How would you make transcription and translation work when you no longer have a nucleus? Bacteria have an interesting answer. Attenuation, or dampening, of the trp operon is made possible by the fact ...

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 ...

Proceedings of the National Academy of Sciences of the United States of America, Vol. 87, No. 22 (Nov., 1990), pp. 8726-8730 (5 pages) We have cloned and characterized the mtr operon of Bacillus ...

This is a preview. Log in through your library . Abstract The nucleotide sequence of the control region of the leu operon of Salmonella typhimurium was determined. A prominent feature of this region ...