biologia plantarum

International journal on Plant Life established by Bohumil Nìmec in 1959

Biologia plantarum 25:151, 1983 | DOI: 10.1007/BF02902129

Changes in isoperoxidases induced by hydroxyphenylacetic acids

Maria C. Mato1,2
1 Laboratoire de Physiologie végétale appliquée, Université des Sciences et Techniques du Languedoc, Montpellier Cedex, France
2 Plant Physiology, Instituto de Investigaciones Agrobiológicas de Galicia, C.S.I.C., Santiago de Compostela, Spain

The effects ofo-, m- andp-hydroxyphenylacetic acids on total peroxidase activity and isoperoxidase patterns of wheat coleoptile sections were studied.o-andm-HOPA reduced the total peroxidase activity whilep-HOPA increased it. Electrophoresis in polyacrylamide gel revealed thato- andm-HOPA diminish the intensity of some anodic and cathodic bands, but thatp-HOPA increases anodic and reduces cathodic isoperoxidases. These results may explain the apparently paradoxical positive effects ofp-HOPA on both growth and total peroxidase activity.

Received: February 18, 1982; Accepted: May 27, 1982; Published: March 1, 1983  Show citation

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Mato, M.C. (1983). Changes in isoperoxidases induced by hydroxyphenylacetic acids. Biologia plantarum, 25(2), 151. doi: 10.1007/BF02902129
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