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Rhizobium meliloti and Rhizobium leguminosarum dctD gene products bind to tandem sites in an activation sequence located upstream of sigma 54-dependent dctA promoters. |
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| Authors: | H Ledebur B Gu J Sojda rd B T Nixon |
| Affiliation: | Department of Molecular and Cell Biology, Pennsylvania State University, University Park 16802. |
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