3 条结果 关键词:D-木糖 ×

Assessing the effect of d-xylose on the sugar signaling pathways of Saccharomyces cerevisiae in strains engineered for xylose transport and assimilation.

FEMS yeast research 2018 Osiro KO, Brink DP, Borgström C, Wasserstrom L 等 6 人

建立工业上具有竞争力的木质纤维素发酵过程的关键挑战之一,是利用酿酒酵母 Saccharomyces cerevisiae 实现高效混合糖发酵。尽管代谢工程策略已成功,重组酵母对木糖的同化速率仍显著低于首选碳源葡萄糖。此前我们建立了体内生物传感器菌株 TMB371X,将主要糖信号通路中的不同启动子(HXT1/2/4p、SUC2p、CA...

Co-immobilization of glucose oxidase and xylose dehydrogenase displayed whole cell on multiwalled carbon nanotube nanocomposite films modified electrode for simultaneous voltammetric detection of D-glucose and D-xylose.

Biosensors & bioelectronics 2013 Li L, Liang B, Li F, Shi J 等 7 人

本文首次报道 Nafion/葡萄糖氧化酶(GOD)/木糖脱氢酶展示细菌(XDH-bacteria)/多壁碳纳米管(MWNTs)修饰电极,用于同时伏安法测定 D-葡萄糖和 D-木糖。优化固定化条件后,两种酶保持良好稳定性和活性。在含 NAD+ 的混合溶液中,电极在 -0.5 V(vs. SCE)出现源于 D-葡萄糖催化氧化的准可逆峰,...

A selective and sensitive D-xylose electrochemical biosensor based on xylose dehydrogenase displayed on the surface of bacteria and multi-walled carbon nanotubes modified electrode.

Biosensors & bioelectronics 2012

构建了一种新型 Nafion/细菌表面展示木糖脱氢酶(XDH)/多壁碳纳米管(MWNTs)复合膜修饰电极,用于灵敏、选择性测定 D-木糖(INS 967)。XDH 展示细菌以新鉴定的 Pseudomonas borealis DL7 冰核蛋白作为锚定基序制备,可直接使用,省去酶提取纯化,提高酶稳定性。优化条件:将 10 μL 均匀 ...