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Probing key DNA contacts in AraR-mediated transcriptional repression of the Bac...
Sá-Nogueira, Isabel de; Franco, Irina Saraiva; Mota, Luís Jaime; Soares, Cláudio ManuelNucleic Acid Research (2007) Vol.37 N. 14 4755-4766 ; In the absence of arabinose, the AraR transcription factor represses the expression of genes involved in the utilization of arabinose, xylose and galactose in Bacillus subtilis. AraR exhibits a chimeric organization: the N-terminal DNA-binding region belongs to the GntR family and the C-terminal effector-binding domain is homologous to the GalR/LacI family....
Functional domains of Bacillus subtilis transcription factor AraR and identific...
Sá-Nogueira, Isabel de; Franco, Irina Saraiva; Mota, Luís Jaime; Soares, Cláudio ManuelJournal of Bacteriology (Apr 2006) 3024-3036 ; The Bacillus subtilis AraR transcription factor represses at least 13 genes required for the extracellular degradation of arabinose-containing polysaccharides, transport of arabinose, arabinose oligomers, xylose, and galactose, intracellular degradation of arabinose oligomers, and further catabolism of this sugar. AraR exhibits a chimeric organization comprising a...
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