Yonghong Hu

Government of the People's Republic of China, Peping, Beijing, China

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Publications (1)2.51 Total impact

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    ABSTRACT: In our previous study, we identified a Rosa chinensis heat shock protein (HSP) gene, RcHSP17.8, which was induced by abiotic stresses, such as high temperature and osmotic stress. To analyze the expression of RcHSP17.8 and the function of cis-acting elements in the promoter region, a 1,910 bp fragment of the upstream sequence of the RcHSP17.8 translation initiation codon and five promoter deletion fragments were fused to a β-glucuronidase (GUS) report gene. These plasmids were transferred to Arabidopsis thaliana via Agrobacterium. GUS staining was seen in all the organs, especially in the vascular tissues after heat treatment. In transgenic Arabidopsis, GUS expression driven by the full length promoter was significantly higher under heat shock, but no GUS activity was detected under other abiotic stresses. Deletion analysis indicated that the region from -178 to -771 was essential for the promoter's response to high temperature.
    Molecular Biology Reports 05/2011; 39(2):1145-51. · 2.51 Impact Factor