Circular RNAs were recently shown to be abundant in mice and humans where they influence gene expression.

Chemistry - Biochemistry

5 hours ago not rated yet 0

Many genes are transcribed into messenger RNA (mRNA) molecules that provide instructions for protein synthesis. Other genes encode regulatory RNAs known as 'microRNAs', which can block protein translation ...

Biology - Cell & Microbiology

6 hours ago not rated yet 0

How does the bacterium Shigella—the cause of a deadly diarrheal disease—detect that it's in a human host? Ohio University scientists have found that a biological "RNA thermometer" monitors whether the environment is rig ...

Biology - Cell & Microbiology

21 hours ago not rated yet 1 |

Biologists have known for a long time that some creatures evolve more quickly than others. Exactly why isn't well understood, particularly for plants. But it may be that height plays a role, says Robert Lanfear of Australian ...

Biology - Evolution

May 21, 2013 not rated yet 0 |