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OsHSF7 gene in rice, Oryza sativa L., encodes a transcription factor that functions as a high temperature receptive and responsive factor

文献类型: 外文期刊

作者: Liu, Jin-Ge 1 ; Qin, Qiu-lin 3 ; Zhang, Zhen 2 ; Peng, Ri-He 1 ; Xiong, Ai-sheng 1 ; Chen, Jian-Min 4 ; Yao, Quan-Hong 1 ;

作者机构: 1.Shanghai Acad Agr Sci, Biotechnol Res Inst, Shanghai 201106, Peoples R China

2.Nanjing Agr Univ, Dept Hort, Nanjing 210095, Peoples R China

3.Fudan Univ, Sch Life Sci, State Key Lab Genet Engn, Shanghai 200433, Peoples R China

4.Yangzhou Univ, Coll Biosci & Biotechnol, Yangzhou 225009, Peoples R China

关键词: Heat-shock factor;Heat tolerance;OsHSF7;Rice;Yeast one-hybrid

期刊名称:BMB REPORTS ( 影响因子:4.778; 五年影响因子:4.377 )

ISSN:

年卷期:

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收录情况: SCI

摘要: Three novel Class A genes that encode heat shock transcription factor (HSF) were cloned from Oryza Sativa L using a yeast hybrid method. The OsHSF7 gene was found to be rapidly expressed in high levels in response to temperature, which indicates that it may be involved in heat stress reception and response. Over-expression of OsHSF7 in transgenic Arabidopsis could not induced over the expression of most target heat stress-inducible genes of HSFs; however, the transcription of some HSF target genes was more abundant in transgenic plants following two hours of heat stress treatment. In addition, those transgenic plants also had a higher basal thermotolerance, but not acquired thermotolerance. Collectively, the results of this study indicate that OsHSF7 might play an important role in the response to high temperature. Specifically, these findings indicate that OsHSF7 may be useful in the production of transgenic monocots that can over-express protective genes such as HSPs in response to heat stress, which will enable such plants to tolerate high temperatures. [BMB reports 2009; 42(1): 16-21]

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