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Osmotically stress-regulated the expression of glutathione peroxidase 3 in Arabidopsis
  • ISSN号:1001-6538
  • 期刊名称:科学通报(英文版)
  • 时间:0
  • 页码:127-130
  • 语言:中文
  • 分类:Q2[生物学—细胞生物学]
  • 作者机构:[1]Key Laboratory of Plant Stress Biology, College of Life Sciences, Henan University, Kaifeng 475001, China, [2]State Key Laboratory of Plant Physiology and Biochemistry, College of Biological Sciences, China Agricultural University, Beijing 100094, China
  • 相关基金: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)
  • 相关项目:拟南芥新的过氧化氢顺式元件及其结合蛋白的鉴定和功能分析
中文摘要:

谷胱甘肽过氧物的基因表示(ATGPX3 ) 3 用 ATGPX3 promoter-glucuronidase (GUS ) 在 Arabidopsis 响应渗透的应力被分析转基因的植物。GUS 表示的 Highlevels 在 ATGPX3 promoter-GUS 在渗透的应力下面被检测转基因的植物。与野类型相比, ATGPX3 异种(atgpx3-1 ) 的生长和发展对甘露糖醇更敏感。另外,在 atgpx3-1was 的 RD29A, ABI1, ABI2 和 RbohD 的表示由骆驼毛的织物应力导致了。这些结果建议 ATGPX3 可能涉及渗透的应力的 signaltransduction。

英文摘要:

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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