Possible role of catalase in post-dormancy bud break in grapevines.

  title={Possible role of catalase in post-dormancy bud break in grapevines.},
  author={Francisco J. P{\'e}rez and Waldo Lira},
  journal={Journal of plant physiology},
  volume={162 3},
Changes in the activity of catalase (Cat) and in the levels of H2O2 were followed throughout dormancy in buds of grapevines (Vitis vinifera L.). In grapevines grown in the Elqui valley in Chile, a region with warm-winters, the activity of Cat increased during the recess period of buds, reaching a maximum and thereafter decreased to less than one third of its maximal activity. Three isoforms of Cat were detected in extracts of buds by native PAGE analysis, and the extracted activity was… CONTINUE READING

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