University of Freiburg, Faculty of Biology, Institute for Biology II, Botany / Plant Physiology, Schänzlestr. 1, D-79104 Freiburg, Germany (KG, GLM)
Department of Plant Breeding & Genetics, Max Planck Institute for Plant Breeding Research, Carl-von-Linné-Weg 10, 50829 Cologne, Germany (KN, EM, WM)
School of Biological Sciences, Plant Molecular Science, Royal Holloway, University of London, Egham, Surrey TW20 0EX, Uk (GLM);
Web: 'The Seed Biology Place' - www.seedbiology.eu
*Equal contribution
Received 2012; Revised 2012; Accepted 2012
Article first published online: 19 June 2012
DOI 10.1111/j.1365-3040.2012.02542.x
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Table 1. Genes
involved in dormancy regulation.
| Gene |
Encoded protein |
Biological function |
Species |
|
| Maturation regulators |
| ABI3/VP1 |
B3 TF |
Maturation regulation |
Arabidopsis, rice |
| FUS3 |
B3 TF |
Maturation regulation |
Arabidopsis |
| LEC1 |
HAP3 subunit of NF-Y TF |
Maturation regulation |
Arabidopsis |
| LEC2 |
B3 TF |
Maturation regulation |
Arabidopsis |
| VP8/PLA3/GO/AMP1 |
Glutamate carboxypeptidase |
– |
Arabidopsis, rice, maize |
| SUA |
Splicing factor |
Regulation of alternative splicing of ABI3 |
Arabidopsis |
|
| Hormone regulators |
| PYR, PYL/RCAR |
ABA receptors |
ABA perception |
Arabidopsis |
| ABI1, ABI2, HAB1, AHG3 |
Protein phosphatase 2C |
Negative regulators of ABA signalling |
Arabidopsis |
| SnRK2.2, 2.3, 2.6 |
Protein kinase |
Positive ABA signalling |
Arabidopsis |
| KAI1/MAX2 |
F-Box protein |
Strigolactone/karrikin signalling |
Arabidopsis |
|
| Other dormancy genes |
| DOG1 |
Unknown protein |
– |
Arabidopsis |
| Sdr4 |
Unknown protein |
– |
Rice |
| qSD7-1/qPC7/Rc/TT8 |
bHLH TF |
Flavonoid synthesis |
Arabidopsis, rice |
| DEP |
C3HC4 RING finger |
– |
Arabidopsis |
| AtHB20 |
Homeobox TF |
– |
Arabidopsis |
| CBF |
AP2 TF |
Cold response |
Arabidopsis |
| MFT |
Phosphatidylethanolamine-binding protein |
– |
Arabidopsis, wheat |
| FLC |
MADS-box TF |
Repressor of floral transition |
Arabidopsis |
|
| Epigenetic regulators |
| HUB1, HUB2 |
C3HC4 RING finger |
Histone H2B monoubiquitination |
Arabidopsis |
| RDO2 |
Transcription elongation factor SII |
Transcription elongation |
Arabidopsis |
| VIP4, VIP5, ELF7, ELF8, ATXR7 |
PAF1 components |
Transcription |
Arabidopsis |
| EFS |
Histone H3 methyltransferase |
H3K9 methylation |
Arabidopsis |
| FIE |
Component of PRC2 |
H3K27 trimethylation |
Arabidopsis |
| KYP/SUVH4, SUVH5 |
Histone methyltransferase |
H3K9 methylation |
Arabidopsis |
|
| Release from dormancy |
| SPT |
bHLH TF |
Integration of cold signal into GA signalling |
Arabidopsis |
| PIL5 |
bHLH TF |
Integration of light signal into GA signalling |
Arabidopsis |
| AtrbohB |
NADPH-oxidase |
ROS production |
Arabidopsis |
| PRT6, ATE |
Targeted proteolysis |
Inactivating components of ABA signalling |
Arabidopsis |
 |
 |
 |
 |
TF,
transcription factor; ROS, reactive oxygen species.
|