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FEMS Microbiol Lett. 1998 Dec 1;169(1):165-70.

The leader sequence of the Escherichia coli lysC gene is involved in the regulation of LysC synthesis.

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Laboratoire de Chimie Bactérienne, C.N.R.S. 31, Marseille, France.


In Escherichia coli and Bacillus subtilis, long leader sequences are found upstream of the lysC coding sequences which encode lysine-sensitive aspartokinase. Highly conserved regions exist between these sequences. Mutations leading to constitutive expression of the E. coli lysC gene have been localised within these conserved regions, indicating that they participate in the lysine-mediated repression mechanism of lysC expression.

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