Antibiotic resistance genes are often used as selectable markers in vectors.

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Antibiotic resistance genes can be used as selectable markers in vectors by introducing the gene into the vector and then applying an antibiotic selection pressure. Only cells containing the vector with the antibiotic resistance gene will survive, allowing for selection and isolation of the transformed cells. However, the overuse and misuse of antibiotics has led to the development and spread of antibiotic-resistant bacterial strains, highlighting the importance of responsible use of antibiotics and alternative selectable markers in research.

Antibiotic Resistance Genes Are Often Used as Selectable Markers in Vectors