Exploring new strains of dye-decolorizing bacteria
Date
2012-04Author
Han, Jing-Long
Ng, I-Son
吴意珣
Wang, Yanni
Zheng, Xuesong
Chen, Wen-Ming
Hsueh, Chung-Chuan
Liu, Shi-Qi
Chen, Bor-Yann
Collections
- 化学化工-已发表论文 [14237]
Abstract
This study unveiled a new strategy to explore new indigenous strains with excellent decolorization capabilities from freshwaters and seawaters. Two new bacterial decolorizers DX2b and SH7b, which have the capability to decolorize textile dyes, were isolated from Cross-Strait Taiwan and China. According to PCR-augmented 16S rRNA gene analyses for strain identification, >99% of nucleotide sequences in isolated strains were identical to type strains Rahnella aquatilis, Acinetobacter Microvirgula aerodenitrificans, and Pseudomonas sp. Time-series inspection upon azoreductase activity assay and generation of decolorized intermediates all confirmed in parallel with reductive decolorization of new decolorizers DX2b and SH7b. The result also showed that bacterial decolorization of these new strains was mainly catalyzed via the enzymatic expression of azoreductase and riboflavin reductase, and biosorption seemed not to play a crucial role color removal (approximately <10%). (C) 2011, The Society for Biotechnology, Japan. All rights reserved.
Citation
JOURNAL OF BIOSCIENCE AND BIOENGINEERING,2012,113(4):508-514URI
http://dx.doi.org/10.1016/j.jbiosc.2011.11.014WOS:000303944900016
https://dspace.xmu.edu.cn/handle/2288/15586