Selection Markers
Selection markers are genetic sequences that enable the direct selection or identification of a gene of interest during the process of genetic engineering. The gene of interest is incorporated into a cell, and the selection marker ensures its successful delivery. Typically, the selection marker is an antibiotic-resistance gene, which endows the organism with a resistance to a particular type of antibiotic. Across many fields, selection markers are used to improve the efficiency of genetic projects as they allow for the identification of target genes and the selection of desired traits. They are also utilized for the development of drug-resistant strains of bacteria and crop plants, allowing for the development of better crop varieties.
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