The birth of a new protein

A yeast protein that evolved from scratch can fold into a three-dimensional shape—contrary to the general understanding of young proteins—according to new research led by the University of Arizona.

A hair-trigger for cells fighting infection

To fight infections cells in the immune system play a dangerous game with their own genes. Damaging genes allows B cells to make antibodies that are specifically equipped to target to specific causes of illness, but damaging ...

Key factor identified in gene silencing

A fertilized human egg develops into multiple tissues, organs and about 200 distinct cell types. Each cell type has the same genes, but they are expressed differently during development and in mature cells.

Powerful new technique can clone thousands of genes at once

Scientists at Johns Hopkins, Rutgers, the University of Trento in Italy, and Harvard Medical School report they have developed a new molecular technique called LASSO cloning, which can be used to isolate thousands of long ...

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