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Starch, the main component of the wheat grain, is the product of a complex biochemical pathway. The sbeIIa gene plays a key role in controlling the synthesis of starch, in particular, the biosynthesis of amylopectin, in maturing wheat grain. To investigate its regulatory mechanisms and endosperm-specific expression pattern, the sbeIIa promoter (3094 bp in length) was cloned using APCR and sequenced...