Although bacterial cellulose (BC) is a fascinating, highly pure cellulose material for various downstream applications, production has been challenged by its low productivity. This work reported a facile route to significantly enhance BC yield without compromising its structural advantages via adding mesoporous halloysite nanotubes (HNTs) in the culture medium at static cultivations. The BC productivity of Gluconacetobacter xylinus was increased from 2.2 to 5.9 g L^-1 after 15 days of cultivation when 2 wt% of HNTs was added into the standard fructose medium. It appeared that the dual functionality of cell immobilization and oxygen release of the HNTs were responsible for enhancing the BC productivity. Moreover, the HNTs-resulted BC pellicle exhibited negligible content of HNTs contamination (~2 wt%), higher degree of crystallinity (87.7 %) and porosity (assessed by water holding capacity, 12.7 g g^-1), and showed promising applications especially in the bio-adsorption field.

尽管细菌纤维素（BC）是一种引人入胜的，高纯度的纤维素材料，可用于各种下游应用，但生产效率一直受到其低生产率的挑战。这项工作报告了一种通过静态培养在培养基中添加介孔埃洛石纳米管（HNT）来显着提高BC产量而又不损害其结构优势的简便途径。木糖葡糖杆菌的BC生产率从2.2增加到5.9 g L ^-1培养15天后，将2 wt％的HNT添加到标准果糖培养基中。似乎细胞固定和HNT释放氧气的双重功能负责提高BC生产力。此外，HNTs导致的BC防护膜的HNTs污染物含量（〜2 wt％），结晶度（87.7％）和孔隙率（通过持水量评估为12.7 gg ^-1）可以忽略不计，并且显示出广阔的应用前景，尤其是在生物吸附领域。