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22/11/1969 Isolation of a single gene is announced


Lac operon


Lac Operon

Americans Jon Beckwith and James Shapiro isolated the first gene ever. The gene belonged to the Escherichia coli bacterium. The first gene itself was actually an operon – several genes transcripted from DNA into one piece of RNA. This concrete operon is called lac operon. E. coli use it to digest sugars in milk.
    • Essentials 

    • Structure 

    • Regulation 

    • Development of the classic model 

    • Use in molecular biology