GAI (Arabidopsis thaliana gene)

GA Insensitive
Gene Model
Identifiers
Organism Arabidopsis thaliana
Symbol GAI
Alt. symbols AT1G14920 ; F10B6.34; F10B6_34; GA INSENSITIVE; GAI PROTEIN; RESTORATION ON GROWTH ON AMMONIA; RGA2
Entrez 838057
RefSeq (mRNA) NM_101361
RefSeq (Prot) NP_172945
UniProt Q9LQT8
Gene ontology
Molecular Function • transcription factor activity
Cellular Component • nucleus
Biological Process • hyperosmotic salinity response
• negative regulation of gibberellic acid mediated signaling
• negative regulation of seed germination
• negative regulation of seed germination

GAI or Gibberellic-Acid Insensitive is a gene in Arabidopsis thaliana which is involved in regulation of plant growth.[1] GAI represses the pathway of gibberellin-sensitive plant growth. It does this by way of its conserved DELLA motif.[2]

References

  1. ↑ "Entrez Gene: GAI". NCBI. Retrieved 25 September 2017.
  2. ↑ Hirsch S, Oldroyd GE (August 2009). "GRAS-domain transcription factors that regulate plant development". Plant Signaling & Behavior. 4 (8): 698–700. doi:10.4161/psb.4.8.9176. PMC 2801379.

Further reading

  • De Grauwe L; et al. (2008). "Reduced gibberellin response affects ethylene biosynthesis and responsiveness in the Arabidopsis gai eto2-1 double mutant". New Phytol. 177 (1): 128–41. doi:10.1111/j.1469-8137.2007.02263.x. PMID 18078472.
  • Oh E; et al. (2007). "PIL5, a phytochrome-interacting bHLH protein, regulates gibberellin responsiveness by binding directly to the GAI and RGA promoters in Arabidopsis seeds". Plant Cell. 19 (4): 1192–1208. doi:10.1105/tpc.107.050153. PMC 1913757. PMID 17449805.
  • Busov V; et al. (2006). "Transgenic modification of gai or rgl1 causes dwarfing and alters gibberellins, root growth, and metabolite profiles in Populus". Planta. 224 (2): 288–299. doi:10.1007/s00425-005-0213-9. PMID 16404575.
  • Cao D; et al. (2005). "Loss of function of four DELLA genes leads to light- and gibberellin-independent seed germination in Arabidopsis". Planta. 223 (1): 105–113. doi:10.1007/s00425-005-0057-3. PMID 16034591.
  • "Arabidopsis thaliana TAIR10: Chr5:5149221..5151349". arabidopsis.org.
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