Heterologous expression of the AtDREB1A gene in chrysanthemum increases drought and salt stress tolerance

  title={Heterologous expression of the AtDREB1A gene in chrysanthemum increases drought and salt stress tolerance},
  author={B Hong and Zheng Tong and Nan Ma and Jianke Li and Mie Kasuga and Kazuko Yamaguchi-Shinozaki and Junping Gao},
  journal={Science in China Series C: Life Sciences},
DNA cassette containing an AtDREB1A cDNA and a nos terminator, driven by a cauliflower mosaic 35S promoter, or a stress-inducible rd29A promoter, was transformed into the ground cover chrysanthemum (Dendranthema grandiflorum) ‘Fall Color’ genome. Compared with wild type plants, severe growth retardation was observed in 35S:DREB1A plants, but not in rd29A:DREB1A plants. RT-PCR analysis revealed that, under stress conditions, the DREB1A gene was over-expressed constitutively in 35S:DREB1A plants… CONTINUE READING

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