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Osmotically stress-regulated the expression of glutathione peroxidase 3 in Arabidopsis

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Chinese Science Bulletin

Abstract

Gene expression of glutathione peroxidase 3 (ATGPX3) in response to osmotic stress was analyzed in Arabidopsis using ATGPX3 promoter-glucuronidase (GUS) transgenic plants. High levels of GUS expression were detected under osmotic stress in ATGPX3 promoter-GUS transgenic plants. Compared with the wild type, the growth and development of ATGPX3 mutants (atgpx3-1) were more sensitive to mannitol. In addition, the expression of RD29A, ABI1, ABI2 and RbohD in atgpx3-1 was induced by ABA stress. These results suggest that ATGPX3 might be involved in the signal transduction of osmotic stress.

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Authors and Affiliations

  1. Key Laboratory of Plant Stress Biology, College of Life Sciences, Henan University, Kaifeng, 475001, China

    Miao YuChen, Guo JingGong, Liu ErTao, Li Kun, Dai Jie, Wang PengCheng & Song ChunPeng

  2. State Key Laboratory of Plant Physiology and Biochemistry, College of Biological Sciences, China Agricultural University, Beijing, 100094, China

    Miao YuChen & Chen Jia

Authors
  1. Miao YuChen
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  2. Guo JingGong
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  3. Liu ErTao
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  4. Li Kun
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  5. Dai Jie
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  6. Wang PengCheng
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  7. Chen Jia
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  8. Song ChunPeng
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Corresponding author

Correspondence to Song ChunPeng.

Additional information

Supported by the National Natural Science Foundation of China (Grant Nos. 30370765 & 30530430), the National Key Basic Special Founds (Grant No. 2003CB114305), and the Natural Science Foundation of Henan Province (Grant No. 0411031400)

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Miao, Y., Guo, J., Liu, E. et al. Osmotically stress-regulated the expression of glutathione peroxidase 3 in Arabidopsis . CHINESE SCI BULL 52, 127–130 (2007). https://doi.org/10.1007/s11434-007-0021-7

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  • DOI: https://doi.org/10.1007/s11434-007-0021-7

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