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Changes in isoperoxidases during shoot formation in tobacco callus

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Summary

Shoot formation in tobacco (Nicotiana tabacum L.) callus is accompanied by an increase in peroxidase activity which takes a form similar to a sigmoid curve. The “stationary” phase coincide with the period of organ formation. Characteristic changes in isoperoxidase pattern are found in the shoot-forming part of the callus. These changes are different from those in the nonshoot-forming part or in gibberellin-treated tissue, which does not form shoots.

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Author notes

  1. Trevor A. Thorpe

    Present address: Department of Biology, The University of Calgary, T2N 1N4, Calgary, Alberta, Canada

Authors and Affiliations

  1. Laboratoire de Biologie végétale, Institut Van Beneden, B-4020, Liège, Belgium

    Trevor A. Thorpe & Thomas Gaspar

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  1. Trevor A. Thorpe
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  2. Thomas Gaspar
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Thorpe, T.A., Gaspar, T. Changes in isoperoxidases during shoot formation in tobacco callus. In Vitro 14, 522–526 (1978). https://doi.org/10.1007/BF02616094

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