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زیست شناسی::
جهش زایی
In addition to isolating natural genes that encode proteins with useful properties, directed or random mutagenesis and selection schemes can be used to create a mutant form of a gene that encodes a protein with the desired properties.
In directed mutagenesis, a specific amino acid is tar geted for change by substituting nucleotides in the corresponding coding sequence in the gene.
In random mutagenesis, the amino acid changes that will result in the desired properties are unknown.
By using directed or random mutagenesis, proteins with enhanced char acteristics can be created for therapeutic or industrial applications.
Directed Mutagenesis
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