Proton pumping by tomato roots . Effect of Fe deficiency and hormones on the activity and distribution of plasma membrane H +-ATPase in rhizodermal cells

@inproceedings{Schmidt2003ProtonPB,
  title={Proton pumping by tomato roots . Effect of Fe deficiency and hormones on the activity and distribution of plasma membrane H +-ATPase in rhizodermal cells},
  author={Wolfgang Schmidt and Wolfgang Michalke and Adam Schikora},
  year={2003}
}
The immunocytochemical localization of the plasma membrane H -ATPase in epidermal cells of tomato roots was studied using a monoclonal antibody raised against purified maize P-type H -ATPase. Plants subjected to iron starvation exhibited increased proton extrusion that was confined to the root elongation zones. Immunogold labelling of the H -ATPase on the plasma membrane was considerably higher in rhizodermal cells within zones with intense proton extrusion than in non-acidifying areas of the… CONTINUE READING
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