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The central domain of Rhizobium leguminosarum DctD functions independently to activate transcription.

By E Huala, J Stigter and F M Ausubel


Sigma 54-dependent transcriptional activators such as Escherichia coli NtrC, Rhizobium meliloti NifA, and Rhizobium leguminosarum DctD share similar central and carboxy-terminal domains but differ in the structure and function of their amino-terminal domains. We have deleted the amino-terminal and carboxy-terminal domains of R. leguminosarum DctD and have demonstrated that the central domain of DctD, like that of NifA, is transcriptionally competent

Topics: Research Article
Year: 1992
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Provided by: PubMed Central
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