Maria Sommer Holtze

Summary

Affiliation: Geological Survey of Denmark and Greenland
Country: Denmark

Publications

  1. ncbi Transformation of the herbicide 2,6-dichlorobenzonitrile to the persistent metabolite 2,6-dichlorobenzamide (BAM) by soil bacteria known to harbour nitrile hydratase or nitrilase
    Maria Sommer Holtze
    Department of Geochemistry, Geological Survey of Denmark and Greenland, 1350, Copenhagen, Denmark
    Biodegradation 17:503-10. 2006
  2. ncbi Microbial degradation pathways of the herbicide dichlobenil in soils with different history of dichlobenil-exposure
    Maria S Holtze
    Department of Natural Sciences, Soil and Environmental Chemistry, Royal Veterinary and Agricultural University, Thorvaldsensvej 40, Frederiksberg C, Denmark
    Environ Pollut 148:343-51. 2007
  3. ncbi 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
    Department of Geochemistry, Geological Survey of Denmark and Greenland GEUS, Øster Voldgade 10, 1350 Copenhagen K, Denmark
    Environ Pollut 154:155-68. 2008
  4. ncbi Degradation and mineralization of nanomolar concentrations of the herbicide dichlobenil and its persistent metabolite 2,6-dichlorobenzamide by Aminobacter spp. isolated from dichlobenil-treated soils
    Sebastian R Sørensen
    Department of Geochemistry, Geological Survey of Denmark and Greenland, Øster Voldgade 10, DK 1350 Copenhagen K, Denmark
    Appl Environ Microbiol 73:399-406. 2007
  5. ncbi Mineralisation of 2,6-dichlorobenzamide (BAM) in dichlobenil-exposed soils and isolation of a BAM-mineralising Aminobacter sp
    Allan Simonsen
    Department of Geochemistry, Geological Survey of Denmark and Greenland (GEUS, ster Voldgade 10, DK-1350 Copenhagen K, Denmark
    Environ Pollut 144:289-95. 2006
  6. ncbi Demonstrating formation of potentially persistent transformation products from the herbicides bromoxynil and ioxynil using liquid chromatography-tandem mass spectrometry (LC-MS/MS)
    Marie K K Nielsen
    Geological Survey of Denmark and Greenland GEUS, Copenhagen, Denmark
    Pest Manag Sci 63:141-9. 2007

Collaborators

Detail Information

Publications6

  1. ncbi Transformation of the herbicide 2,6-dichlorobenzonitrile to the persistent metabolite 2,6-dichlorobenzamide (BAM) by soil bacteria known to harbour nitrile hydratase or nitrilase
    Maria Sommer Holtze
    Department of Geochemistry, Geological Survey of Denmark and Greenland, 1350, Copenhagen, Denmark
    Biodegradation 17:503-10. 2006
    ..We conclude that a potential for dichlobenil degradation to BAM is found commonly in soil bacteria, whereas further degradation of the BAM intermediate could not be demonstrated...
  2. ncbi Microbial degradation pathways of the herbicide dichlobenil in soils with different history of dichlobenil-exposure
    Maria S Holtze
    Department of Natural Sciences, Soil and Environmental Chemistry, Royal Veterinary and Agricultural University, Thorvaldsensvej 40, Frederiksberg C, Denmark
    Environ Pollut 148:343-51. 2007
    ..All potential metabolites and the finding that BAM was a dead-end metabolite of dichlobenil in soils not previously exposed to dichlobenil needs to be included in risk assessments of the use of dichlobenil...
  3. ncbi 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
    Department of Geochemistry, Geological Survey of Denmark and Greenland GEUS, Øster Voldgade 10, 1350 Copenhagen K, Denmark
    Environ Pollut 154:155-68. 2008
    ....
  4. ncbi Degradation and mineralization of nanomolar concentrations of the herbicide dichlobenil and its persistent metabolite 2,6-dichlorobenzamide by Aminobacter spp. isolated from dichlobenil-treated soils
    Sebastian R Sørensen
    Department of Geochemistry, Geological Survey of Denmark and Greenland, Øster Voldgade 10, DK 1350 Copenhagen K, Denmark
    Appl Environ Microbiol 73:399-406. 2007
    ....
  5. ncbi Mineralisation of 2,6-dichlorobenzamide (BAM) in dichlobenil-exposed soils and isolation of a BAM-mineralising Aminobacter sp
    Allan Simonsen
    Department of Geochemistry, Geological Survey of Denmark and Greenland (GEUS, ster Voldgade 10, DK-1350 Copenhagen K, Denmark
    Environ Pollut 144:289-95. 2006
    ..Parallel cultivation resulted for the first time in the isolation of a BAM-mineralising bacterium, identified as an Aminobacter sp...
  6. ncbi Demonstrating formation of potentially persistent transformation products from the herbicides bromoxynil and ioxynil using liquid chromatography-tandem mass spectrometry (LC-MS/MS)
    Marie K K Nielsen
    Geological Survey of Denmark and Greenland GEUS, Copenhagen, Denmark
    Pest Manag Sci 63:141-9. 2007
    ..4-1.0 microg L(-1), with relative standard deviations of 4-10% (n = 10) using direct injection without clean-up steps. The standard curves showed linearity in the range 5-100 microg L(-1) with r(2) > 0.992...