Companion-Cell Specific Localization of Sucrose Synthase in Zones of Phloem Loading and Unloading.

  title={Companion-Cell Specific Localization of Sucrose Synthase in Zones of Phloem Loading and Unloading.},
  author={Kurt D. Nolte and Karen Elaine Koch},
  journal={Plant physiology},
  volume={101 3},
An immunohistochemical approach was used in maize (Zea mays) and citrus (Citrus paradisi) to address the previously noted association between sucrose synthase and vascular bundles and to determine the localization of the low but detectable levels of sucrose synthase that remain in leaves after the import-export transition. Sucrose synthase protein was immunolocalized at the light microscope level using paraffin sections reacted with rabbit sucrose synthase polyclonal antisera and gold… CONTINUE READING


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