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Inhibition of paraquat phytotoxicity by a novel copper chelate with superoxide dismutating activity

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Summary

A chelate with superoxide dismutase activity, D-penicillamine copper complex, was shown to inhibit paraquat toxicity in flax cotyledons (Linum usitatissimum var. Reina). Paraquat-stimulated chlorophyll loss and ethane production were markedly reduced by this complex. The role of superoxide in the action of paraquat is briefly discussed.

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Authors and Affiliations

  1. School of Biological Sciences, University of Bath, BA2 7AY, Bath, England

    R. J. Youngman, A. D. Dodge, E. Lengfelder & E. F. Elstner

  2. Strahlenbiologisches Institut, Universität München, D-8000, München 2, Federal Republic of Germany

    R. J. Youngman, A. D. Dodge, E. Lengfelder & E. F. Elstner

  3. Institut für Botanik und Mikrobiologie, Technische Universität München, D-8000, München 2, Federal Republic of Germany

    R. J. Youngman, A. D. Dodge, E. Lengfelder & E. F. Elstner

Authors
  1. R. J. Youngman
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  2. A. D. Dodge
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  3. E. Lengfelder
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  4. E. F. Elstner
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Additional information

This work was supported by grants from the German Academic Exchange Service to R.J. Youngman and by I.C.I. Ltd, Plant Protection Division.

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Youngman, R.J., Dodge, A.D., Lengfelder, E. et al. Inhibition of paraquat phytotoxicity by a novel copper chelate with superoxide dismutating activity. Experientia 35, 1295–1296 (1979). https://doi.org/10.1007/BF01963967

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  • DOI: https://doi.org/10.1007/BF01963967

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