Article
Seed dormancy and ABA metabolism in Arabidopsis and barley: the role of ABA 8'-hydroxylase.
The Plant journal : for cell and molecular biology - 1 Mar 2006
Millar Anthony A, Jacobsen John V, Ross John J, Helliwell Chris A, Poole Andrew T, Scofield Graham, Reid James B, Gubler Frank
Abstract excerpt
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...
Topics
- Abscisic Acid
- Arabidopsis
- Cytochrome P-450 Enzyme System
- DNA, Bacterial
- Dioxygenases
- Gene Expression Regulation, Plant
- Hordeum
- Mixed Function Oxygenases
- Mutagenesis, Insertional
- Mutation
- Oxygenases
- Plant Proteins
- RNA, Messenger
- Seeds