P Schopfer

Summary

Affiliation: University of Freiburg
Country: Germany

Publications

  1. ncbi request reprint Evidence that hydroxyl radicals mediate auxin-induced extension growth
    Peter Schopfer
    Institut fur Biologie II der Universitat, Schanzlestrasse 1, 79104 Freiburg, Germany
    Planta 214:821-8. 2002
  2. ncbi request reprint Polysaccharide degradation by Fenton reaction--or peroxidase-generated hydroxyl radicals in isolated plant cell walls
    Carmen Schweikert
    Albert Ludwigs Universitat Freiburg, Institut fur Biologie II, Schänzlestr 1, D 79104 Freiburg, Germany
    Phytochemistry 61:31-5. 2002
  3. pmc Release of reactive oxygen intermediates (superoxide radicals, hydrogen peroxide, and hydroxyl radicals) and peroxidase in germinating radish seeds controlled by light, gibberellin, and abscisic acid
    P Schopfer
    Institut fur Biologie II der Universitat, Schanzlestrasse 1, D 79104 Freiburg, Germany
    Plant Physiol 125:1591-602. 2001
  4. ncbi request reprint Hydroxyl radical-induced cell-wall loosening in vitro and in vivo: implications for the control of elongation growth
    P Schopfer
    Institut fur Biologie II der Universitat, Schänzlestr 1, D 79104 Freiburg, Germany
    Plant J 28:679-88. 2001
  5. ncbi request reprint Plasma membrane-generated reactive oxygen intermediates and their role in cell growth of plants
    P Schopfer
    Institut fur Biologie II der Universitat, Schänzlestr 1, D 79104 Freiburg, Germany
    Biofactors 28:73-81. 2006
  6. pmc Production of reactive oxygen intermediates (O(2)(.-), H(2)O(2), and (.)OH) by maize roots and their role in wall loosening and elongation growth
    Anja Liszkay
    Institut fur Biologie II der Universitat, D 79104 Freiburg, Germany
    Plant Physiol 136:3114-23; discussion 3001. 2004
  7. ncbi request reprint Evidence for the involvement of cell wall peroxidase in the generation of hydroxyl radicals mediating extension growth
    Anja Liszkay
    Institut fur Biologie II der Universitat, Schanzlestrasse 1, 79104 Freiburg, Germany
    Planta 217:658-67. 2003
  8. ncbi request reprint Sensitive detection and localization of hydroxyl radical production in cucumber roots and Arabidopsis seedlings by spin trapping electron paramagnetic resonance spectroscopy
    Susannah Renew
    Institut fur Biologie II, Universitat Freiburg, Schänzlestr 1, 79104 Freiburg, Germany
    Plant J 44:342-7. 2005
  9. pmc Naphthoquinone-dependent generation of superoxide radicals by quinone reductase isolated from the plasma membrane of soybean
    Peter Schopfer
    Universitat Freiburg, Institut fur Biologie II, D 79104 Freiburg, Germany
    Plant Physiol 147:864-78. 2008
  10. pmc Is the loss of stability theory a realistic concept for stress relaxation-mediated cell wall expansion during plant growth?
    Peter Schopfer
    Plant Physiol 147:935-6; author reply 936-8. 2008

Collaborators

  • Anja Liszkay
  • Susannah Renew
  • Carmen Schweikert
  • Eiri Heyno
  • Esther van der Zalm
  • Barbara Kenk

Detail Information

Publications10

  1. ncbi request reprint Evidence that hydroxyl radicals mediate auxin-induced extension growth
    Peter Schopfer
    Institut fur Biologie II der Universitat, Schanzlestrasse 1, 79104 Freiburg, Germany
    Planta 214:821-8. 2002
    ..These results provide the experimental background for a novel hypothesis on the mechanism of plant cell growth in which (*OH), produced from (O*-)(2) and H2O2 by cell wall peroxidase, acts as a wall-loosening agent...
  2. ncbi request reprint Polysaccharide degradation by Fenton reaction--or peroxidase-generated hydroxyl radicals in isolated plant cell walls
    Carmen Schweikert
    Albert Ludwigs Universitat Freiburg, Institut fur Biologie II, Schänzlestr 1, D 79104 Freiburg, Germany
    Phytochemistry 61:31-5. 2002
    ..These data support the hypothesis that OH*, produced by cell-wall peroxidases in vivo, act as wall-loosening agents in plant extension growth...
  3. pmc Release of reactive oxygen intermediates (superoxide radicals, hydrogen peroxide, and hydroxyl radicals) and peroxidase in germinating radish seeds controlled by light, gibberellin, and abscisic acid
    P Schopfer
    Institut fur Biologie II der Universitat, Schanzlestrasse 1, D 79104 Freiburg, Germany
    Plant Physiol 125:1591-602. 2001
    ..ROI production by germinating seeds represents an active, developmentally controlled physiological function, presumably for protecting the emerging seedling against attack by pathogens...
  4. ncbi request reprint Hydroxyl radical-induced cell-wall loosening in vitro and in vivo: implications for the control of elongation growth
    P Schopfer
    Institut fur Biologie II der Universitat, Schänzlestr 1, D 79104 Freiburg, Germany
    Plant J 28:679-88. 2001
    ..It is concluded that OH fulfils basic criteria for a wall-loosening factor acting in auxin-mediated elongation growth of plant species with widely differing cell-wall polysaccharide compositions...
  5. ncbi request reprint Plasma membrane-generated reactive oxygen intermediates and their role in cell growth of plants
    P Schopfer
    Institut fur Biologie II der Universitat, Schänzlestr 1, D 79104 Freiburg, Germany
    Biofactors 28:73-81. 2006
    ..These results provide the experimental background for a novel hypothesis on the mechanism of plant cell growth in which the generation of hydroxyl radicals, initiated by the plasma membrane NAD(P)H oxidase, plays a central role...
  6. pmc Production of reactive oxygen intermediates (O(2)(.-), H(2)O(2), and (.)OH) by maize roots and their role in wall loosening and elongation growth
    Anja Liszkay
    Institut fur Biologie II der Universitat, D 79104 Freiburg, Germany
    Plant Physiol 136:3114-23; discussion 3001. 2004
    ..OH, and to respond to (.)OH by wall loosening, in passing through the growing zone. Moreover, inhibitor studies indicate that (.)OH formation is essential for normal root growth...
  7. ncbi request reprint Evidence for the involvement of cell wall peroxidase in the generation of hydroxyl radicals mediating extension growth
    Anja Liszkay
    Institut fur Biologie II der Universitat, Schanzlestrasse 1, 79104 Freiburg, Germany
    Planta 217:658-67. 2003
    ..Under natural conditions, i.e. in the absence of external NADH, this enzyme may provide superoxide (O2*-) (and H2O2 utilized by POD for) *OH production in the cell wall...
  8. ncbi request reprint Sensitive detection and localization of hydroxyl radical production in cucumber roots and Arabidopsis seedlings by spin trapping electron paramagnetic resonance spectroscopy
    Susannah Renew
    Institut fur Biologie II, Universitat Freiburg, Schänzlestr 1, 79104 Freiburg, Germany
    Plant J 44:342-7. 2005
    ..Spin trapping EPR provides a valuable tool for analyzing the production of OH*in vivo with high resolution in small tissue samples...
  9. pmc Naphthoquinone-dependent generation of superoxide radicals by quinone reductase isolated from the plasma membrane of soybean
    Peter Schopfer
    Universitat Freiburg, Institut fur Biologie II, D 79104 Freiburg, Germany
    Plant Physiol 147:864-78. 2008
    ..The possible function of this enzyme in the generation of O2(.-) and H2O2 at the plasma membrane of plants in vivo is discussed...
  10. pmc Is the loss of stability theory a realistic concept for stress relaxation-mediated cell wall expansion during plant growth?
    Peter Schopfer
    Plant Physiol 147:935-6; author reply 936-8. 2008