News FocusMolecular Biology

Spinning Junk Into Gold

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Science  13 Jun 2003:
Vol. 300, Issue 5626, pp. 1646-1649
DOI: 10.1126/science.300.5626.1646

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Scientists are finding surprising uses for so-called junk DNA, stretches of DNA with no obvious function that are scattered among genes. Some stretches encode enzymes that ferry genes into precise locations; other "junk" seamlessly edits proteins.