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Biodegradation of nicosulfuron by a Talaromyces flavus LZM1

► This is the first study to report that a Talaromyces species could degrade nicosulfuron. ► Talaromyces flavus LZM1 could degrade nicosulfuron over a broad range of temperature and pH levels. ► Response surface methodology based on the Box–Behnken design was used to optimize the parameters. ► Metab... Full description

Journal Title: Bioresource technology 2013-07, Vol.140, p.243-248
Main Author: Song, Jinlong
Other Authors: Gu, Jingang , Zhai, Yi , Wu, Wei , Wang, Haisheng , Ruan, Zhiyong , Shi, Yanhua , Yan, Yanchun
Format: Electronic Article Electronic Article
Language: English
Subjects:
Publisher: Kidlington: Elsevier Ltd
ID: ISSN: 0960-8524
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recordid: cdi_proquest_miscellaneous_1367877557
title: Biodegradation of nicosulfuron by a Talaromyces flavus LZM1
format: Article
creator:
  • Song, Jinlong
  • Gu, Jingang
  • Zhai, Yi
  • Wu, Wei
  • Wang, Haisheng
  • Ruan, Zhiyong
  • Shi, Yanhua
  • Yan, Yanchun
subjects:
  • Base Sequence
  • Biodegradation
  • Biodegradation, Environmental
  • Biological and medical sciences
  • Biotechnology
  • DNA, Ribosomal Spacer - genetics
  • Fundamental and applied biological sciences. Psychology
  • Herbicides - chemistry
  • Herbicides - metabolism
  • Hydrogen-Ion Concentration
  • Kinetics
  • Metabolites
  • Molecular Sequence Data
  • Mycelium - growth & development
  • Mycelium - metabolism
  • Nicosulfuron
  • Phylogeny
  • Pyridines - chemistry
  • Pyridines - metabolism
  • Sulfonylurea Compounds - chemistry
  • Sulfonylurea Compounds - metabolism
  • Talaromyces - growth & development
  • Talaromyces - isolation & purification
  • Talaromyces - metabolism
  • Talaromyces flavus
  • Temperature
ispartof: Bioresource technology, 2013-07, Vol.140, p.243-248
description: ► This is the first study to report that a Talaromyces species could degrade nicosulfuron. ► Talaromyces flavus LZM1 could degrade nicosulfuron over a broad range of temperature and pH levels. ► Response surface methodology based on the Box–Behnken design was used to optimize the parameters. ► Metabolites from nicosulfuron degradation were identified by LC–MS, and a possible degradation pathway was deduced. The fungal strain LZM1 was isolated from activated sludge and found to be capable of utilizing nicosulfuron as the sole nitrogen source for growth. Based on morphological and internal transcribed spacer evaluations, LZM1 was identified as a Talaromyces flavus strain. Under optimum conditions (pH 6.1, 29°C), T. flavus LZM1 degraded 100% of the initially added nicosulfuron (100mgL–1) within 5d. T. flavus LZM1 was also found to be highly efficient in degrading tribenuron methyl, chlorsulfuron, bensulfuron methyl, ethametsulfuron methyl, cinosulfuron, and rimsulfuron. Metabolites from nicosulfuron degradation were identified by liquid chromatography mass spectrometry, and a possible degradation pathway was deduced. These results show that T. flavus LZM1 may possess potential to be used in bioremediation of nicosulfuron-contaminated environments.
language: eng
source:
identifier: ISSN: 0960-8524
fulltext: no_fulltext
issn:
  • 0960-8524
  • 1873-2976
url: Link


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creatorSong, Jinlong ; Gu, Jingang ; Zhai, Yi ; Wu, Wei ; Wang, Haisheng ; Ruan, Zhiyong ; Shi, Yanhua ; Yan, Yanchun
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description► This is the first study to report that a Talaromyces species could degrade nicosulfuron. ► Talaromyces flavus LZM1 could degrade nicosulfuron over a broad range of temperature and pH levels. ► Response surface methodology based on the Box–Behnken design was used to optimize the parameters. ► Metabolites from nicosulfuron degradation were identified by LC–MS, and a possible degradation pathway was deduced. The fungal strain LZM1 was isolated from activated sludge and found to be capable of utilizing nicosulfuron as the sole nitrogen source for growth. Based on morphological and internal transcribed spacer evaluations, LZM1 was identified as a Talaromyces flavus strain. Under optimum conditions (pH 6.1, 29°C), T. flavus LZM1 degraded 100% of the initially added nicosulfuron (100mgL–1) within 5d. T. flavus LZM1 was also found to be highly efficient in degrading tribenuron methyl, chlorsulfuron, bensulfuron methyl, ethametsulfuron methyl, cinosulfuron, and rimsulfuron. Metabolites from nicosulfuron degradation were identified by liquid chromatography mass spectrometry, and a possible degradation pathway was deduced. These results show that T. flavus LZM1 may possess potential to be used in bioremediation of nicosulfuron-contaminated environments.
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subjectBase Sequence ; Biodegradation ; Biodegradation, Environmental ; Biological and medical sciences ; Biotechnology ; DNA, Ribosomal Spacer - genetics ; Fundamental and applied biological sciences. Psychology ; Herbicides - chemistry ; Herbicides - metabolism ; Hydrogen-Ion Concentration ; Kinetics ; Metabolites ; Molecular Sequence Data ; Mycelium - growth & development ; Mycelium - metabolism ; Nicosulfuron ; Phylogeny ; Pyridines - chemistry ; Pyridines - metabolism ; Sulfonylurea Compounds - chemistry ; Sulfonylurea Compounds - metabolism ; Talaromyces - growth & development ; Talaromyces - isolation & purification ; Talaromyces - metabolism ; Talaromyces flavus ; Temperature
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description► This is the first study to report that a Talaromyces species could degrade nicosulfuron. ► Talaromyces flavus LZM1 could degrade nicosulfuron over a broad range of temperature and pH levels. ► Response surface methodology based on the Box–Behnken design was used to optimize the parameters. ► Metabolites from nicosulfuron degradation were identified by LC–MS, and a possible degradation pathway was deduced. The fungal strain LZM1 was isolated from activated sludge and found to be capable of utilizing nicosulfuron as the sole nitrogen source for growth. Based on morphological and internal transcribed spacer evaluations, LZM1 was identified as a Talaromyces flavus strain. Under optimum conditions (pH 6.1, 29°C), T. flavus LZM1 degraded 100% of the initially added nicosulfuron (100mgL–1) within 5d. T. flavus LZM1 was also found to be highly efficient in degrading tribenuron methyl, chlorsulfuron, bensulfuron methyl, ethametsulfuron methyl, cinosulfuron, and rimsulfuron. Metabolites from nicosulfuron degradation were identified by liquid chromatography mass spectrometry, and a possible degradation pathway was deduced. These results show that T. flavus LZM1 may possess potential to be used in bioremediation of nicosulfuron-contaminated environments.
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8Herbicides - metabolism
9Hydrogen-Ion Concentration
10Kinetics
11Metabolites
12Molecular Sequence Data
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16Phylogeny
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18Pyridines - metabolism
19Sulfonylurea Compounds - chemistry
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21Talaromyces - growth & development
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abstract► This is the first study to report that a Talaromyces species could degrade nicosulfuron. ► Talaromyces flavus LZM1 could degrade nicosulfuron over a broad range of temperature and pH levels. ► Response surface methodology based on the Box–Behnken design was used to optimize the parameters. ► Metabolites from nicosulfuron degradation were identified by LC–MS, and a possible degradation pathway was deduced. The fungal strain LZM1 was isolated from activated sludge and found to be capable of utilizing nicosulfuron as the sole nitrogen source for growth. Based on morphological and internal transcribed spacer evaluations, LZM1 was identified as a Talaromyces flavus strain. Under optimum conditions (pH 6.1, 29°C), T. flavus LZM1 degraded 100% of the initially added nicosulfuron (100mgL–1) within 5d. T. flavus LZM1 was also found to be highly efficient in degrading tribenuron methyl, chlorsulfuron, bensulfuron methyl, ethametsulfuron methyl, cinosulfuron, and rimsulfuron. Metabolites from nicosulfuron degradation were identified by liquid chromatography mass spectrometry, and a possible degradation pathway was deduced. These results show that T. flavus LZM1 may possess potential to be used in bioremediation of nicosulfuron-contaminated environments.
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pmid23707911
doi10.1016/j.biortech.2013.02.086