Section 8
Chapter 7,087

Cellular and subcellular localization of peroxidase isoenzymes in plants and cell suspension cultures from lupinus polyphyllus

Perrey, R.; Hauser M T.; Wink, M.

Zeitschrift fuer Naturforschung Section C Journal of Biosciences 44(11-12): 931-936


Accession: 007086938

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Leaves, stems, roots, leaf protoplasts and cell suspension cultures of Lupinus polyphyllus and isolated vacuoles were studied for cellular subcellular localization of peroxidase isoenzymes. Isoelectric focusing revealed 16 peroxidase isoenzymes. The basic peroxidase isoenzymes are predominantly localized in the vacuole and, to a minor degree, unbound in the interecellular space. The acidic isoenzymes are cell wall-bound in plants and not detectable in suspension-cultured cells. Large amounts (up to 11.0 U/ml) of a single basic isoenzyme are detectable in the spent medium of cell suspension cultures.

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