Journal Article

A Combination of the <i>Arabidopsis</i> DREB1A Gene and Stress-Inducible <i>rd29A</i> Promoter Improved Drought- and Low-Temperature Stress Tolerance in Tobacco by Gene Transfer

Mie Kasuga, Setsuko Miura, Kazuo Shinozaki and Kazuko Yamaguchi-Shinozaki

in Plant and Cell Physiology

Published on behalf of Japanese Society of Plant Physiologists

Volume 45, issue 3, pages 346-350
Published in print March 2004 | ISSN: 0032-0781
Published online March 2004 | e-ISSN: 1471-9053 | DOI: http://dx.doi.org/10.1093/pcp/pch037
A Combination of the Arabidopsis DREB1A Gene and Stress-Inducible rd29A Promoter Improved Drought- and Low-Temperature Stress Tolerance in Tobacco by Gene Transfer

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  • Biochemistry
  • Molecular and Cell Biology
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The transcription factor DREB1A/CBF3 specifically interacts with the dehydration responsive element (DRE/CRT) and induces expression of genes involved in environmental stress tolerance in Arabidopsis. Overexpression of DREB1A improved drought- and low-temperature stress tolerance in tobacco. The stress-inducible rd29A promoter minimized the negative effects on the plant growth in tobacco. Furthermore, we detected overexpression of stress-inducible target genes of DREB1A in tobacco. These results indicate that a combination of the rd29A promoter and DREB1A is useful for improvement of various kinds of transgenic plants that are tolerant to environmental stress.

Keywords: Keywords: Drought tolerance — Low-temperature stress tolerance — Stress-inducible promoter — Transgenic tobacco — Transcription factor.; Abbreviations: CaMV, cauliflower mosaic virus; DRE, dehydration responsive element; LEA, late embryogenesis abundant.

Journal Article.  3490 words.  Illustrated.

Subjects: Biochemistry ; Molecular and Cell Biology ; Plant Sciences and Forestry

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