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Sugar transport across the plasma membranes of higher plants

  • Norbert Sauer
  • Kerstin Baier
  • Manfred Gahrtz
  • Ruth Stadler
  • Jürgen Stolz
  • Elisabeth Truernit

Abstract

The fluxes of carbohydrates across the plasma membranes of higher-plant cells are catalysed mainly by monosaccharide and disaccharide-H + symporters. cDNAs encoding these different transporters have been cloned recently and the functions and properties of the encoded proteins have been studied extensively in heterologous expression systems. Several of the proteins have been identified biochemically in these expression systems and their location in plants has been shown immunohistochemically or with transgenic plants which were transformed with reporter genes, expressed under the control of the promoters of individual transporter genes. In this paper we summarize the current knowledge on the molecular biology and biochemistry of higher-plant sugar transport proteins.

Key words

apoplastic space glucose transport heterologous expression phloem loading plasma membrane sucrose transport 

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Copyright information

© Springer Science+Business Media Dordrecht 1994

Authors and Affiliations

  • Norbert Sauer
    • 1
  • Kerstin Baier
    • 1
  • Manfred Gahrtz
    • 1
  • Ruth Stadler
    • 1
  • Jürgen Stolz
    • 1
  • Elisabeth Truernit
    • 1
  1. 1.Lehrstuhl für Zellbiologie und PflanzenphysiologieUniversität RegensburgRegensburgGermany

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