Issue Date: February 6, 2012
DNA Nanostructure Controls Transcription
Japanese scientists have designed a DNA nanostructure that mechanically controls gene transcription (J. Am. Chem. Soc., DOI: 10.1021/ja2074856). Hiroshi Sugiyama, Masayuki Endo, and coworkers at Kyoto University attached a tubular DNA nanostructure to a double-stranded DNA template containing a promoter region that is enclosed in the tube. The tube also has single-stranded DNA called toehold strands. When complementary DNA binds . . .
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