Characterization of a near isogenic barley line with high grain β-amylase activity reveals a separation in the tight co-regulation of B-hordeins (Hor2) with endosperm-specific β-amylase (Bmy1).

Abstract excerpt

GSHO 2096 is a near isogenic barley line with extremely high grain β-amylase activity, a desirable trait in the malting and brewing industry. High levels of grain β-amylase activity are caused by a surge in endosperm-specific β-amylase (Bmy1) gene expression during the early stages of grain development with high expression levels persisting throughout development. Origins of the high β-amylase activity trait are...

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