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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 

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Gene Review: 

PR5  -  pathogenesis-related protein 5

Arabidopsis thaliana

Synonyms: PATHOGENESIS-RELATED PROTEIN 5, PR-5, pathogenesis-related gene 5
 
 
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Disease relevance of PR5

  • Expression of stress-induced genes CHS and PR-5 was strongly up-regulated by stem removal, and was highest on day 4 after decapitation [1].
  • Colonization of the Arabidopsis rhizosphere by fluorescent Pseudomonas spp. activates a root-specific, ethylene-responsive PR-5 gene in the vascular bundle [2].
 

High impact information on PR5

  • The release of singlet oxygen in the flu mutant triggers a drastic increase in the concentration of free SA and activates the expression of PR1 and PR5 genes [3].
  • There was a reverse correlation between the H2O2 steady-state concentration and the PR-5 gene expression; Ws showed the highest level of H2O2 accumulation but the lowest expression level of the PR-5 gene [4].
  • Moreover, the signal transduction or gene regulation pathway for PR-5 differs from the other molecular markers used in this study [4].
  • The sail mutant so identified expressed neither the PR-1a:tms2 transgene nor the endogenous Arabidopsis PR-1, PR-2, and PR-5 genes in response to SA [5].
 

Biological context of PR5

  • Analysis of marker gene expression using these HIFs indicated a negative correlation between the induced amount of transcripts of SA-dependent genes PR1, ICS and PR5, and the in planta bacterial growth in the HIF segregating at PRP-Ps2 locus, suggesting an implication of PRP-Ps2 in the activation of SA dependent responses [6].
 

Associations of PR5 with chemical compounds

  • No synergistic effect was observed on the expression of either the SA-dependent acidic PR1 gene or the ethylene-dependent basic PR5 gene in tobacco plants [7].

References

  1. Anthocyanin accumulation and changes in CHS and PR-5 gene expression in Arabidopsis thaliana after removal of the inflorescence stem (decapitation). Li, S., Strid, A. Plant Physiol. Biochem. (2005) [Pubmed]
  2. Colonization of the Arabidopsis rhizosphere by fluorescent Pseudomonas spp. activates a root-specific, ethylene-responsive PR-5 gene in the vascular bundle. Léon-Kloosterziel, K.M., Verhagen, B.W., Keurentjes, J.J., VanPelt, J.A., Rep, M., VanLoon, L.C., Pieterse, C.M. Plant Mol. Biol. (2005) [Pubmed]
  3. The role of EDS1 (enhanced disease susceptibility) during singlet oxygen-mediated stress responses of Arabidopsis. Ochsenbein, C., Przybyla, D., Danon, A., Landgraf, F., Göbel, C., Imboden, A., Feussner, I., Apel, K. Plant J. (2006) [Pubmed]
  4. Supplementary ultraviolet-B irradiation reveals differences in stress responses between Arabidopsis thaliana ecotypes. Kalbina, I., Strid, A. Plant Cell Environ. (2006) [Pubmed]
  5. Characterization of a salicylic acid-insensitive mutant (sai1) of Arabidopsis thaliana, identified in a selective screen utilizing the SA-inducible expression of the tms2 gene. Shah, J., Tsui, F., Klessig, D.F. Mol. Plant Microbe Interact. (1997) [Pubmed]
  6. Natural Variation in Partial Resistance to Pseudomonas syringae Is Controlled by Two Major QTLs in Arabidopsis thaliana. Perchepied, L., Kroj, T., Tronchet, M., Loudet, O., Roby, D. PLoS ONE (2006) [Pubmed]
  7. Defense and resistance-inducing activities in tobacco of the sulfated beta-1,3 glucan PS3 and its synergistic activities with the unsulfated molecule. Ménard, R., de Ruffray, P., Fritig, B., Yvin, J.C., Kauffmann, S. Plant Cell Physiol. (2005) [Pubmed]
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