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논문 기본 정보

자료유형
학술저널
저자정보
Kwon, Hawk-Bin (Division of Biomedical Sciences, Sunmoon University) Hwang, Eul-Won (Division of Biomedical Sciences, Sunmoon University) Cheong, Jong-Joo (Center for Agricultural Biomaterials, Seoul National University)
저널정보
한국응용생명화학회 Applied Biological Chemistry Applied Biological Chemistry 제52권 제5호
발행연도
2009.1
수록면
405 - 411 (7page)

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EREBP, ethylene responsive element binding protein, plays a role in plant tolerance to abiotic stresses such as low temperatures, drought and high salinity. We previously used cDNA microarrays and northern blot analysis to determine the mechanisms responsible for those underlying defenses. These analyses led to identification of CaEREBP-C4, a gene that encodes the ethylene responsive element binding protein from hot pepper (Capsicum annuum). In that study, we demonstrated that the CaEREBP-C4 gene was strongly induced by cold stress. Here, we used Ti-plasmid and Agrobacterium-mediated transformation to engineer CaEREBP-C4 under control of the CaMV 35S promoter for constitutive expression in transgenic tobacco. The resultant CaEREBP-C4 transgenic plants exhibited significantly increased tolerance to low temperature. Moreover, the transgenic plants that showed strong cold tolerance also had greater tolerance to drought stress. In addition, none of the CaEREBP-C4 transgenic plants showed visible phenotypic alteration when compared to wild type plants. Taken together, these results suggest that CaEREBP-C4 plays a biological role in conferring plant abiotic stress tolerance.

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