PPT-RESTRICTION ENZYMES AND VECTORS

GENETIC ENGINEERING Genetic engineering is the manipulation of genetic materials which can be introduced in the host organisms and thus change the phenotype of the host organism. Richard J. Roberts. New England Biolabs. CSHL - . 2013. AHA!. Danna, K., Nathans, D. (1971) Specific cleavage of simian virus 40 DNA by restriction endonuclease of . Hemophilus. influenza. . Proc. Natl. Acad. Sci. USA 68: 2913-2917. . Restriction Enzymes. General Genetics. Objectives:. Introduce the students to digest genomic DNA by restriction . endonucleases. .. Observe the results of digestion on . agarose. gel electrophoresis.. Presented by Fotios Patsalis . Bio . 446/546 FALL 2016. M/F 13.00-15.50h,. Castetter. . Hall 37. Restriction Enzymes: Molecular Scissors. Restriction enzymes (. endonuleases. ) are specific endonucleases which . Jasmin . Sutkovic. Principles . of cloning, vectors and cloning strategies. by . Jasmin SUTJOVIC. Principles of cloning, vectors and cloning strategies. DNA CLONING. DNA cloning is a technique for reproducing DNA fragments. . BIOTECHNOLOGY. What. . is. . biotechnology. ? . Biotechnology. = . bios. (. life. ) + logos (. study. . of). Literally. ‘. the. . study. of . tools. . from. living . things. ’. What. . Restriction enzymes. Polymerase enzyme. Strand-displacing polymerases. Helicase enzymes. Discovery and Obtainability:. Most enzymes are proteins discovered in cells.. But . DNAzymes. were . descovered. are. . working. ?. Restriction. Enzymes. Natural . occurrence. . of. . restriction. . enzymes. . is. in . bacteria. . for. . protecting. . them. . against. a . virus. . attack. . by. . Danielle R. . Snowflack. , Ph.D.. www.edvotek.com. EDVOTEK. The . Biotechnology Education. Company. Celebrating OVER 30 years . of science education!. Today’s Experiment. Restriction Enzymes allow researchers precisely cut DNA. : An enzymes that breaks down nucleic acid molecule by breaking the phosphodiester bonds at end 3. / . or 5. /.. Endonucleases. : . An Enzyme that hydrolyzes internal phosphodiester bonds in a polynucleotide chain or nucleic acid molecules.. Presented . by. Ms. . P. . . H. . Giri. Department of Microbiology. Deogiri . College, Aurangabad. B.Sc. T. Y. . Semester VI. Paper No. XIX. Recombinant DNA Technology. Ms. . Priyanka. H. . Giri. DNA manipulating enzymes:. the isolation of the restriction . endonuclease. from. E. coli K (. Meselson. & Yuan 1968). . It was evident . that the restriction . endonucleases. from . E. coli K . and . E. coli B were important examples of proteins. Restriction Modification System. Cutting DNA molecules. . Before 1970s, there was no method of cleaving DNA at the specific points.. All the available methods for fragmenting DNA were non-specific.. 1. https://. socratic.org. /questions/why-are-restriction-enzymes-important-for-recombinant-dna-technology. Restriction enzymes sometimes called molecular scissors . PART 1: Background. What do restriction enzymes do . Cutting DNA molecules. . Before 1970s, there was no method of cleaving DNA at the specific points.. All the available methods for fragmenting DNA were non-specific.. Mechanical shearing.