Millar, Anthony; Jacobsen, J; Ross, John J; Helliwell, Christopher Andrew; Poole, Andrew; Scofield, Graham; Reid, James B; Gubler, Frank
We have investigated the relationship between seed dormancy and abscisic acid (ABA) metabolism in the monocot barley and the dicot Arabidopsis. Whether dormant (D) or non-dormant (ND), dry seed of Arabidopsis and embryos of dry barley grains all had similarly high levels of ABA. ABA levels decreased rapidly upon imbibition, although they fell further in ND than in D. Gene expression profiles were determined in Arabidopsis for key ABA biosynthetic [the 9-cis epoxycarotenoid dioxygenaseq3gene...[Show more]
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