Words similar to tonoplast

Example sentences for: tonoplast

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The original definition of the PIP and TIP subfamilies was their assumed location in the plasma membrane and tonoplast, respectively.
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.
When antibodies were used to locate proteins of the TIP group, the signal was always confined to tonoplast membrane fractions [ 72].
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.
Three enzymes are primarily responsible for the maintenance of proton flux across the tonoplast in plants, the vacuolar H +-ATPase, the H +pumping pyrophosphatase [ 48 ] and the Na +/H +antiporter [ 49 50 ] . All three enzymes have been implicated in allowing plants to cope with environmental stress conditions.