CRISPR/Cas9-induced monoallelic mutations in the cytosolic AGPase large subunit gene APL2 induce the ectopic expression of APL2 and the corresponding small subunit gene APS2b in rice leaves.

Abstract excerpt

The first committed step in the endosperm starch biosynthetic pathway is catalyzed by the cytosolic glucose-1-phosphate adenylyl transferase (AGPase) comprising large and small subunits encoded by the OsAPL2 and OsAPS2b genes, respectively. OsAPL2 is expressed solely in the endosperm so we hypothesized that mutating this gene would block starch biosynthesis in the endosperm without affecting the leaves. We used...

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