Calcium Status of Yellow Lupin Symbiosomes as a Potential Regulator of Their Nitrogenase Activity: The Role of the Peribacteroid Membrane

@article{Andreev2004CalciumSO,
  title={Calcium Status of Yellow Lupin Symbiosomes as a Potential Regulator of Their Nitrogenase Activity: The Role of the Peribacteroid Membrane},
  author={Igor M. Andreev and Irina N Andreeva and P. N. Dubrovo and Valeriya V. Krylova and G. M. Kozharinova and Stanislav F. Izmailov},
  journal={Russian Journal of Plant Physiology},
  year={2004},
  volume={48},
  pages={308-317}
}
The capacity of symbiosomes from yellow lupin root nodules for active Ca2+uptake and the sensitivity of their nitrogenase activity to a disturbance of the symbiotic Ca partition were investigated. The experiments carried out on the isolated symbiosomes and the peribacteroid membrane (PBM) vesicles, using Ca2+indicators arsenazo III and chlorotetracycline, and the cytochemical Ca visualization with potassium pyroantimonate (PA) provided evidence that an Mg-ATP-energized pump, most likely Mg2… CONTINUE READING

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