Article: article from journal or magazin.
Letter (letter): Communication to the publisher.
The high road and the low road: trafficking choices in plants.
Polar transport of the signaling molecule auxin is critical for plant development and depends on both the polar distribution of auxin efflux carriers, which pump auxin out of the cell and the alignment of these polarized cells. Two papers in this issue of Cell (Michniewicz et al., 2007; Jaillais et al., 2007) address how polar transport of these carriers occurs and describe the endosomal pathways involved.
Arabidopsis/embryology, Arabidopsis/enzymology, Arabidopsis/</QualifierName> <QualifierName MajorTopicYN="Y">, Arabidopsis Proteins/genetics, Arabidopsis Proteins/metabolism, Carrier Proteins/metabolism, Cell Differentiation, Cell Polarity, Cell Proliferation, Endosomes/metabolism, Genotype, Guanine Nucleotide Exchange Factors/metabolism, Indoleacetic Acids/metabolism, Membrane Transport Proteins/metabolism, Meristem/enzymology, Meristem/metabolism, Mutation, Phenotype, Phosphoprotein Phosphatases/metabolism, Phosphorylation, Plants, Genetically Modified/embryology, Plants, Genetically Modified/enzymology, Plants, Genetically Modified/</QualifierName> <QualifierName MajorTopicYN="Y">, Protein Subunits/metabolism, Protein Transport, Protein-Serine-Threonine Kinases/metabolism, Seedling/enzymology, Seedling/metabolism, Signal Transduction, Sorting Nexins, Vesicular Transport Proteins/metabolism, Xylem/metabolism
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