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Gene Review

THI2.1  -  thionin 2.1

Arabidopsis thaliana

Synonyms: THI2.1.1, THIONIN 2.1
 
 
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Disease relevance of THI2.1

  • No transcripts for pathogenesis-related PR-1, PR-5, or the pathogen-inducible plant defensin Pdf1.2 could be detected in uninoculated transgenic seedlings, indicating that all of the observed effects of the overexpressing lines are most likely the result of the toxicity of the THI2.1 thionin [1].
 

High impact information on THI2.1

 

Biological context of THI2.1

  • The expression of the Thi2.1 gene is highly inducible in seedlings by pathogens, silver nitrate, and methyl jasmonate, but not by salicylate, indicating that the gene is induced by a signal transduction pathway that is at least partly different from that for the pathogenesis-related proteins [5].
  • In this report, we isolated and characterized a novel recessive mutant, cex1, conferring constitutive JA-responsive phenotypes including JA-inhibitory growth and constitutive expression of JA-regulated AtVSP, Thi2.1 and PDF1 [6].
 

Associations of THI2.1 with chemical compounds

References

  1. Overexpression of an endogenous thionin enhances resistance of Arabidopsis against Fusarium oxysporum. Epple, P., Apel, K., Bohlmann, H. Plant Cell (1997) [Pubmed]
  2. Biochemical and molecular characterization of a hydroxyjasmonate sulfotransferase from Arabidopsis thaliana. Gidda, S.K., Miersch, O., Levitin, A., Schmidt, J., Wasternack, C., Varin, L. J. Biol. Chem. (2003) [Pubmed]
  3. Systemic and local induction of an Arabidopsis thionin gene by wounding and pathogens. Vignutelli, A., Wasternack, C., Apel, K., Bohlmann, H. Plant J. (1998) [Pubmed]
  4. Transgenic tomato plants expressing an Arabidopsis thionin (Thi2.1) driven by fruit-inactive promoter battle against phytopathogenic attack. Chan, Y.L., Prasad, V., Sanjaya, n.u.l.l., Chen, K.H., Liu, P.C., Chan, M.T., Cheng, C.P. Planta (2005) [Pubmed]
  5. An Arabidopsis thaliana thionin gene is inducible via a signal transduction pathway different from that for pathogenesis-related proteins. Epple, P., Apel, K., Bohlmann, H. Plant Physiol. (1995) [Pubmed]
  6. An Arabidopsis mutant cex1 exhibits constant accumulation of jasmonate-regulated AtVSP, Thi2.1 and PDF1.2. Xu, L., Liu, F., Wang, Z., Peng, W., Huang, R., Huang, D., Xie, D. FEBS Lett. (2001) [Pubmed]
  7. Wounding and chemicals induce expression of the Arabidopsis thaliana gene Thi2.1, encoding a fungal defense thionin, via the octadecanoid pathway. Bohlmann, H., Vignutelli, A., Hilpert, B., Miersch, O., Wasternack, C., Apel, K. FEBS Lett. (1998) [Pubmed]
 
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