Biological Glossary | What is Aptamer?

Aptamers are single-stranded DNA or RNA molecules that bind to a specific target molecule. They are typically created by selecting them from a large random sequence pool, but natural aptamers also exist in riboswitches. They can bind to a wide range of targets, including small molecules, proteins, nucleic acids, and even cells, tissues, and organisms. Aptamers are useful in biochemistry and biotechnology in the areas of therapeutics, diagnostics, and drug discovery.

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