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DNA recombinant technology & genetic engineering (1) several concepts

DNA recombinant technology & genetic engineering (1) several concepts * recombinant DNA * technology of recombinant DNA. * Genetic engineering general procedure A. separate B. cut C. linkage

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DNA recombinant technology & genetic engineering (1) several concepts

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  1. DNA recombinant technology & genetic engineering (1) several concepts * recombinant DNA * technology of recombinant DNA

  2. * Genetic engineering • general procedure • A. separate • B. cut • C. linkage • D. transfection or • transformation

  3. E. Screening a. separate * Vectors concept type

  4. * the sources of foreign target DNA three methods genomic DNA complementary DNA,cDNA synthetic DNA fragment Lehninger 112601

  5. Genomic DNA library cDNA library • b. cut • restriction endonuclease • concept • nomination • type

  6. 5’ G-A-A-T-T-C 3’ 3’ C-T-T-A-A-G 5’ 5’ G 3’ 5’ A-A-T-T-C 3’ 3’ C-T-T-A-A-5’ 3’ G 5’ sticky end

  7. 5’-A-G-C-T-3’ 3’-T-C-G-A-5’ 5’-A-G-3’ 5’-C-T-3’ 3’-T-C-5’ 3’-G-A-5’ blunt end

  8. Linkage • d. transformation or transfection • microinjection • transgenic • E. Screening • drug-resistance gene • X-gal screening

  9. Southern blot *digested with enzyme * electrophoresis * transfer * hybridization * autoradiography

  10. Lehninger 92201

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