Efforts to uncover the mechanism through which microRNAs regulate gene expression have thus far resulted in a number of different, and sometimes conflicting, hypotheses.
 
But according to one researcher, the challenge of pinning down precisely how and to what extent these small RNAs act may be due in part to the type of cellular systems in which the experiments are conducted.
 

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Sequencing could help combat foodborne illnesses, according to a blog post by Food and Drug Administration officials.

Popular Mechanics reports that Caltech researchers have built a prototype nanobot using DNA.

The Sacramento Bee writes that direct-to-consumer genetic testing connected a woman to sperm donor-conceived half siblings.

In PLOS this week: gene expression catalog for sheep, viral diversity among respiratory samples from camels, and more.