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The rice gene OsZFP6 functions in multiple stress tolerance responses in yeast and Arabidopsis

文献类型: 外文期刊

作者: Guan, Qing-jie 1 ; Wang, Li-feng 2 ; Bu, Qing-yun 1 ; Wang, Zhen-yu 1 ;

作者机构: 1.Chinese Acad Sci, Northeast Inst Geog & Agroecol, Key Lab Soybean Mol Design Breeding, Harbin 150081, Heilongjiang, Peoples R China

2.CATAS, Rubber Res Inst, State Key Lab Incubat Base Cultivat & Physiol Tro, Key Lab Biol & Genet Resources Rubber Tree,Minist, Danzhou 571737, Hainan, Peoples R China

3.Northeast Forestry Univ, ASNESC, Harbin 150040, Heilongjiang, Peoples R China

关键词: Zinc finger protein;Abiotic stress;Rice;Alkali;H_2O_2

期刊名称:PLANT PHYSIOLOGY AND BIOCHEMISTRY ( 影响因子:4.27; 五年影响因子:4.816 )

ISSN:

年卷期:

页码:

收录情况: SCI

摘要: The role of zinc finger proteins in organismal stress conditions has been widely reported. However, little is known concerning the function of CCHC-type zinc finger proteins in rice. In this study, OsZFP6, a rice CCHC-type zinc finger protein 6 gene, was cloned from rice using RT-PCR. The OsZFP6 protein contains 305 amino acids and a conserved zinc finger domain and is localised to the nucleus. Southern blot analysis revealed that a single copy was encoded in the rice genome. OsZFP6 expression was increased by abiotic stress, including salt (NaCl), alkali (NaHCO_3) and H_2O_2 treatment. When OsZFP6 was transformed into yeast, the transgenic yeast showed significantly increased resistance to NaHCO_3 compared to the control. Moreover, Arabidopsis transgenic plants overexpressing OsZFP6 were more tolerant to both NaHCO_3 and H_2O_2 treatments. Overall, we uncovered a role for OsZFP6 in abiotic stress responses and identified OsZFP6 as a putatively useful gene for developing crops with increased alkali and H_2O_2 tolerance.

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