Degradation of triclocarban by a triclosan-degrading Sphingomonas sp. strain YL-JM2C

Sikandar I. Mulla; Anyi Hu; Yuwen Wang; Qian Sun; Shir Ly Huang; Han Wang; Chang Ping Yu

doi:10.1016/j.chemosphere.2015.08.034

Degradation of triclocarban by a triclosan-degrading Sphingomonas sp. strain YL-JM2C

Sikandar I. Mulla, Anyi Hu, Yuwen Wang, Qian Sun, Shir Ly Huang, Han Wang, Chang Ping Yu^*

^*Corresponding author for this work

Institute of Microbiology and Immunology

Research output: Contribution to journal › Article › peer-review

57 Scopus citations

Abstract

Bacterial degradation plays a vital role in determining the environmental fate of micropollutants like triclocarban. The mechanism of triclocarban degradation by pure bacterium is not yet explored. The purpose of this study was to identify metabolic pathway that might be involved in bacterial degradation of triclocarban. Triclosan-degrading Sphingomonas sp. strain YL-JM2C was first found to degrade up to 35% of triclocarban (4 mg L^-1) within 5 d. Gas chromatography-mass spectrometry detected 3,4-dichloroaniline, 4-chloroaniline and 4-chlorocatechol as the major metabolites of the triclocarban degradation. Furthermore, total organic carbon results confirmed that the intermediates, 3,4-dichloroaniline (4 mg L^-1) and 4-chloroaniline (4 mg L^-1) could be degraded up to 77% and 80% by strain YL-JM2C within 5 d.

Original language	English
Pages (from-to)	292-296
Number of pages	5
Journal	Chemosphere
Volume	144
DOIs	https://doi.org/10.1016/j.chemosphere.2015.08.034
State	Published - 1 Feb 2016

Keywords

3,4-Dichloroaniline
4-Chloroaniline
Degradation
Sphingomonas sp. strain YL-JM2C
Triclocarban

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10.1016/j.chemosphere.2015.08.034

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title = "Degradation of triclocarban by a triclosan-degrading Sphingomonas sp. strain YL-JM2C",

abstract = "Bacterial degradation plays a vital role in determining the environmental fate of micropollutants like triclocarban. The mechanism of triclocarban degradation by pure bacterium is not yet explored. The purpose of this study was to identify metabolic pathway that might be involved in bacterial degradation of triclocarban. Triclosan-degrading Sphingomonas sp. strain YL-JM2C was first found to degrade up to 35% of triclocarban (4 mg L-1) within 5 d. Gas chromatography-mass spectrometry detected 3,4-dichloroaniline, 4-chloroaniline and 4-chlorocatechol as the major metabolites of the triclocarban degradation. Furthermore, total organic carbon results confirmed that the intermediates, 3,4-dichloroaniline (4 mg L-1) and 4-chloroaniline (4 mg L-1) could be degraded up to 77% and 80% by strain YL-JM2C within 5 d.",

keywords = "3,4-Dichloroaniline, 4-Chloroaniline, Degradation, Sphingomonas sp. strain YL-JM2C, Triclocarban",

author = "Mulla, {Sikandar I.} and Anyi Hu and Yuwen Wang and Qian Sun and Huang, {Shir Ly} and Han Wang and Yu, {Chang Ping}",

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AU - Mulla, Sikandar I.

AU - Hu, Anyi

AU - Wang, Yuwen

AU - Sun, Qian

AU - Huang, Shir Ly

AU - Wang, Han

AU - Yu, Chang Ping

PY - 2016/2/1

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N2 - Bacterial degradation plays a vital role in determining the environmental fate of micropollutants like triclocarban. The mechanism of triclocarban degradation by pure bacterium is not yet explored. The purpose of this study was to identify metabolic pathway that might be involved in bacterial degradation of triclocarban. Triclosan-degrading Sphingomonas sp. strain YL-JM2C was first found to degrade up to 35% of triclocarban (4 mg L-1) within 5 d. Gas chromatography-mass spectrometry detected 3,4-dichloroaniline, 4-chloroaniline and 4-chlorocatechol as the major metabolites of the triclocarban degradation. Furthermore, total organic carbon results confirmed that the intermediates, 3,4-dichloroaniline (4 mg L-1) and 4-chloroaniline (4 mg L-1) could be degraded up to 77% and 80% by strain YL-JM2C within 5 d.

AB - Bacterial degradation plays a vital role in determining the environmental fate of micropollutants like triclocarban. The mechanism of triclocarban degradation by pure bacterium is not yet explored. The purpose of this study was to identify metabolic pathway that might be involved in bacterial degradation of triclocarban. Triclosan-degrading Sphingomonas sp. strain YL-JM2C was first found to degrade up to 35% of triclocarban (4 mg L-1) within 5 d. Gas chromatography-mass spectrometry detected 3,4-dichloroaniline, 4-chloroaniline and 4-chlorocatechol as the major metabolites of the triclocarban degradation. Furthermore, total organic carbon results confirmed that the intermediates, 3,4-dichloroaniline (4 mg L-1) and 4-chloroaniline (4 mg L-1) could be degraded up to 77% and 80% by strain YL-JM2C within 5 d.

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ER -

Degradation of triclocarban by a triclosan-degrading Sphingomonas sp. strain YL-JM2C

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Keywords

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