The functions of inter- and intracellular glutathione transport systems in plants.
Glutathione is one of the major redox buffers in most aerobic cells, and it has a broad spectrum of functions in plants. Recent discoveries implicate this thiol peptide in signalling and cellular homeostasis. Glutathione can sense intracellular redox status: perturbations of glutathione reduction state are transduced into changes in gene expression. This central role demands precise control of both the concentration and the reduction state of glutathione in different compartments. In addition to the regulation of glutathione biosynthesis and redox state, attention is now turning to the role of glutathione transporters.
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D001693:Biological Transport, Active; D002352:Carrier Proteins / Q000378:metabolism*; D002462:Cell Membrane / Q000502:physiology; D005656:Fungal Proteins; D005978:Glutathione / Q000378:metabolism*; D019803:Glutathione Disulfide / Q000378:metabolism; D026901:Membrane Transport Proteins; D009004:Monosaccharide Transport Proteins / Q000235:genetics; D010084:Oxidation-Reduction; D010944:Plants / Q000378:metabolism*; D015398:Signal Transduction; D013045:Species Specificity
D002352:Carrier Proteins; D005656:Fungal Proteins; D026901:Membrane Transport Proteins; D009004:Monosaccharide Transport Proteins; C086860:glutathione transporter; D005978:Glutathione; D019803:Glutathione Disulfide