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Isoperoxidase Activity and Induction in Cultured Tissues of Wild Carrot: a Comparison of Proembryos and Embryos
Author(s) -
Wochok Zachary S.,
Burleson Brent
Publication year - 1974
Publication title -
physiologia plantarum
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.351
H-Index - 146
eISSN - 1399-3054
pISSN - 0031-9317
DOI - 10.1111/j.1399-3054.1974.tb03681.x
Subject(s) - peroxidase , daucus carota , embryo , isozyme , biology , point of delivery , botany , biochemistry , auxin , enzyme , microbiology and biotechnology , gene
Several anodic isoperoxidases were found in embryonic tissues of cultured wild carrot, Daucus carota L., which were not present in the proembryo masses from which they originate. This difference is further reflected in the higher specific activity of peroxidase in embryo extracts as compared to proembryonic tissues. The absence of anodic isoperoxidases and depressed peroxidase activity in carrot tissue cultures in the presence of 2,4‐dichlorophenoxyacetic acid (2,4‐D) suggests a regulatory role for this plant growth regulator in controlling peroxidase activity.