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Scientists creating synthetic organism B9802095 Kevin Sheu ( 許傑 ) 醫學二
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Vocabulary introduction Supplements discussion Outline
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Vocabulary Piecemeal 逐漸的 Menagerie 動物展 Anew 重新 Play down 貶低 Patent 專利 Moratorium 暫停 ; 中止
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Vocabulary Mandate 命令 Culmination 巔峰 Consortium 財團 Customize 訂做 Meld 融合 Watermark 水印
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Scientists have created a synthetic cell, completely controlled by man-made genetic instructions. The development may stir anew nagging questions of ethics, law and public safety. It has the potential to transform genetic engineering. First part
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Some researchers chose neutral terms to describe the experimental cell. Some play down the development. Some view this as an organism with a synthetic genome, not as a synthetic organism. Second part
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Several companies are already seeking to take advantage of the new field called synthetic biology. Environment groups issued a statement “regulate all synthetic biology experiments and products” There was no immediate reaction from Roman Catholic and protestant groups. Third part
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Wrote out the DNA code Revise the sequence Synthesize small fragments Connect the strips Inject the connected DNA into the genome-removed cell Introduction of DNA synthesis
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Introduction of shotgun sequencing
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(from Mycoplasma capricolum’DNA and M. capricolum’s cell, which lives in ruminants causing lung disease.) Mycoplasma mycoides JCVI-syn1.0
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James Joyce: 生存、犯錯、倒下、戰勝,用生命創造 生命 J. Robert Oppenheimer: 觀看事物潛能而非表象 Richard Feynman: 我無法創造的,我無法了解 Watermarks in JCVI-syn1.0
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Human genome project Celera Genomics corp. Kistler Prize ENI award J. Craig Venter
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Artificially synthesized polymer similar to DNA or RNA PNA's backbone is composed of repeating N-(2- aminoethyl)-glycine units linked by peptide bonds. Purine and pyrimidine bases are linked to the backbone by methylene carbonyl bonds. Usage: diagnostic assays and antisense therapies Earliest life on Earth may have used PNA as a genetic material Peptide Nucleic Acid (PNA- 肽核酸 )
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1. Will you back up this technique or are against it? 2. What kind of problem might happen if this technique matures? Discussion
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