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Gene Review

GBF3  -  G-box binding factor 3

Arabidopsis thaliana

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Disease relevance of GBF3


High impact information on GBF3


Biological context of GBF3

  • We show that at least a part of the inability of PpABI3A to fully complement the phenotypes of the Arabidopsis abi3-6 mutant is due to a weak interaction between PpABI3A and the bZIP transcription factor ABI5, as assayed functionally in barley aleurone and physically in the yeast-two-hybrid assay [7].

Associations of GBF3 with chemical compounds


Other interactions of GBF3

  • Homodimers of the three proteins specifically recognize the G-box motif, with GBF1 and GBF3 binding symmetrically to this palindromic sequence [5].
  • The fact that GBF1, GBF2 and GBF3 possess both distinct DNA binding properties and expression characteristics prompt us to entertain the notion that these proteins may individually mediate distinct subclasses of expression properties assigned to the G-box [5].
  • The results of yeast two-hybrid assays and in vitro binding assays indicated that GPRI1 can interact with the Pro-rich regions of GBF1 and GBF3 [10].
  • The Arabidopsis bZIP transcription factor gene ATB2 has been shown previously to be expressed in a light-regulated and tissue-specific way [11].
  • The binding specificity and tissue-specific expression pattern of TGA2 (AHBP-1b), an Arabidopsis bZIP transcription factor have been determined [12].


  1. Functional roles of the pepper pathogen-induced bZIP transcription factor, CAbZIP1, in enhanced resistance to pathogen infection and environmental stresses. Lee, S.C., Choi, H.W., Hwang, I.S., Choi, d.u. .S., Hwang, B.K. Planta (2006) [Pubmed]
  2. Targeted destabilization of HY5 during light-regulated development of Arabidopsis. Osterlund, M.T., Hardtke, C.S., Wei, N., Deng, X.W. Nature (2000) [Pubmed]
  3. The transcription factor FLC confers a flowering response to vernalization by repressing meristem competence and systemic signaling in Arabidopsis. Searle, I., He, Y., Turck, F., Vincent, C., Fornara, F., Kröber, S., Amasino, R.A., Coupland, G. Genes Dev. (2006) [Pubmed]
  4. A divergent external loop confers antagonistic activity on floral regulators FT and TFL1. Ahn, J.H., Miller, D., Winter, V.J., Banfield, M.J., Lee, J.H., Yoo, S.Y., Henz, S.R., Brady, R.L., Weigel, D. EMBO J. (2006) [Pubmed]
  5. Heterodimerization between light-regulated and ubiquitously expressed Arabidopsis GBF bZIP proteins. Schindler, U., Menkens, A.E., Beckmann, H., Ecker, J.R., Cashmore, A.R. EMBO J. (1992) [Pubmed]
  6. A conserved upstream open reading frame mediates sucrose-induced repression of translation. Wiese, A., Elzinga, N., Wobbes, B., Smeekens, S. Plant Cell (2004) [Pubmed]
  7. Characterization and functional analysis of ABSCISIC ACID INSENSITIVE3-like genes from Physcomitrella patens. Marella, H.H., Sakata, Y., Quatrano, R.S. Plant J. (2006) [Pubmed]
  8. Transcription factor veracity: is GBF3 responsible for ABA-regulated expression of Arabidopsis Adh? Lu, G., Paul, A.L., McCarty, D.R., Ferl, R.J. Plant Cell (1996) [Pubmed]
  9. The light-regulated Arabidopsis bZIP transcription factor gene ATB2 encodes a protein with an unusually long leucine zipper domain. Rook, F., Weisbeek, P., Smeekens, S. Plant Mol. Biol. (1998) [Pubmed]
  10. Arabidopsis GARP transcriptional activators interact with the Pro-rich activation domain shared by G-box-binding bZIP factors. Tamai, H., Iwabuchi, M., Meshi, T. Plant Cell Physiol. (2002) [Pubmed]
  11. Sucrose-specific signalling represses translation of the Arabidopsis ATB2 bZIP transcription factor gene. Rook, F., Gerrits, N., Kortstee, A., van Kampen, M., Borrias, M., Weisbeek, P., Smeekens, S. Plant J. (1998) [Pubmed]
  12. Binding specificity and tissue-specific expression pattern of the Arabidopsis bZIP transcription factor TGA2. de Pater, S., Pham, K., Memelink, J., Kijne, J. Mol. Gen. Genet. (1996) [Pubmed]
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