Transgenic Plant
Transgenic plants with increased tolerance to aluminum have been produced by making plants that

make more metal-binding peptides like phytochelatins
secrete citrate into the soil
bind aluminum to the cell wall
secrete phytosiderophores into the soil

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Transgenic Plant
Expression of antisense RNA in transgenic plants is a general method used to

reduce or eliminate the expression of individual genes
block the expression of virus coat protein genes
eliminate the expression of all genes in a biochemical pathway
activate the expression of all genes in a biochemical pathway

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