Chlamydia trachomatis does not possess TrpL-mediated transcription attenuation of its trp operon. Here, the authors show that an iron-dependent regulator, YtgR, acts as a tryptophan-dependent ...
How do bacteria avoid wasteful production of unnecessary proteins when their genes are always on? The answer lies in regulating the operon. As trp levels increase, trp binds to trpR, causing a ...
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