Onion root water transport sensitive to water channel and K+ channel inhibitors.

@article{Tazawa2001OnionRW,
  title={Onion root water transport sensitive to water channel and K+ channel inhibitors.},
  author={Masashi Tazawa and E Sutou and Mineo Shibasaka},
  journal={Plant & cell physiology},
  year={2001},
  volume={42 1},
  pages={28-36}
}
Transroot osmotic water flux (Jos) and radial hydraulic conductivity (Lpr) in onion roots were greatly increased by three means; infiltration of roots by pressurization, repetition of osmosis and chilling at 5 degrees C. Jos was strongly reduced by the water channel inhibitor HgCl2 (91%) and the K+ channel inhibitor nonyltriethylammonium (C9, 75%), which actually made the membrane potential of root cells less sensitive to K+. C9 decreased the rate of turgor reduction induced by sorbitol… CONTINUE READING

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