Sustainable Denim Bleaching by a Novel Thermostable Bacterial Laccase

被引：26

作者：

Panwar, Varsha ^{[1
]}

Sheikh, Javed Nabibaksha ^{[2
]}

Dutta, Tanmay ^{[1
]}

机构：

[1] Indian Inst Technol Delhi, Dept Chem, New Delhi 110016, India

[2] Indian Inst Technol Delhi, Dept Text Technol, New Delhi 110016, India

来源：

APPLIED BIOCHEMISTRY AND BIOTECHNOLOGY | 2020年 / 192卷 / 04期

关键词：

Bacterial laccase; Thermostable enzyme; Dye decolorization; Denim bleaching; MOLECULAR CHARACTERIZATION; PURIFICATION; TEXTILE; DECOLORIZATION; DYES; DETOXIFICATION; DEGRADATION; MUSHROOM; CLEAVAGE; EFFLUENT;

D O I：

10.1007/s12010-020-03390-y

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

Laccases have emerged as environment-friendly multifaceted biocatalysts for diverse biotechnological applications. Here, we isolated a high molecular weight (88 kDa) extremophilic laccase (LacT) fromBrevibacillus agri, with the aim to exploit its extreme characters in denim bleaching. LacT has been characterized as a thermostable, acidophilic enzyme with high salt, organic solvent, and divalent metal tolerance properties. Denim bleaching efficiency of LacT was optimum at pH 4.0 and appeared to be surpassing over other reported laccases. LacT also exhibited remarkable efficacy in the decolorization of water-soluble health hazardous azo-dyes, and thus transpired to be a promising bio-bleaching and dye decolorizing agent.

引用

页码：1238 / 1254

页数：17

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