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Molecular cloning takes advantage of the fact that the chemical structure of DNA is fundamentally the same in all living organisms. Therefore, if any segment of DNA from any organism is inserted into a DNA segment containing the molecular sequences required for DNA replication, and the resulting recombinant DNA is introduced into the organism from which the replication sequences were obtained ...
Recombinant DNA (rDNA), or molecular cloning, is the process by which a single gene, or segment of DNA, is isolated and amplified. Recombinant DNA is also known as in vitro recombination . A cloning vector is a DNA molecule that carries foreign DNA into a host cell , where it replicates, producing many copies of itself along with the foreign DNA.
Use the enzyme DNA ligase to seal the DNA fragments into the vector. This creates a large pool of recombinant molecules. These recombinant molecules are taken up by a host bacterium by transformation, creating a DNA library. [9] [10] Below is a diagram of the above outlined steps. Genomic Library Construction
Description: en: Reproductive and therapeutic cloning english diagram / de: Reproduktives und therapeutisches Klonen mit englicsh Text / Somatic body cell with desired genes, Nucleus fused with enucleated egg cell, Clone, Egg cell, Nucleus removed, REPRODUCTIVE CLONING, THERAPEUTIC CLONING, Surrogate mother, Tissue culture
Usually the ultimate aim of expression cloning is to produce large quantities of specific proteins.To this end, a bacterial expression clone may include a ribosome binding site (Shine-Dalgarno sequence) to enhance translation of the gene of interest's mRNA, a transcription termination sequence, or, in eukaryotes, specific sequences to promote the post-translational modification of the protein ...
DNA: A Graphic Guide to the Molecule that Shook the World. Columbia University Press: ISBN 978-0-231-14271-7. Schultz, Mark and Zander Cannon. 2009. The Stuff of Life: A Graphic Guide to Genetics and DNA. Hill and Wang: ISBN 0-8090-8947-5. Watson, James. 2004. DNA: The Secret of Life. Random House: ISBN 978-0-09-945184-6.
In molecular cloning, a vector is any particle (e.g., plasmids, cosmids, Lambda phages) used as a vehicle to artificially carry a foreign nucleic sequence – usually DNA – into another cell, where it can be replicated and/or expressed. [1] A vector containing foreign DNA is termed recombinant DNA.
A cloning vector is a small piece of DNA that can be stably maintained in an organism, and into which a foreign DNA fragment can be inserted for cloning purposes. [1] The cloning vector may be DNA taken from a virus , the cell of a higher organism, or it may be the plasmid of a bacterium.