RABA4B cDNA ORF clone, Arabidopsis thaliana(thale cress)

Sequence and analysis of chromosome 4 of the plant Arabidopsis thaliana.
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Nature402(6763)769-77(1999 Dec)

Involved in determining the composition of the cell wall, particularly with respect to hemicellulose content, possibly through regulating trafficking of hemicellulose from the Golgi to the apoplast. [RABA4b]
Title: Null mutants of individual RABA genes impact the proportion of different cell wall components in stem tissue of Arabidopsis thaliana.

RabA4b and PI-4Kbeta1 localize to budding secretory vesicles (SVs) in the trans Golgi network and to SVs en route to the cell surface.
Title: Electron tomography of RabA4b- and PI-4K?1-labeled trans Golgi network compartments in Arabidopsis.

RabA4b regulates membrane trafficking through a compartment involved in the polarized secretion of cell wall components in plant cells. [RabA4b]
Title: The Arabidopsis Rab GTPase RabA4b localizes to the tips of growing root hair cells.