Tag: catabolite activator protein

Illuminating error

pGLO contamination [CC-BY-SA-3.0 Steve Cook]

Yesterday’s first-year biology practical involved forcing the laboratory work-horse bacterium Escherichia coli to take up a circular piece of DNA called pGLO. pGLO contains a few genes, but the most interesting of these DNA sequences encodes a protein from a jellyfish. This protein fluoresces green under UV light, and goes by the thoroughly unimaginative name of green fluorescent …

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