6 mg/L for itaconic acid, 109.3 mg/L for isopropanol, and 295.1 mg/L for PHB, demonstrating the feasibility of using CO2-derived ethanol as a sustainable carbon source [16]. Future Implications - The findings suggest that the developed electro-catalysts and reactor designs have significant potential for scaling up CO2 conversion processes, addressing key challenges in CO2 RR technology applications [13].