Article
A new role for the Arabidopsis AP2 transcription factor, LEAFY PETIOLE, in gibberellin-induced germination is revealed by the misexpression of a homologous gene, SOB2/DRN-LIKE.
The Plant cell - 1 Jan 2006
Ward Jason M, Smith Alison M, Shah Purvi K, Galanti Sarah E, Yi Hankuil, Demianski Agnes J, van der Graaff Eric, Keller Beat, Neff Michael M
Abstract excerpt
Gibberellic acid (GA) promotes germination, stem/hypocotyl elongation, and leaf expansion during seedling development. Using activation-tagging mutagenesis, we identified a mutation, sob2-D (for suppressor of phytochromeB-4 [phyB-4]#2 dominant), which suppresses the long-hypocotyl phenotype of a phyB missense allele, phyB-4. This mutant phenotype is caused by the overexpression of an APETALA2 transcription...
Topics
- Amino Acid Sequence
- Arabidopsis
- Arabidopsis Proteins
- Darkness
- Gene Expression Regulation, Plant
- Germination
- Gibberellins
- Light
- Molecular Sequence Data
- Mutation