Abstract
A chimeric promoter with the nitrogen assimilation control protein binding site from hutUp of Klebsiella aerogenes fused to the lacZ core promoter from Escherichia coli was built and cloned in a lacZ reporter plasmid. This construct showed a 14-fold increase of beta-galactosidase activity upon nitrogen limitation. Primer extension experiments showed that the nitrogen assimilation control protein activates lacZp1 in a position-dependent manner.
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