Chlorophylls and carotenoids in a fully habituated nonorganogenic callus ofBeta vulgaris

Does altered nitrogen metabolism and H2O

Does altered nitrogen metabolism and H2O2accumulation explain the vitrified status of the fully habituated callus ofBeta vulgaris(L.)?

✍ Frédérik Dily; Claude Huault; Thomas Gaspar; Jean-Pierre Billard 📂 Article 📅 1993 🏛 Springer 🌐 English ⚖ 492 KB

The habituated callus is a vitrified tissue which has two main biochemical characteristics both leading to production of toxic forms of oxygen: first the blockage of the porphyrin pathway and a lack of H20 2 detoxifying enzymes (catalase and peroxidases); secondly a deviation of the nitrogen metabol