In the evolutionary history of life, the ability of a cell to separate its inner world from the external environment was an ...

When a cell receives a message from outside, it generates a molecule called cyclic AMP (cAMP) to relay this message. To ensure the signal reaches the correct effector without triggering pathways ...

A lipid hidden within cells called phosphatidylserine reveals how the body initiates the removal of threats and cellular debris.

The membrane that encases a biological cell is not simply a barrier; it is chock full of proteins involved in all sorts of critical biological functions. To really understand what membrane proteins ...