PMID: 8580974Jan 1, 1996Paper

Expression of the PmSUC1 sucrose carrier gene from Plantago major L. is induced during seed development

The Plant Journal : for Cell and Molecular Biology
M GahrtzN Sauer

Abstract

A cDNA clone of the plasma membrane sucrose-H+ symporter PmSUC1 from Plantago major L. has been isolated and expressed in Saccharomyces cerevisiae. The PmSUC1 protein was characterized in transgenic yeast and in proteoliposomes with an artificial proton-motive-force (pmf) generator. PmSUC1 catalyzes the active uptake of sucrose or maltose in the presence of pmf and is sensitive to uncouplers. Unlike the extremely pH-dependent PmSUC2 sucrose-H+ symporter, PmSUC1 is relatively insensitive to changes of the extracellular pH. In leaves and petioles of P. major, expression of PmSUC1 mRNA is restricted to the vascular system. The important new feature about PmSUC1 is that the highest mRNA levels are found in non-vascular tissue of P. major flowers where the gene is transiently expressed during the early stages of seed development. In situ hybridization experiments show that PmSUC1 is expressed only in young ovules; the putative physiological role of PmSUC1 is discussed.

Citations

Sep 16, 2003·Plant Physiology·Ruth StadlerNorbert Sauer
Jun 1, 1996·Annual Review of Plant Physiology and Plant Molecular Biology·W. Tanner, T. Caspari
Jun 1, 1997·Annual Review of Plant Physiology and Plant Molecular Biology·J. W. Patrick
Jan 27, 2007·The Plant Journal : for Cell and Molecular Biology·Yuchan ZhouJohn W Patrick
Aug 1, 2008·Journal of Integrative Plant Biology·Ai-Jun SunZhen Zhu
Jun 11, 1999·The Plant Journal : for Cell and Molecular Biology·M TegederJ W Patrick
Sep 1, 2009·American Journal of Botany·Naoko IshikawaHirokazu Tsukaya
May 1, 2007·Functional Plant Biology : FPB·Wen-Hao ZhangJohn W Patrick
Apr 5, 2000·Biochimica Et Biophysica Acta·R Lemoine
Apr 5, 2000·Biochimica Et Biophysica Acta·M Büttner, N Sauer
Apr 5, 2000·Biochimica Et Biophysica Acta·S DelrotL Maurousset

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