Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
2018019 | Plant Science | 2010 | 7 Pages |
Abstract
â¶ Dithiothreitol (H2O2 scavenger) prevented Cu-induced lignin accumulation and decreased the activities of guaiacol peroxidase, ascorbate peroxidase, cinnamyl alcohol dehydrogenase and polyphenol oxidase. â¶ Dithiothreitol elevated accumulation of total soluble phenols and phenolic acids in all three fractions investigated. â¶ The opposite trends were recorded after application of NO scavenger (PTIO). â¶ NO, in addition to H2O2, seems to be important for the regulation of PAL activity. â¶ H2O2 was found to be essential for complete lignin deposition during Cu excess.
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Authors
Jozef KováÄik, JiÅà Grúz, BoÅivoj Klejdus, FrantiÅ¡ek Å tork, Rogério Marchiosi, Osvaldo Ferrarese-Filho,