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Control of rpf expression in M. tuberculosis. The figure illustrates how different, sometimes shared, transcriptional regulators contribute to rpf regulation in addition to long 5’ leaders, which in the case of rpfA harbours a riboswitch with a known ligand (c-d-AMP), in rpfB a riboswitch candidate, with unknown ligand and in rpfE, a so far entirely uncharacterised element.
