Expression of the Arabidopsis high-affinity hexose transporter STP13 correlates with programmed cell death.
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Expression of the Arabidopsis high-affinity hexose transporter STP13 correlates with programmed cell death. / Nørholm, Morten Helge Hauberg; Nour-Eldin, Hussam H; Brodersen, Peter; Mundy, John; Halkjær, Barbara Ann.
In: FEBS Letters, Vol. 580, No. 9, 2006, p. 2381-7.Research output: Contribution to journal › Journal article › Research › peer-review
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TY - JOUR
T1 - Expression of the Arabidopsis high-affinity hexose transporter STP13 correlates with programmed cell death.
AU - Nørholm, Morten Helge Hauberg
AU - Nour-Eldin, Hussam H
AU - Brodersen, Peter
AU - Mundy, John
AU - Halkjær, Barbara Ann
N1 - Keywords: Animals; Apoptosis; Apoptosis Regulatory Proteins; Arabidopsis; Arabidopsis Proteins; Cell Aging; Cells, Cultured; Enzyme Inhibitors; Fumonisins; Gene Expression; Membrane Transport Proteins; Monosaccharide Transport Proteins; Oocytes; Symporters; Xenopus
PY - 2006
Y1 - 2006
N2 - We report the biochemical characterization in Xenopus oocytes of the Arabidopsis thaliana membrane protein, STP13, as a high affinity, hexose-specific H(+)-symporter. Studies with kinase activators suggest that it is negatively regulated by phosphorylation. STP13 promoter GFP reporter lines show GFP expression only in the vascular tissue in emerging petals under non-stressed conditions. Quantitative PCR and the pSTP13-GFP plants show induction of STP13 in programmed cell death (PCD) obtained by treatments with the fungal toxin fumonisin B1 and the pathogen Pseudomonas syringae. A role for STP13 in PCD is supported by microarray data from e.g. plants undergoing senescence and a strong correlation between STP13 transcripts and the PCD phenotype in different accelerated cell death (acd11) mutants.
AB - We report the biochemical characterization in Xenopus oocytes of the Arabidopsis thaliana membrane protein, STP13, as a high affinity, hexose-specific H(+)-symporter. Studies with kinase activators suggest that it is negatively regulated by phosphorylation. STP13 promoter GFP reporter lines show GFP expression only in the vascular tissue in emerging petals under non-stressed conditions. Quantitative PCR and the pSTP13-GFP plants show induction of STP13 in programmed cell death (PCD) obtained by treatments with the fungal toxin fumonisin B1 and the pathogen Pseudomonas syringae. A role for STP13 in PCD is supported by microarray data from e.g. plants undergoing senescence and a strong correlation between STP13 transcripts and the PCD phenotype in different accelerated cell death (acd11) mutants.
U2 - 10.1016/j.febslet.2006.03.064
DO - 10.1016/j.febslet.2006.03.064
M3 - Journal article
C2 - 16616142
VL - 580
SP - 2381
EP - 2387
JO - F E B S Letters
JF - F E B S Letters
SN - 0014-5793
IS - 9
ER -
ID: 6474425