Single Strand Conformational Polymorphism Analysis
Single Strand Conformational Polymorphism Analysis (SSCP) is a genetic technique used for the detection of nucleotide sequence variations in DNA. It is based on the fact that a single-stranded DNA molecule adopts a variety of conformational states which are determined by its nucleotide sequence. SSCP can be used to distinguish among different DNA sequences due to the mobility shift that occurs when single-stranded DNA molecules with distinct structure move in a polyacrylamide gel. This technique is a powerful tool for characterizing mutations, particularly in regions of DNA that are difficult to clone or sequence, such as PCR amplicons or cDNA. It can also be used to identify polymorphic sequences in genomes or to detect the presence of unknown sequences. SSCP is a cost-effective, rapid, and sensitive method for detecting mutations, and it is advantageous for the analysis of large numbers of samples.
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