ABA Biosynthesis |
ABA1 |
Zeaxanthin epoxidase (ZEP) |
aba1, vp2/5/7/9 |
Reduced dormancy |
Arabidopsis, Maize, Tobacco |
[104] |
ABA2 |
Short-chain dehydrogenase reductase (AB-SDR) |
aba2 |
Reduced dormancy |
Arabidopsis |
[31], [37]
|
ABA2 |
Zeaxanthin epoxidase (ZEP) |
aba2 |
Reduced dormancy |
Tobacco |
[37] |
VP14 |
9-cis Epoxycarotenoid dioxygenase |
vp14 |
Reduced dormancy |
Maize |
[35], [205]
|
NCED |
9-cis Epoxycarotenoid dioxygenase |
nced1-9 |
Reduced dormancy |
Arabidopsis, Bean, Brachypodium distachyon
|
[44] |
AAO3 |
Aldehyde oxidase 3 |
aao3-1 |
Slightly reduced dormancy |
Arabidopsis |
[47] |
|
ABA Catabolism |
CYP707A2 |
ABA 8′-hydroxylase |
cyp707a2-1/2 |
Enhanced dormancy |
Arabidopsis |
[27] |
CYP707A1 |
ABA 8′-hydroxylase |
cyp707a1 |
Enhanced dormancy |
Arabidopsis |
[28], [206]
|
|
ABA signaling components |
PYR, PYL/RCAR |
ABA receptors |
Pyls |
Reduced dormancy and ABA sensitivity |
Arabidopsis , Rice |
[29], [30]
|
ABI1 |
Protein phosphatase 2C |
abi1-1 |
Reduced dormancy and ABA sensitivity |
Arabidopsis |
[207], [208], [209]
|
ABI2 |
Protein phosphatase 2C |
abi2-1 |
Reduced dormancy and ABA sensitivity |
Arabidopsis |
[209], [210], [211]
|
AHG1 |
Protein phosphatase 2C |
ahg1-1/2/3/4/5 |
Enhanced dormancy and ABA sensitivity |
Arabidopsis |
[54], [55]
|
AHG3 |
Protein phosphatase 2C |
Ahg3-1/2 |
Enhanced dormancy and ABA sensitivity |
Arabidopsis |
[212], [213]
|
SnRK2s |
Protein kinase |
snrk2.2, 2.3, 2.6 triple mutant |
Green seed, Reduced dormancy and ABA sensitivity |
Arabidopsis |
[214], [215]
|
|
Transcription factors |
ABI3/VP1 |
B3 domain |
abi3-1 to 17, vp1 |
Green seed, Reduced dormancy and ABA sensitivity |
Arabidopsis, Rice, Maize |
[60], [216], [217]
|
ABI4 |
ERF/APETALA domain |
abi4-1 |
ABA insensitive |
Arabidopsis |
[75], [218]
|
ABI5 |
ABF, bZIP |
abi5-1/7/8 |
ABA insensitive |
Arabidopsis |
[60], [219]
|
FUS3 |
B3 domain |
fus3-3/8 |
Reduced dormancy |
Arabidopsis |
|
LEC1 |
B3 domain |
lec1-1/2 |
Reduced dormancy |
Arabidopsis |
[68], [220]
|
LEC2 |
B3 domain |
lec2-1/3 |
Reduced dormancy |
Arabidopsis |
[26], [220]
|