News tagged with molecular cell biology

Rare form of active 'jumping genes' found in mammals

Much of the DNA that makes up our genomes can be traced back to strange rogue sequences known as transposable elements, or jumping genes, which are largely idle in mammals. But Johns Hopkins researchers report they have identified ...

Jan 03, 2013
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The origins of a genetic switch

Cilia, microscopic whip-like organelles that protrude from the surface of many cell types, are almost ubiquitous. They are present in all eukaryotes—organisms whose cells have a nucleus—and have diversified ...

Jan 02, 2013
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Cell biology: Flushing out fats

The Wip1 protein is important for survival, but mutations that inactivate it carry some surprising features. "A lack of Wip1 results in an excessive immune reaction to infectious organisms, in some cases ...

Dec 19, 2012
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Some cells don't know when to stop

Certain mutated cells keep trying to replicate their DNA—with disastrous results—even after medications rob them of the raw materials to do so, according to new research from USC.

Nov 19, 2012
5 / 5 (5) 0 | with audio podcast