Science
Amazing travels of small RNAs – Mirage News
Biologists have known for some time that RNA interference can silence genes in far-off cells. They suspected that a messenger substance “transmits” RNA…
In most organisms, small bits of RNA play a key role in gene regulation by silencing gene expression. They do this by targeting and docking onto complementary sequences of gene transcripts (also RNA molecules), which stops the cell machinery from using them to make proteins. This mechanism is called RNA interference (RNAi), and it is critically important in biology.
Remarkably, the RNAi phenomenon is not necessarily confined to single cells; it can also manifest in other tissues and organs far …
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