Abstract
Studies of the trp mRNA made by Salmonella typhimurium strains carrying trpOA and trpOAB multisite mutations have shown that these are deletions. They do not extend into the trp promoter (trpP1) as shown by their ability to recombine with trpP4 mutation. Thus the trp operator (trpO) and the trp promoter are seperable and arranged in the order P1-O-A.
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Aono, H., Angelosanto, F. & Balbinder, E. Operator and promoter are separate in the tryptophan operon in Salmonella typhimurium. Nature 251, 119–123 (1974). https://doi.org/10.1038/251119a0
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DOI: https://doi.org/10.1038/251119a0
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