Biodegradation of the textile dye Mordant Black 17 (Calcon) by Moraxella osloensis isolated from textile effluent-contaminated site

被引：27

作者：

Karunya, A. ^{[1
]}

Rose, C. ^{[2
]}

Nachiyar, C. Valli ^{[1
]}

机构：

[1] Sathyabama Univ, Dept Biotechnol, Madras 600119, Tamil Nadu, India

[2] Cent Leather Res Inst, Dept Biotechnol, Madras 600020, Tamil Nadu, India

来源：

WORLD JOURNAL OF MICROBIOLOGY & BIOTECHNOLOGY | 2014年 / 30卷 / 03期

关键词：

Moraxella osloensis; Biodegradation; Mordant Black 17; Kinetics; Pathway; WASTE-WATER TREATMENT; AZO DYES; PSEUDOMONAS SP; FAST BLUE; DECOLORIZATION; DEGRADATION; ACID; DECOLOURIZATION; OXIDATION; RED;

D O I：

10.1007/s11274-013-1509-8

中图分类号：

Q81 [生物工程学（生物技术）]; Q93 [微生物学];

学科分类号：

071005 ; 0836 ; 090102 ; 100705 ;

摘要：

The bacterium with dye degrading ability was isolated from effluent disposal sites of textile industries, Tirupur and was identified as Moraxella osloensis based on the biochemical and morphological characterization as well as 16S rRNA sequencing. This organism was found to decolorize 87 % of Mordant Black 17 at 100 mg l(-1) under shake culture condition compared to 92 % under stationary culture condition. Maximum degradation of the dye by M. osloensis was achieved when the mineral salt medium was supplemented with 0.5 % glucose and 0.1 % ammonium nitrate at 35 A degrees C. Degradation of dye was found to follow first order kinetics with the k value of 0.06282 h(-1) and a R-2 value of 0.955. Analyses for the identification of intermediate compounds confirmed the presence of naphthalene, naphthol, naphthoquinone, salicylic acid and catechol. Based on this finding a probable pathway for the degradation of Mordant Black 17 by M. osloensis has been proposed.

引用

页码：915 / 924

页数：10

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