Gene Review:
GPX3 - glutathione peroxidase 3
Arabidopsis thaliana
Synonyms:
ATGPX3, T1O24.9
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High impact information on ATGPX3
- The reduced form of ABI2 was converted to the oxidized form by the addition of oxidized ATGPX3 in vitro, which might mediate ABA and oxidative signaling [1].
- These results suggest that ATGPX3 might play dual and distinctive roles in H(2)O(2) homeostasis, acting as a general scavenger and specifically relaying the H(2)O(2) signal as an oxidative signal transducer in ABA and drought stress signaling [1].
Associations of ATGPX3 with chemical compounds
- We isolated two T-DNA insertion mutants of Arabidopsis thaliana GLUTATHIONE PEROXIDASE3 (ATGPX3) that exhibited a higher rate of water loss under drought stress, higher sensitivity to H(2)O(2) treatment during seed germination and seedling development, and enhanced production of H(2)O(2) in guard cells [1].
Other interactions of ATGPX3
- The phosphatase activity of ABI2, measured in vitro, was reduced approximately fivefold by the addition of oxidized ATGPX3 [1].
References
- An Arabidopsis glutathione peroxidase functions as both a redox transducer and a scavenger in abscisic Acid and drought stress responses. Miao, Y., Lv, D., Wang, P., Wang, X.C., Chen, J., Miao, C., Song, C.P. Plant Cell (2006) [Pubmed]
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