Macrophages, the immune system’s front-line scavenger cells, do more than simply digest dead cells. A new study published in ...

Genome instability can cause numerous diseases. Cells have effective DNA repair mechanisms at their disposal. A research team has now gained new insights into the DNA damage response. Whenever cells ...

The Iñupiat people of Alaska have long said that bowhead whales live two human lifetimes. That oral knowledge turned out to be conservative.

Professor Indraneel Mittra and his team show that DNA fragments from dying cells function as agents of horizontal gene transfer in mammalian cells. For decades, scientists have known that bacteria can ...

The left-handed spiral of each Z-DNA strand is highlighted on the left. Binding and bonding of the two zinc finger domains (shown in red) from the CTCF protein to Z-DNA (shown in blue). This protein ...

Aging does not arrive all at once. It builds quietly across years, touching cells long before symptoms appear.

A new study in fruit flies describes how an animal's gut reacts differently to beneficial microbes versus harmful pathogens. A pathway known for repairing damaged genetic material, called the ...