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Effect of inducers on the decolorization and biodegradation of textile azo dye Navy blue 2GL by Bacillus sp. VUS.
Biodegradation. 2009 Nov; 20(6):777-87.B

Abstract

Bacillus sp. VUS decolorized azo dye Navy blue 2GL in 48 h at static anoxic condition in yeast extract medium, whereas it took only 18 h for the decolorization in presence of CaCl(2). Different inducers played role in the decolorization of Navy blue 2GL. CaCl(2) found to be the most effective inducer among all inducers tested. The activity of enzymes like lignin peroxidase, laccase and reductases viz. NADH-DCIP, azo and riboflavin induced during decolorization represents their role in the biodegradation. Extracellular LiP and intracellular laccase activity induced with CaCl(2). Yeast extract was best medium for faster decolorization than other media. UV-vis spectrophotometer analysis and visual examinations showed decolorization of dye. High performance liquid chromatography, Fourier transforms infrared spectroscopy showed degradation of dye. Gas Chromatography-Mass Spectroscopy revealed formation of 4-Amino-3-(2-bromo-4, 6-dinitro-phenylazo)-phenol and acetic acid 2-(-acetoxy-ethylamino)-ethyl ester as final products. Bacillus sp. VUS also decolorized synthetic effluent. Phytotoxicity study showed detoxification of Navy blue 2GL.

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Publisher Full Text (DOI)

Authors+Show Affiliations

Dawkar VV
Department of Biochemistry, Shivaji University, Kolhapur 416004, India. vvdawkar@yahoo.co.in
Jadhav UU
No affiliation info available
Ghodake GS
No affiliation info available
Govindwar SP
No affiliation info available

MeSH

Azo CompoundsBacillusBiodegradation, EnvironmentalBiomassColorColoring AgentsCulture MediaHydrogen PeroxideKineticsLaccaseMonophenol MonooxygenasePeroxidasePhenylenediaminesSorghumSpectrophotometry, UltravioletSpectroscopy, Fourier Transform InfraredTextilesTime FactorsTriticum

Pub Type(s)

Journal Article

Language

eng

PubMed ID

19468842

Citation

Dawkar, Vishal V., et al. "Effect of Inducers On the Decolorization and Biodegradation of Textile Azo Dye Navy Blue 2GL By Bacillus Sp. VUS." Biodegradation, vol. 20, no. 6, 2009, pp. 777-87.
Dawkar VV, Jadhav UU, Ghodake GS, et al. Effect of inducers on the decolorization and biodegradation of textile azo dye Navy blue 2GL by Bacillus sp. VUS. Biodegradation. 2009;20(6):777-87.
Dawkar, V. V., Jadhav, U. U., Ghodake, G. S., & Govindwar, S. P. (2009). Effect of inducers on the decolorization and biodegradation of textile azo dye Navy blue 2GL by Bacillus sp. VUS. Biodegradation, 20(6), 777-87. https://doi.org/10.1007/s10532-009-9266-y
Dawkar VV, et al. Effect of Inducers On the Decolorization and Biodegradation of Textile Azo Dye Navy Blue 2GL By Bacillus Sp. VUS. Biodegradation. 2009;20(6):777-87. PubMed PMID: 19468842.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Effect of inducers on the decolorization and biodegradation of textile azo dye Navy blue 2GL by Bacillus sp. VUS. AU - Dawkar,Vishal V, AU - Jadhav,Umesh U, AU - Ghodake,Gajanan S, AU - Govindwar,Sanjay P, Y1 - 2009/05/26/ PY - 2009/01/08/received PY - 2009/04/29/accepted PY - 2009/5/27/entrez PY - 2009/5/27/pubmed PY - 2010/1/13/medline SP - 777 EP - 87 JF - Biodegradation JO - Biodegradation VL - 20 IS - 6 N2 - Bacillus sp. VUS decolorized azo dye Navy blue 2GL in 48 h at static anoxic condition in yeast extract medium, whereas it took only 18 h for the decolorization in presence of CaCl(2). Different inducers played role in the decolorization of Navy blue 2GL. CaCl(2) found to be the most effective inducer among all inducers tested. The activity of enzymes like lignin peroxidase, laccase and reductases viz. NADH-DCIP, azo and riboflavin induced during decolorization represents their role in the biodegradation. Extracellular LiP and intracellular laccase activity induced with CaCl(2). Yeast extract was best medium for faster decolorization than other media. UV-vis spectrophotometer analysis and visual examinations showed decolorization of dye. High performance liquid chromatography, Fourier transforms infrared spectroscopy showed degradation of dye. Gas Chromatography-Mass Spectroscopy revealed formation of 4-Amino-3-(2-bromo-4, 6-dinitro-phenylazo)-phenol and acetic acid 2-(-acetoxy-ethylamino)-ethyl ester as final products. Bacillus sp. VUS also decolorized synthetic effluent. Phytotoxicity study showed detoxification of Navy blue 2GL. SN - 1572-9729 UR - https://www.unboundmedicine.com/medline/citation/19468842/Effect_of_inducers_on_the_decolorization_and_biodegradation_of_textile_azo_dye_Navy_blue_2GL_by_Bacillus_sp__VUS_ DB - PRIME DP - Unbound Medicine ER -