nanoDNA

DNA wrapped around nanotube enters plant leaf

A gene (red and white) bound to a carbon nanotube can easily diffuse into plant cells, where it is expressed as if it were the cell’s own gene. In this case, inserting the gene for green fluorescent protein makes the leaves glow green. The nanotube is 1 nanometer in diameter and several hundred nanometers long. (Graphic by Ella Marushchenko)

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