Words similar to tonoplast
Example sentences for: tonoplast
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In plant cells V-ATPases are responsible for the deacidification of the cytosol and the energization of secondary transport processes across the tonoplast, as well as in the endocytotic and secretory pathways [ 12 ] . In addition, the vacuolar type ATPase is thought to be primarily responsible for the acidification and expansion of the large central vacuole [ 12 13 14 15 ] . In plants a critical event in growth and development is the maturation and expansion of the central vacuole.
Like the TIPs, the SIP group was found to contain YW residues in this position, but only further experiments can show whether these residues are sufficient to locate the protein to the tonoplast or whether they might be determinants of substrate specificity.
As cell-to-cell water movement is likely to be controlled by the permeabilities of the plasmalemmal and tonoplast membranes, the parameter corresponding to this permeability potentially provides a noninvasive measure of membrane water conductivities in intact tissue.
The influx of water and metabolites into the vacuole is dependent in part on the generation of a proton motive force across the tonoplast.
The original definition of the PIP and TIP subfamilies was their assumed location in the plasma membrane and tonoplast, respectively.