2 条结果 关键词:有机酸 ×

Transcription Factor Engineering for High-Throughput Strain Evolution and Organic Acid Bioproduction: A Review.

Frontiers in bioengineering and biotechnology 2020 Li JW, Zhang XY, Wu H, Bai YP

本文综述了转录因子(TF)在微生物代谢工程与有机酸生物生产中的识别、工程化及应用。TF 可识别特定 DNA 序列并响应胞内外小分子、信号和刺激,是构建遗传编码生物传感器的关键元件,用于监测有机酸生产中原本“不可见”的胞内代谢物浓度。TF 型生物传感器可将代谢物浓度转化为荧光等可检测信号,并与流式细胞分选(FACS)等高通量筛选技术结...

Involvement of organic acids and amino acids in ameliorating Ni(II) toxicity induced cell cycle dysregulation in Caulobacter crescentus: a metabolomics analysis.

Applied microbiology and biotechnology 2018 Jain A, Chen WN

镍(Ni(II))毒性可被多种细菌应对,但细菌对镍胁迫的响应机制仍不清楚。本研究考察 Ni(II) 毒性对 α-变形菌弯曲柄杆菌(Caulobacter crescentus)细胞增殖的影响,并揭示其在镍胁迫下存活的机制。结果显示,不同浓度 Ni(II) 显著影响弯曲柄杆菌生长:0.003 mM 仅轻微影响生长,0.008 mM 使...