Two Arabidopsis thaliana genes encode functional pectin methylesterase inhibitors.
Copyright policy )Two Arabidopsis thaliana genes encode functional pectin methylesterase inhibitors.
We have identified, expressed and characterized two genes from Arabidopsis thaliana (AtPMEI-1 and AtPMEI-2) encoding functional inhibitors of pectin methylesterases. AtPMEI-1 and AtPMEI-2 are cell wall proteins sharing many features with the only pectin methylesterase inhibitor (PMEI) characterized so far from kiwi fruit. Both Arabidopsis proteins interact with and inhibit plant-derived pectin methylesterases (PMEs) but not microbial enzymes. The occurrence of functional PMEIs in Arabidopsis indicates that a mechanism of controlling pectin esterification by inhibition of endogenous PMEs is present in different plant species.
Plant cell wall, pectin methylesterase, pectin methylesterase inhibitor, Arabidopsis thaliana, Base Sequence, DNA, Plant, Sequence Homology, Amino Acid, Arabidopsis Proteins, Molecular Sequence Data, Arabidopsis, arabidopsis thaliana; pectin; pectin methylesterase; pectin methylesterase inhibitor; plant cell wall, Genes, Plant, Polymerase Chain Reaction, Kinetics, Cell Wall, Amino Acid Sequence, Cloning, Molecular, Enzyme Inhibitors, Carboxylic Ester Hydrolases, Sequence Alignment, Conserved Sequence, Phylogeny, DNA Primers
Plant cell wall, pectin methylesterase, pectin methylesterase inhibitor, Arabidopsis thaliana, Base Sequence, DNA, Plant, Sequence Homology, Amino Acid, Arabidopsis Proteins, Molecular Sequence Data, Arabidopsis, arabidopsis thaliana; pectin; pectin methylesterase; pectin methylesterase inhibitor; plant cell wall, Genes, Plant, Polymerase Chain Reaction, Kinetics, Cell Wall, Amino Acid Sequence, Cloning, Molecular, Enzyme Inhibitors, Carboxylic Ester Hydrolases, Sequence Alignment, Conserved Sequence, Phylogeny, DNA Primers
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