Published in Genetics and Environmental Business Week, January 15th, 2009
"The repression was not observed in a mutant deficient in the TetR-type transcriptional repressor McbR. Analysis of transcriptional start sites of the methionine biosynthesis genes confirmed that McbR binding motifs exist in the promoter regions of all genes repressed by methionine supplementation," wrote M. Suda and colleagues.
The researchers concluded: "Furthermore, electrophoretic mobility shift assays...
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