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ZJUS-B
Journal of Zhejiang University-SCIENCE B (Biomedicine & Biotechnology)  2009, Vol. 10 Issue (4): 291-300    DOI: 10.1631/jzus.B0820190
Biotechnology     
Identification and expression analysis of OsHsfs in rice
Chuang WANG, Qian ZHANG, Hui-xia SHOU
State Key Laboratory of Plant Physiology and Biochemistry, College of Life Science, Zhejiang University, Hangzhou 310058, China
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Abstract  Heat stress transcription factors (Hsfs) are the central regulators of defense response to heat stress. We identified a total of 25 rice Hsf genes by genome-wide analysis of rice (Oryza sativa L.) genome, including the subspecies of O. japonica and O. indica. Proteins encoded by OsHsfs were divided into three classes according to their structures. Digital Northern analysis showed that OsHsfs were expressed constitutively. The expressions of these OsHsfs in response to heat stress and oxidative stress differed among the members of the gene family. Promoter analysis identified a number of stress-related cis-elements in the promoter regions of these OsHsfs. No significant correlation, however, was found between the heat-shock responses of genes and their cis-elements. Overall, our results provide a foundation for future research of OsHsfs function.

Key words： Heat shock      Transcription factors      Rice      Protein structure      Expression analysis     
Received: 12 June 2008     
CLC:  Q75  
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Chuang WANG
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Hui-xia SHOU
Cite this article:

Chuang WANG, Qian ZHANG, Hui-xia SHOU. Identification and expression analysis of OsHsfs in rice. Journal of Zhejiang University-SCIENCE B (Biomedicine & Biotechnology), 2009, 10(4): 291-300.

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http://www.zjujournals.com/xueshu/zjus-b/10.1631/jzus.B0820190     OR     http://www.zjujournals.com/xueshu/zjus-b/Y2009/V10/I4/291

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