Figure 1: Overexpression of a 48-nt stem-loop structure in TLC1 interferes with telomeric silencing. Figure 2: Overexpression of the TLC1 48-nt stem-loop mimics a ykuΔ mutation. Figure 3: ...
Negative feedback is a universal control mechanism that lets a system's output throttle its input. If an engine revs up, negative feedback tapers its power source. But if the engine slows down, it ...
Engineered systems are often built of recurring circuit modules that carry out key functions. Transcription networks that regulate the responses of living cells were recently found to obey similar ...
Proceedings of the National Academy of Sciences of the United States of America, Vol. 100, No. 11 (May 27, 2003), pp. 6517-6522 (6 pages) The biological effects of estrogens are mediated by the ...
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