![]() Sanger method is a classical DNA sequencing method that utilizes fluorescent ddNTPs (dideoxynucleotides, N = A, T, G, or C) to prevent the addition of another nucleotide. Sanger sequencing was discovered by English biochemist Frederick Sanger in the 1970s. Thanks to the tremendous improvement in DNA sequencing technologies and methods, whole genome sequencing has become possible and affordable. This complementary base-pairing is the basis for the mechanism by which DNA molecules are copied, transcribed and translated, and the pairing also underlies most of DNA sequencing methods. ![]() The based-paired structure makes DNA sequence well suited to the storage of a vast amount of genetic information. The human genome contains around 3 billion base pairs that provide the instructions for the creation and maintenance of a human being. Adenine (A) pairs with thymine (T) and cytosine (C) pairs with guanine (G). In the DNA double helix, the four bases bond with the specific partner to form units called base pairs (bp). DNA Sequencing is the method that determines the order of the four nucleotides bases (adenine, thymine, cytosine, and guanine) that make up the DNA molecule and convey important genetic information.
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