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.
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Project (No. 30471118) supported by the National Natural Science Foundation of China
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Wang, C., Zhang, Q. & Shou, Hx. Identification and expression analysis of OsHsfs in rice. J. Zhejiang Univ. Sci. B 10, 291–300 (2009). https://doi.org/10.1631/jzus.B0820190
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DOI: https://doi.org/10.1631/jzus.B0820190