Changes in isoperoxidases during shoot formation in tobacco callus |
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| Authors: | Thorpe Trevor A. Gaspar Thomas |
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| Affiliation: | (1) Laboratoire de Biologie végétale, Institut Van Beneden, B-4020 Liège, Belgium;(2) Present address: Department of Biology, The University of Calgary, T2N 1N4 Calgary, Alberta, Canada |
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| Abstract: | 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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| Keywords: | isoperoxidases starch gel electrophoresis shoot formation tobacco callus |
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