Microbial degradation of the benzonitrile herbicides dichlobenil, bromoxynil and ioxynil in soil and subsurface environments - Insights into degradation pathways, persistent metabolites and involved degrader organisms

Maria S. Holtze; Sebastian R. Sørensen; Jan Sørensen; Jens Aamand

doi:10.1016/j.envpol.2007.09.020

Microbial degradation of the benzonitrile herbicides dichlobenil, bromoxynil and ioxynil in soil and subsurface environments - Insights into degradation pathways, persistent metabolites and involved degrader organisms

Maria S. Holtze
, Sebastian R. Sørensen
, Jan Sørensen
, Jens Aamand

Department of Geochemistry

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

91 Citations (Scopus)

Abstract

The benzonitriles dichlobenil, bromoxynil and ioxynil are important broad-spectrum or selective herbicides used in agriculture, orchards and public areas worldwide. The dichlobenil metabolite 2,6-dichlorobenzamide is the most frequently encountered groundwater contaminant in Denmark, which suggests that the environmental fate of these three structurally related benzonitrile herbicides should be addressed in detail. This review summarises the current knowledge on microbial degradation of dichlobenil, bromoxynil and ioxynil with particular focus on common features of degradation rates and pathways, accumulation of persistent metabolites and diversity of the involved degrader organisms.

Original language	English
Pages (from-to)	155-168
Number of pages	14
Journal	Environmental Pollution
Volume	154
Issue number	2
DOIs	https://doi.org/10.1016/j.envpol.2007.09.020
Publication status	Published - Jul 2008

Keywords

Benzonitrile herbicides
Degradation pathways
Groundwater contamination
Metabolites
Review

Programme Area

Programme Area 2: Water Resources

Access to Document

10.1016/j.envpol.2007.09.020

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Holtze, M. S., Sørensen, S. R., Sørensen, J., & Aamand, J. (2008). Microbial degradation of the benzonitrile herbicides dichlobenil, bromoxynil and ioxynil in soil and subsurface environments - Insights into degradation pathways, persistent metabolites and involved degrader organisms. Environmental Pollution, 154(2), 155-168. https://doi.org/10.1016/j.envpol.2007.09.020

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title = "Microbial degradation of the benzonitrile herbicides dichlobenil, bromoxynil and ioxynil in soil and subsurface environments - Insights into degradation pathways, persistent metabolites and involved degrader organisms",

abstract = "The benzonitriles dichlobenil, bromoxynil and ioxynil are important broad-spectrum or selective herbicides used in agriculture, orchards and public areas worldwide. The dichlobenil metabolite 2,6-dichlorobenzamide is the most frequently encountered groundwater contaminant in Denmark, which suggests that the environmental fate of these three structurally related benzonitrile herbicides should be addressed in detail. This review summarises the current knowledge on microbial degradation of dichlobenil, bromoxynil and ioxynil with particular focus on common features of degradation rates and pathways, accumulation of persistent metabolites and diversity of the involved degrader organisms.",

keywords = "Benzonitrile herbicides, Degradation pathways, Groundwater contamination, Metabolites, Review",

author = "Holtze, \{Maria S.\} and S{\o}rensen, \{Sebastian R.\} and Jan S{\o}rensen and Jens Aamand",

note = "Funding Information: This work was supported by the Center for Environmental and Agricultural Microbiology, CREAM, funded by the Willum Kann Rasmussen Foundation and the PESTICON Project, grant 274-05-0399, financed by the Danish Research Council for Technology and Production Sciences. We thank Patricia Simpson for excellent help during the writing of the manuscript.",

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Holtze, MS, Sørensen, SR, Sørensen, J & Aamand, J 2008, 'Microbial degradation of the benzonitrile herbicides dichlobenil, bromoxynil and ioxynil in soil and subsurface environments - Insights into degradation pathways, persistent metabolites and involved degrader organisms', Environmental Pollution, vol. 154, no. 2, pp. 155-168. https://doi.org/10.1016/j.envpol.2007.09.020

Microbial degradation of the benzonitrile herbicides dichlobenil, bromoxynil and ioxynil in soil and subsurface environments - Insights into degradation pathways, persistent metabolites and involved degrader organisms. / Holtze, Maria S.; Sørensen, Sebastian R.; Sørensen, Jan et al.
In: Environmental Pollution, Vol. 154, No. 2, 07.2008, p. 155-168.

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

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AU - Sørensen, Sebastian R.

AU - Sørensen, Jan

AU - Aamand, Jens

N1 - Funding Information: This work was supported by the Center for Environmental and Agricultural Microbiology, CREAM, funded by the Willum Kann Rasmussen Foundation and the PESTICON Project, grant 274-05-0399, financed by the Danish Research Council for Technology and Production Sciences. We thank Patricia Simpson for excellent help during the writing of the manuscript.

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KW - Benzonitrile herbicides

KW - Degradation pathways

KW - Groundwater contamination

KW - Metabolites

KW - Review

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M3 - Article

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JO - Environmental Pollution

JF - Environmental Pollution

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