Enhanced-peroxidatic activity in specific catalase isozymes of tobacco, barley, and maize.

@article{Havir1989EnhancedperoxidaticAI,
  title={Enhanced-peroxidatic activity in specific catalase isozymes of tobacco, barley, and maize.},
  author={Evelyn A. Havir and Neil A. McHale},
  journal={Plant physiology},
  year={1989},
  volume={91 3},
  pages={812-5}
}
Separation of catalase isozymes from leaf extracts of three diverse plant species (Nicotiana sylvestris, Zea mays, Hordeum vulgare L.) revealed a distinct isozyme with enhanced peroxidatic activity (30-, 70-, 28-fold over typical catalase, respectively) which constituted 10 to 20% of the total catalase activity. In maize this isozyme is the product of the Cat3 gene, which is expressed only in mesophyll cells (AS Tsaftaris, AM Bosabalidis, JG Scandalios [1983] Proc Natl Acad Sci USA 80: 4455… CONTINUE READING

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