Figure 9From: Nitrogen starvation-induced transcriptome alterations and influence of transcription regulator mutants in Mycobacterium smegmatisTest of AmtR binding by gel retardation assays. The indicated amounts of purified AmtR proteins were added to a 32P-labeled msmeg_2184 promoter fragment (437 bp) in the presence of 2ug sperm DNA (non-specific).Back to article page