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자료유형
학술저널
저자정보
Lee, Hye Jin (Department of Life Science, College of Natural Sciences, Sogang University) Yang, Dong Hwa (Department of Life Science, College of Natural Sciences, Sogang University) Yim, Tae Hee (Department of Life Science, College of Natural Sciences, Sogang University) Rhee, Byung Kirl (Department of Life Science, College of Natural Sciences, Sogang University) Kim, Jung-Wook (Department of Life Science, College of Natural Sciences, Sogang University) Lee, Jungwoon (Department of Life Science, College of Natural Sciences, Sogang University) Gim, Jin Bae (Department of Life Science, College of Natural Sciences, Sogang University) Kim, JungHo (Department of Life Science, College of Natural Sciences, Sogang University)
저널정보
한국통합생물학회 Korean journal of biological sciences Korean journal of biological sciences 제6권 제4호
발행연도
2002.1
수록면
317 - 322 (6page)

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To improve conventional yeast one-hybrid screening, we have developed an efficient mammalian one-hybrid system that allows rapid isolation of com-plementary DNAs which are able to induce human p14$^{ARF}$. tumor suppressor gene. A 1.5 kb promoter region of p14$^{ARF}$ was fused to EGFP to generate ARF promoter-EGFP reporter vector. This reporter plasmid was stably trans-fected into NIH3T3 cells for generation of reporter cell line. When the reporter cell line was infected with E2F-1 together with excess amounts of empty vector, the cells that received the positive modulator were readily identifiable by green fluorescence using FACS. The GFP-positive cells were cloned directly from the cultured cells and expanded in bulk culture. The genomic DNAs from GFP-positive cells were prepared and the CDNA insert in integrated retroviral genome was recovered by PCR using primers annealing to the retroviral vector sequences flanking the insert-cloning site. This system should be useful for efficient screening of expression CDNA libraries in mammalian cells to identify novel upstream regulators for spe-cific genes by one-hybrid interaction.ion.

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