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Gene Review: 

AT3G52960  -  peroxiredoxin-2E

Arabidopsis thaliana

Synonyms: At3g52960, F8J2_130, PRXIIE, Peroxiredoxin IIE, Peroxiredoxin-2E, chloroplastic, ...
 
 
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High impact information on AT3G52960

  • Vitamin E is considered a major antioxidant in biomembranes, but little evidence exists for this function in plants under photooxidative stress [1].
  • Vitamin B6 is an essential coenzyme for numerous metabolic enzymes and is a potent antioxidant [2].
  • Most studies on the function of tocopherols in plants have focused on their photo-protective and antioxidant properties, and it has been recently suggested, though not yet demonstrated, that they may also play a role in cellular signaling [3].
  • The Arabidopsis ascorbate peroxidase 3 is a peroxisomal membrane-bound antioxidant enzyme and is dispensable for Arabidopsis growth and development [4].
  • Content of reactive oxygen species (ROS): O2*-, H2O2 and OH* as well as activities of antioxidant enzymes: superoxide dismutase (SOD), guaiacol peroxidase (POX) and catalase (CAT) were studied in leaves of Arabidopsis thaliana ecotype Columbia, treated with Cu excess (0, 5, 25, 30, 50, 75, 100, 150 and 300 microM) [5].
 

Biological context of AT3G52960

 

Analytical, diagnostic and therapeutic context of AT3G52960

  • Taken together, the results demonstrate an antioxidant role for plant oxy5 gene in mammalian cells, which can be potentially utilized in gene therapy programs aimed at reducing the deleterious effects of ROS [6].

References

  1. Vitamin E protects against photoinhibition and photooxidative stress in Arabidopsis thaliana. Havaux, M., Eymery, F., Porfirova, S., Rey, P., Dörmann, P. Plant Cell (2005) [Pubmed]
  2. PDX1 is essential for vitamin B6 biosynthesis, development and stress tolerance in Arabidopsis. Titiz, O., Tambasco-Studart, M., Warzych, E., Apel, K., Amrhein, N., Laloi, C., Fitzpatrick, T.B. Plant J. (2006) [Pubmed]
  3. alpha-Tocopherol may influence cellular signaling by modulating jasmonic acid levels in plants. Munné-Bosch, S., Weiler, E.W., Alegre, L., Müller, M., Düchting, P., Falk, J. Planta (2007) [Pubmed]
  4. The Arabidopsis ascorbate peroxidase 3 is a peroxisomal membrane-bound antioxidant enzyme and is dispensable for Arabidopsis growth and development. Narendra, S., Venkataramani, S., Shen, G., Wang, J., Pasapula, V., Lin, Y., Kornyeyev, D., Holaday, A.S., Zhang, H. J. Exp. Bot. (2006) [Pubmed]
  5. Copper-induced oxidative stress and antioxidant defence in Arabidopsis thaliana. Drazkiewicz, M., Skórzyńska-Polit, E., Krupa, Z. Biometals (2004) [Pubmed]
  6. Oxy5, a novel protein from Arabidopsis thaliana, protects mammalian cells from oxidative stress. Kush, A., Sabapathy, K. Int. J. Biochem. Cell Biol. (2001) [Pubmed]
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