Lecture explains the role of alkalyne phosphatase in DNA cloning.
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Molecular cloning is the laboratory process used to create recombinant DNA.[1][2][3][4] It is one of two widely used methods (along with polymerase chain reaction, abbr. PCR) used to direct the replication of any specific DNA sequence chosen by the experimentalist. The fundamental difference between the two methods is that molecular cloning involves replication of the DNA within a living cell, while PCR replicates DNA in the test tube, free of living cells.
Formation of recombinant DNA requires a cloning vector, a DNA molecule that will replicate within a living cell. Vectors are generally derived from plasmids or viruses, and represent relatively small segments of DNA that contain necessary genetic signals for replication, as well as additional elements for convenience in inserting foreign DNA, identifying cells that contain recombinant DNA, and, where appropriate, expressing the foreign DNA. The choice of vector for molecular cloning depends on the choice of host organism, the size of the DNA to be cloned, and whether and how the foreign DNA is to be expressed.[5] The DNA segments can be combined by using a variety of methods, such as restriction enzyme/ligase cloning or Gibson assembly.
In standard cloning protocols, the cloning of any DNA fragment essentially involves seven steps: (1) Choice of host organism and cloning vector, (2) Preparation of vector DNA, (3) Preparation of DNA to be cloned, (4) Creation of recombinant DNA, (5) Introduction of recombinant DNA into the host organism, (6) Selection of organisms containing recombinant DNA, (7) Screening for clones with desired DNA inserts and biological properties.[4] These steps are described in some detail in a related article (molecular cloning). Source of the article published in description is Wikipedia. I am sharing their material. Copyright by original content developers of Wikipedia.
Link- http://en.wikipedia.org/wiki/Main_Page Material source: Principles of Gene Manipulation and Genomics
Sandy B. Primrose (Author), Richard Twyman (Author)
Link- http://www.amazon.com/Principles-Mani...
Role of alkalyne phosphaase in molecular cloning rdtw | |
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