Protein Information

Name ABI3
Synonyms ABI gene family member 3; ABI 3; ABI3; NESH; Nesh protein; New molecule including SH3; SSH3BP3; Nesh proteins…

Compound Information

Name gibberellins
CAS gibberellins

Reference List

PubMed Abstract RScore(About this table)
20013031 Graeber K, Linkies A, Muller K, Wunchova A, Rott A, Leubner-Metzger G: Cross-species approaches to seed dormancy and germination: conservation and biodiversity of ABA-regulated mechanisms and the Brassicaceae DOG1 genes. Plant Mol Biol. 2009 Dec 15.

The ABA-related transcription factor ABI3/VP1 (ABA INSENSITIVE3/VIVIPAROUS1) is widespread among green plants.
Seed germination of Lepidium sativum ('garden cress') is controlled by ABA and its antagonists gibberellins and ethylene and involves the production of apoplastic hydroxyl radicals.
3(0,0,0,3) Details
19556968 Piskurewicz U, Tureckova V, Lacombe E, Lopez-Molina L: Far-red light inhibits germination through DELLA-dependent stimulation of ABA synthesis and ABI3 activity. EMBO J. 2009 Jun 25;28(15):2259-2271.

This elicits a decrease in gibberellins (GA) levels and an increase in abscisic acid (ABA) levels.
3(0,0,0,3) Details
16916886 Yuan K, Wysocka-Diller J: Phytohormone signalling pathways interact with sugars during seed germination and seedling development. J Exp Bot. 2006;57(12):3359-67. Epub 2006 Aug 17.


This study demonstrates that the ABA Insensitive 3 (ABI3) gene in the ABA signalling pathway and the RGA-like 2 (RGL2) and SPINDLY (SPY) genes in the GA signalling pathways all play important roles in the glucose-induced delay of seed germination.
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19386806 Barrero JM, Talbot MJ, White RG, Jacobsen JV, Gubler F: Anatomical and transcriptomic studies of the coleorhiza reveal the importance of this tissue in regulating dormancy in barley. Plant Physiol. 2009 Jun;150(2):1006-21. Epub 2009 Apr 22.


Our results indicate that in the coleorhiza, ABA catabolism is promoted and ABA sensitivity is reduced and that this is associated with differential regulation by after-ripening of ABA 8'-hydroxylase and of the LIPID PHOSPHATE PHOSPHATASE gene family and ABI3-INTERACTING PROTEIN2, respectively.
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19413897 Pawlowski TA: Proteome analysis of Norway maple (Acer platanoides L.) seeds dormancy breaking and germination: influence of abscisic and gibberellic acids. BMC Plant Biol. 2009 May 4;9:48.

Seed dormancy breaking involves proteins of various processes but the proteasome proteins, S-adenosylmethionine synthetase, glycine-rich RNA binding protein, ABI3-interacting protein 1, EF-2 and adenosylhomocysteinase are of particular importance.
Hormonal imbalance between germination inhibitors (e.g. abscisic acid) and growth promoters (e.g. gibberellins) is the main cause of seed dormancy breaking.
1(0,0,0,1) Details