Compartmental nitrate concentrations in barley root cells measured with nitrate-selective microelectrodes and by single-cell sap sampling

@article{Zhen1991CompartmentalNC,
  title={Compartmental nitrate concentrations in barley root cells measured with nitrate-selective microelectrodes and by single-cell sap sampling},
  author={R. G. Zhen and Hans-Werner Koyro and Roger Allen Leigh and A. Deri Tomos and Anthony J. Miller},
  journal={Planta},
  year={1991},
  volume={185},
  pages={356-361}
}
Nitrate-selective microelectrodes were used to measure intracellular nitrate concentrations (as activities) in epidermal and cortical cells of roots of 5-d-old barley (Hordeum vulgare L.) seedlings grown in nutrient solution containing 10 mol · m−3 nitrate. Measurements in each cell type grouped into two populations with mean (±SE) values of 5.4 ± 0.5 mol · m−3 (n=19) and 41.8 ± 2.6 mol · m−3 (n = 35) in epidermal cells, and 3.2 ± 1.2 mol · m−3 (n = 4) and 72.8 ± 8.4 mol · m−3 (n = 13) in… CONTINUE READING

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