Effects of copper exposure upon nitrogen metabolism in tissue cultured Vitis vinifera.

@article{Llorens2000EffectsOC,
  title={Effects of copper exposure upon nitrogen metabolism in tissue cultured Vitis vinifera.},
  author={Noelia Llorens and L I Arola and Cinta Blad{\'e} and Alberto Mas},
  journal={Plant science : an international journal of experimental plant biology},
  year={2000},
  volume={160 1},
  pages={159-163}
}
The present study analyses the effects of copper treatment on nitrogen metabolism in a closed system. Sauvignon grapevines were cultured in agar and exposed to copper levels ranging from 0.07 (control) to 5 µg Cu g(-1) medium. Ammonium, nitrate, nitrite, individual and total amino acids and protein contents were determined in root, and leaves. Enzyme activities of nitrate and nitrite reductases, glutamine synthetase, glutamate synthase and glutamate dehydrogenase were also determined. Copper… CONTINUE READING

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