Abstract
Hairy roots cultures derived from leaf explants ofBrassica napus L. produced and secreted peroxidases. The enzyme activity in the medium increased with growth but it remained nearly constant in the tissue. The changes in extracellular peroxidase activity seemed to be correlated with the increase in a basic peroxidase of pI: 9.6. Four isoenzymes with pI in the range 8.5–9.6 and a neutral peroxidase of pI 6.3 were the most important peroxidases detected in cell extracts. Ca2+ addition at the beginning of the culture stimulated both the excretion of peroxidase to the medium and the enzyme activity in hairy roots but the isoenzyme profiles did not show qualitative changes during the growth cycle for both culture conditions.
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Agostini, E., de Forchetti, S.M. & Tigier, H.A. Production of peroxidases by hairy roots ofBrassica napus . Plant Cell Tiss Organ Cult 47, 177–182 (1997). https://doi.org/10.1007/BF02318955
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DOI: https://doi.org/10.1007/BF02318955