The natural RNAi mechanism can be directed by either short interfering RNA (siRNA) or microRNA (miRNA). 1 There are four key steps in the RNAi pathway. When miRNA acts as the guide for RNAi, only a ...
We’re celebrating 180 years of Scientific American. Explore our legacy of discovery and look ahead to the future. In 1957, just four years after Francis Crick and other scientists solved the riddle of ...
Long known as a messenger within cells, RNA is increasingly seen as life’s molecular communication system — even between organisms widely separated by evolution. For a molecule of RNA, the world is a ...
Viruses are entities that have to infect other cells in order to replicate. They may have genomes that are made of DNA or RNA. We are still discovering new types of RNA viruses, as shown in two new ...
The Daily Galaxy on MSN
Scientists discover new forms of life inside human bodies that don’t match anything biology has classified
A newly identified class of RNA molecules has been discovered in bacteria living inside the human body. These circular ...
The Times of Israel on MSN
Israeli scientists say tiny organisms can revamp their own RNA to survive extreme heat
Using a novel method, Weizmann Institute of Science researchers map 16 types of simultaneous changes in dozens of samples; ...
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