Use of argA-lac fusions to generate lambda argA-lac bacteriophages and to determine the direction of argA transcription in Escherichia coli.

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RESUMO

Fusions of lac genes to the argA operator were constructed, and lambda phages carrying these fusions were isolated and characterized. With the aid of a lambda phage carrying an argA-lac fusion, the direction of argA transcription on the Escherichia coli chromosome was determined to be clockwise.

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