Claudia Wiedner

Summary

Affiliation: Leibniz-Institute of Freshwater Ecology and Inland Fisheries
Country: Germany

Publications

  1. pmc Effects of light on the microcystin content of Microcystis strain PCC 7806
    Claudia Wiedner
    Institute for Biodiversity and Ecosystem Dynamics, Aquatic Microbiology, University of Amsterdam, 1018 VW Amsterdam, The Netherlands
    Appl Environ Microbiol 69:1475-81. 2003
  2. ncbi request reprint Climate change affects timing and size of populations of an invasive cyanobacterium in temperate regions
    Claudia Wiedner
    Department of Limnology of Stratified Lakes, Leibniz Institute of Freshwater Ecology and Inland Fisheries, Alte Fischerhütte 2, 16775 Stechlin Neuglobsow, Germany
    Oecologia 152:473-84. 2007
  3. doi request reprint Seasonal dynamics of cylindrospermopsin and cyanobacteria in two German lakes
    Claudia Wiedner
    Leibniz Institute of Freshwater Ecology and Inland Fisheries, Department of Limnology of Stratified Lakes, Alte Fischerhuette 2, 16775 Stechlin, Germany
    Toxicon 52:677-86. 2008
  4. doi request reprint First report of anatoxin-a-producing cyanobacterium Aphanizomenon issatschenkoi in northeastern Germany
    Andreas Ballot
    Leibniz Institute of Freshwater Ecology and Inland Fisheries, Department of Limnology of Stratified Lakes, Alte Fischerhütte 2, 16775 Stechlin, Germany
    Toxicon 56:964-71. 2010
  5. pmc The microcystin composition of the cyanobacterium Planktothrix agardhii changes toward a more toxic variant with increasing light intensity
    Linda Tonk
    Aquatic Microbiology, Institute for Biodiversity and Ecosystem Dynamics, University of Amsterdam, Nieuwe Achtergracht 127, 1018 WS Amsterdam, The Netherlands
    Appl Environ Microbiol 71:5177-81. 2005
  6. pmc Paralytic shellfish poisoning toxin-producing cyanobacterium Aphanizomenon gracile in northeast Germany
    Andreas Ballot
    Leibniz Institute of Freshwater Ecology and Inland Fisheries, Department of Limnology of Stratified Lakes, Alte Fischerhütte 2, 16775 Stechlin, Germany
    Appl Environ Microbiol 76:1173-80. 2010
  7. ncbi request reprint Variability of the microcystin synthetase gene cluster in the genus Planktothrix (Oscillatoriales, Cyanobacteria)
    Susan Mbedi
    Department of Limnology of Stratified Lakes, Institute for Freshwater Ecology and Inland Fisheries, Alte Fischerhütte 2, 16775 Stechlin Neuglobsow, Germany
    FEMS Microbiol Lett 245:299-306. 2005
  8. ncbi request reprint Occurrence of the cyanobacterial toxin cylindrospermopsin in northeast Germany
    Jutta Fastner
    Federal Environmental Agency, 14195 Berlin, Germany
    Environ Toxicol 22:26-32. 2007
  9. ncbi request reprint Concentrations of particulate and dissolved cylindrospermopsin in 21 Aphanizomenon-dominated temperate lakes
    Jacqueline Rücker
    Brandenburg University of Technology, Department of Freshwater Conservation, Bad Saarow Research Station, Seestrasse 45, 15526 Bad Saarow, Germany
    Toxicon 50:800-9. 2007
  10. ncbi request reprint Diversity of Microcystis aeruginosa isolates (Chroococcales, Cyanobacteria) from East-African water bodies
    Sigrid Haande
    Norwegian Institute for Water Research, Gaustadalleen 21, 0349 Oslo, Norway
    Arch Microbiol 188:15-25. 2007

Detail Information

Publications11

  1. pmc Effects of light on the microcystin content of Microcystis strain PCC 7806
    Claudia Wiedner
    Institute for Biodiversity and Ecosystem Dynamics, Aquatic Microbiology, University of Amsterdam, 1018 VW Amsterdam, The Netherlands
    Appl Environ Microbiol 69:1475-81. 2003
    ....
  2. ncbi request reprint Climate change affects timing and size of populations of an invasive cyanobacterium in temperate regions
    Claudia Wiedner
    Department of Limnology of Stratified Lakes, Leibniz Institute of Freshwater Ecology and Inland Fisheries, Alte Fischerhütte 2, 16775 Stechlin Neuglobsow, Germany
    Oecologia 152:473-84. 2007
    ..raciborskii to the temperate zone. Earlier warming permits earlier germination, thereby shifting the pelagic populations to a phase with higher I (mix), which advances growth and the population establishment...
  3. doi request reprint Seasonal dynamics of cylindrospermopsin and cyanobacteria in two German lakes
    Claudia Wiedner
    Leibniz Institute of Freshwater Ecology and Inland Fisheries, Department of Limnology of Stratified Lakes, Alte Fischerhuette 2, 16775 Stechlin, Germany
    Toxicon 52:677-86. 2008
    ..Different correlations of CYN with abiotic factors in the two lakes indicate the presence of further undetected CYN producers as well as different regulation mechanisms of their dynamics and the variability of CYN...
  4. doi request reprint First report of anatoxin-a-producing cyanobacterium Aphanizomenon issatschenkoi in northeastern Germany
    Andreas Ballot
    Leibniz Institute of Freshwater Ecology and Inland Fisheries, Department of Limnology of Stratified Lakes, Alte Fischerhütte 2, 16775 Stechlin, Germany
    Toxicon 56:964-71. 2010
    ..Anabaena spp. and Anabaenopsis spp. strains from lakes Stolpsee, Langersee, Melangsee, and Scharmützelsee. This study is the first confirming A. issatschenkoi as an ATX producer in German water bodies...
  5. pmc The microcystin composition of the cyanobacterium Planktothrix agardhii changes toward a more toxic variant with increasing light intensity
    Linda Tonk
    Aquatic Microbiology, Institute for Biodiversity and Ecosystem Dynamics, University of Amsterdam, Nieuwe Achtergracht 127, 1018 WS Amsterdam, The Netherlands
    Appl Environ Microbiol 71:5177-81. 2005
    ..Since microcystin-DeLR is considerably more toxic than microcystin-DeRR, this implies that P. agardhii becomes more toxic at high light intensities...
  6. pmc Paralytic shellfish poisoning toxin-producing cyanobacterium Aphanizomenon gracile in northeast Germany
    Andreas Ballot
    Leibniz Institute of Freshwater Ecology and Inland Fisheries, Department of Limnology of Stratified Lakes, Alte Fischerhütte 2, 16775 Stechlin, Germany
    Appl Environ Microbiol 76:1173-80. 2010
    ..flos-aquae, Anabaena planktonica, and Anabaenopsis elenkinii strains. ATX and CYN were not detected in any of the isolated strains. This study is the first confirming the role of A. gracile as a PSP toxin producer in German water bodies...
  7. ncbi request reprint Variability of the microcystin synthetase gene cluster in the genus Planktothrix (Oscillatoriales, Cyanobacteria)
    Susan Mbedi
    Department of Limnology of Stratified Lakes, Institute for Freshwater Ecology and Inland Fisheries, Alte Fischerhütte 2, 16775 Stechlin Neuglobsow, Germany
    FEMS Microbiol Lett 245:299-306. 2005
    ..Four gene regions remained that were conserved and specific for microcystin-producing Planktothrix strains, and thus qualified to detect the respective chemotypes in environmental samples...
  8. ncbi request reprint Occurrence of the cyanobacterial toxin cylindrospermopsin in northeast Germany
    Jutta Fastner
    Federal Environmental Agency, 14195 Berlin, Germany
    Environ Toxicol 22:26-32. 2007
    ..The data shown here suggest that CYN may be an important cyanobacterial toxin in German water bodies and that further data are needed to assess this...
  9. ncbi request reprint Concentrations of particulate and dissolved cylindrospermopsin in 21 Aphanizomenon-dominated temperate lakes
    Jacqueline Rücker
    Brandenburg University of Technology, Department of Freshwater Conservation, Bad Saarow Research Station, Seestrasse 45, 15526 Bad Saarow, Germany
    Toxicon 50:800-9. 2007
    ..It occurred in 98 CYN-positive samples, was the most abundant Nostocales and was the only Nostocales in five samples. This indicates that A. gracile is a potential CYN producer in German lakes...
  10. ncbi request reprint Diversity of Microcystis aeruginosa isolates (Chroococcales, Cyanobacteria) from East-African water bodies
    Sigrid Haande
    Norwegian Institute for Water Research, Gaustadalleen 21, 0349 Oslo, Norway
    Arch Microbiol 188:15-25. 2007
    ..Only 4 of the 24 isolated strains from East Africa were found to produce microcystins, while oligopeptides belonging to the aeruginosin and cyanopeptolin class were detected in most strains...
  11. ncbi request reprint An international intercomparison exercise for the determination of purified microcystin-LR and microcystins in cyanobacterial field material
    Jutta Fastner
    Technical University Berlin, Franklinstr 29, 10587 Berlin, Germany
    Anal Bioanal Chem 374:437-44. 2002
    ....